Qing-Hua Xu, Ph.D. - Publications

Affiliations: 
National University of Singapore, Singapore, Singapore 
Area:
Ultrafast Spectroscopy

131 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2021 Garai M, Zhu Z, Shi J, Li S, Xu QH. Single-particle studies on plasmon enhanced photoluminescence of monolayer MoS by gold nanoparticles of different shapes. The Journal of Chemical Physics. 155: 234201. PMID 34937371 DOI: 10.1063/5.0073754  0.747
2020 Yan ZY, Poh ET, Zhang Z, Chua ST, Wang X, Wu X, Chen ZH, Yang J, Xu QH, Goh KEJ, Zhao R, Sow CH. Band Nesting Bypass in WS2 Monolayers via Förster Resonance Energy Transfer. Acs Nano. PMID 32356968 DOI: 10.1021/Acsnano.0C01407  0.348
2020 Zhang DF, Li S, Xu QH, Cao Y. Aggregation Induced Plasmon Coupling Enhanced One- and Two-photon Excitation Fluorescence by Silver Nanoparticles. Langmuir : the Acs Journal of Surfaces and Colloids. PMID 32283939 DOI: 10.1021/Acs.Langmuir.0C00712  0.378
2020 Lu J, Yao C, Xu CQ, Park IH, Zhao M, Zhu Z, Li J, Hai X, Fang H, Zhang Y, Macam G, Teng J, Li L, Xu QH, Chuang FC, et al. Giant emission enhancement of solid-state gold nanoclusters via surface engineering. Angewandte Chemie (International Ed. in English). PMID 32003098 DOI: 10.1002/Anie.202001034  0.31
2020 Wan H, Zhou S, Gu P, Zhou F, Lyu D, Xu Q, Wang A, Shi H, Xu Q, Lu J. AIE-active polysulfates via a sulfur(VI) fluoride exchange (SuFEx) click reaction and investigation of their two-photon fluorescence and cyanide detection in water and in living cells Polymer Chemistry. 11: 1033-1042. DOI: 10.1039/C9Py01448A  0.313
2019 Liu X, Liang L, Yan W, Qin X, Peng X, Han F, Wang Y, Zhu Z, Liu L, Han Y, Xu Q, Qu J. Architecting Sub-2 nm Organosilica Nanohybrids for Far-field Super-resolution Imaging. Angewandte Chemie (International Ed. in English). PMID 31664779 DOI: 10.1002/Anie.201912404  0.339
2019 Li S, Shen X, Xu QH, Cao Y. Gold nanorod enhanced conjugated polymer/photosensitizer composite nanoparticles for simultaneous two-photon excitation fluorescence imaging and photodynamic therapy. Nanoscale. PMID 31578535 DOI: 10.1039/C9Nr05488J  0.399
2019 Vittal JJ, Chen ZJ, Gallo G, Sawant VA, Zhang TJ, Zhu MJ, Liang LJ, Chanthapally AJ, Bolla GJ, Quah HS, Liu XJ, Loh KP, Dinnebier RE, Xu QJ. Giant Enhancement of Second Harmonic Generation Accompanied by the Structural Transformation of 7-fold to 8-fold Interpenetrated MOF. Angewandte Chemie (International Ed. in English). PMID 31573739 DOI: 10.1002/Ange.201911632  0.306
2019 Zhang Q, Ji Y, Chen Z, Vella D, Wang X, Xu QH, Li Y, Eda G. Controlled Aqueous Synthesis of 2D Hybrid Perovskites with Bright Room Temperature Long-Lived Luminescence. The Journal of Physical Chemistry Letters. PMID 31088074 DOI: 10.1021/Acs.Jpclett.9B00934  0.315
2019 Zhang T, Chen Z, Shi Y, Xu QH. The photoluminescence mechanism of CsPbBr microplates revealed by spatially resolved single particle spectroscopy. Nanoscale. PMID 30723854 DOI: 10.1039/C8Nr10110H  0.308
2019 Wu X, Jiang XF, Hu X, Zhang DF, Li S, Yao X, Liu W, Yip HL, Tang Z, Xu QH. Highly stable enhanced near-infrared amplified spontaneous emission in solution-processed perovskite films by employing polymer and gold nanorods. Nanoscale. PMID 30644957 DOI: 10.1039/C8Nr08952C  0.345
2019 Zhao T, Li L, Li S, Jiang X, Jiang C, Zhou N, Gao N, Xu Q. Gold nanorod-enhanced two-photon excitation fluorescence of conjugated oligomers for two-photon imaging guided photodynamic therapy Journal of Materials Chemistry C. 7: 14693-14700. DOI: 10.1039/C9Tc04429A  0.404
2019 He J, Li S, Lyu D, Zhang D, Wu X, Xu Q. Aggregation induced emission enhancement by plasmon coupling of noble metal nanoparticles Materials Chemistry Frontiers. 3: 2421-2427. DOI: 10.1039/C9Qm00455F  0.392
2019 Wan D, Yan B, Chen J, Wu S, Hong J, Song D, Zhao X, Chi X, Zeng S, Huang Z, Li C, Han K, Zhou W, Cao Y, Rusydi A, ... ... Xu Q, et al. New Family of Plasmonic Photocatalysts without Noble Metals Chemistry of Materials. 31: 2320-2327. DOI: 10.1021/Acs.Chemmater.8B04185  0.306
2018 Zhou Y, Ma C, Gao N, Wang Q, Lo PC, Wong KS, Xu QH, Kinoshita T, Ng DKP. Pyrrolopyrrole aza boron dipyrromethene based two-photon fluorescent probes for subcellular imaging. Journal of Materials Chemistry. B. 6: 5570-5581. PMID 32254967 DOI: 10.1039/C8Tb01832D  0.339
2018 Guan Z, Zhang T, Hai Z, Lyu D, Sarangapani S, Xu QH, Lang MJ. Simultaneous Imaging and Selective Photothermal Therapy through Aptamer Driven Au Nanosphere Clustering. The Journal of Physical Chemistry Letters. PMID 30586995 DOI: 10.1021/Acs.Jpclett.8B03284  0.591
2018 Duan X, Jiang XF, Hu D, Liu P, Li S, Huang F, Ma Y, Xu QH, Cao Y. Red emitting conjugated polymer based nanophotosensitizers for selectively targeted two-photon excitation imaging guided photodynamic therapy. Nanoscale. PMID 30525149 DOI: 10.1039/C8Nr06957C  0.367
2018 Li X, Gao Q, Wang J, Chen Y, Chen ZH, Xu HS, Tang W, Leng K, Ning GH, Wu J, Xu QH, Quek SY, Lu Y, Loh KP. Tuneable near white-emissive two-dimensional covalent organic frameworks. Nature Communications. 9: 2335. PMID 29899332 DOI: 10.1038/S41467-018-04769-6  0.302
2018 Tan CF, Su Su Zin AK, Chen Z, Liow CH, Phan HT, Tan HR, Xu QH, Ho GW. Inverse Stellation of CuAu-ZnO Multimetallic-Semiconductor Nanostartube for Plasmon-Enhanced Photocatalysis. Acs Nano. PMID 29697959 DOI: 10.1021/Acsnano.8B00770  0.347
2018 Yu K, Yang Y, Wang J, Tang X, Xu QH, Wang G. Ultrafast Carrier Dynamics and Third-Order Nonlinear Optical Properties of AgInS2/ZnS Nanocrystals. Nanotechnology. PMID 29595519 DOI: 10.1088/1361-6528/Aabab7  0.349
2018 Wang Z, Dong Z, Zhu H, Jin L, Chiu MH, Li LJ, Xu QH, Eda G, Maier SA, Wee ATS, Qiu CW, Yang JKW. Selectively Plasmon-Enhanced Second-Harmonic Generation from Monolayer Tungsten Diselenide on Flexible Substrates. Acs Nano. PMID 29301073 DOI: 10.1021/Acsnano.7B08682  0.357
2018 Lu P, Li R, Yao N, Dai X, Ye Z, Zheng K, Kong W, Fang W, Li S, Xu Q, Wu H. Enhancement of Two-Photon Fluorescence and Low Threshold Amplification of Spontaneous Emission of Zn-processed CuInS2 Quantum Dots Acs Photonics. DOI: 10.1021/Acsphotonics.7B01255  0.315
2018 Garai M, Gao N, Xu Q. Single-Particle Spectroscopic Studies on Two-Photon Photoluminescence of Coupled Au Nanorod Dimers Journal of Physical Chemistry C. 122: 23102-23110. DOI: 10.1021/Acs.Jpcc.8B07094  0.365
2018 Zhou N, Zhu H, Li S, Yang J, Zhao T, Li Y, Xu Q. Au Nanorod/ZnO Core–Shell Nanoparticles as Nano-Photosensitizers for Near-Infrared Light-Induced Singlet Oxygen Generation Journal of Physical Chemistry C. 122: 7824-7830. DOI: 10.1021/Acs.Jpcc.7B12463  0.325
2018 Li S, Jiang X, Xu Q. Polyfluorene based conjugated polymer nanoparticles for two-photon live cell imaging Science China-Chemistry. 61: 88-96. DOI: 10.1007/S11426-017-9048-X  0.366
2017 Dong J, Zhang K, Li X, Qian Y, Zhu H, Yuan D, Xu QH, Jiang J, Zhao D. Ultrathin two-dimensional porous organic nanosheets with molecular rotors for chemical sensing. Nature Communications. 8: 1142. PMID 29070835 DOI: 10.1038/S41467-017-01293-X  0.314
2017 Jiang XF, Zeng Z, Li S, Guo Z, Zhang H, Huang F, Xu QH. Tunable Broadband Nonlinear Optical Properties of Black Phosphorus Quantum Dots for Femtosecond Laser Pulses. Materials (Basel, Switzerland). 10. PMID 28772566 DOI: 10.3390/Ma10020210  0.338
2017 Xu Y, Jiang X, Ge Y, Guo Z, Zeng Z, Xu Q, Zhang H, Yu X, Fan D. Size-dependent nonlinear optical properties of black phosphorus nanosheets and their applications in ultrafast photonics Journal of Materials Chemistry C. 5: 3007-3013. DOI: 10.1039/C7Tc00071E  0.302
2017 Zhou X, Liu L, Wu X, Yang Y, Jiang X, Chen X, Xu Q, Xie Z, Ma Y. An Au NP doped buffer layer in a slab waveguide for enhancement of organic amplified spontaneous emission Journal of Materials Chemistry C. 5: 1356-1362. DOI: 10.1039/C6Tc04893E  0.357
2017 Zhu H, Garai M, Chen Z, Xu Q. Two-Photon Excitation of Gold Nanorods Interrupted by Extremely Fast Solvent-to-Metal Electron Transfer Journal of Physical Chemistry C. 121: 28546-28555. DOI: 10.1021/Acs.Jpcc.7B10235  0.348
2017 Vickers ET, Garai M, Bonabi Naghadeh S, Lindley S, Hibbs J, Xu Q, Zhang JZ. Two-Photon Photoluminescence and Photothermal Properties of Hollow Gold Nanospheres for Efficient Theranostic Applications The Journal of Physical Chemistry C. 122: 13304-13313. DOI: 10.1021/Acs.Jpcc.7B09055  0.359
2017 Han F, Mao X, Xu Q. Flower-like Au/Ag/TiO2 nanocomposites with enhanced photocatalytic efficiency under visible light irradiation Science China Chemistry. 60: 521-527. DOI: 10.1007/S11426-016-9027-6  0.319
2016 Jiao L, Liu M, Garai M, Gao N, Yang J, Xu QH, Hong M. Simulation of fluorescence enhancement by an AFM tip on a gold particle quenched emitter. Applied Optics. 55: 8722-8726. PMID 27828266 DOI: 10.1364/Ao.55.008722  0.758
2016 Yuan P, Ding X, Gao N, Zhu H, Yi YY, Xu QH. Au-Ag Core-shell Nanoparticles for Simultaneous Bacterial Imaging and Synergistic Antibacterial Activity. Nanomedicine : Nanotechnology, Biology, and Medicine. PMID 27697618 DOI: 10.1016/J.Nano.2016.09.003  0.337
2016 Luo W, Wu M, Li S, Xu Y, Ye Z, Wei L, Chen B, Xu QH, Xiao L. Nanoprecipitation of Fluorescent Conjugated Polymer onto the Surface of Plasmonic Nanoparticle for Fluorescence/Dark-field Dual-modality Single Particle Imaging. Analytical Chemistry. PMID 27292151 DOI: 10.1021/Acs.Analchem.6B01350  0.358
2016 Li S, Zhang T, Zhu Z, Gao N, Xu Q. Lighting up the gold nanoparticles quenched fluorescence by silver nanoparticles: a separation distance study Rsc Advances. 6: 58566-58572. DOI: 10.1039/C6Ra11265J  0.371
2016 Fang J, Li J, Tian C, Gao Q, Wang X, Gao N, Wen X, Ma C, You H, Yang Z, Xu Q, Xiong Q, Li Z. Gold nanorings synthesized via a stress-driven collapse and etching mechanism Npg Asia Materials. 8: e323-e323. DOI: 10.1038/Am.2016.163  0.317
2016 Garai M, Zhang T, Gao N, Zhu H, Xu Q. Single Particle Studies on Two-Photon Photoluminescence of Gold Nanorod–Nanosphere Heterodimers Journal of Physical Chemistry C. 120: 11621-11630. DOI: 10.1021/Acs.Jpcc.6B02941  0.397
2015 Ablikim M, Achasov MN, Ai XC, Albayrak O, Albrecht M, Ambrose DJ, Amoroso A, An FF, An Q, Bai JZ, Ferroli RB, Ban Y, Bennett DW, Bennett JV, Bertani M, ... Xu QJ, et al. Observation of a Neutral Structure near the DD[over ¯]^{*} Mass Threshold in e^{+}e^{-}→(DD[over ¯]^{*})^{0}π^{0} at sqrt[s]=4.226 and 4.257 GeV. Physical Review Letters. 115: 222002. PMID 26650295 DOI: 10.1103/Physrevlett.115.222002  0.578
2015 Ablikim M, Achasov MN, Ai XC, Albayrak O, Albrecht M, Ambrose DJ, Amoroso A, An FF, An Q, Bai JZ, Baldini Ferroli R, Ban Y, Bennett DW, Bennett JV, Bertani M, ... Xu QJ, ... Xu QN, et al. Measurement of the Absolute Branching Fraction for Λ_{c}^{+}→Λe^{+}ν_{e}. Physical Review Letters. 115: 221805. PMID 26650293 DOI: 10.1103/Physrevlett.115.221805  0.578
2015 Xue Y, Zhang Y, Liu Y, Liu H, Song J, Sophia J, Liu J, Xu ZQ, Xu Q, Wang Z, Zheng J, Liu Y, Li S, Bao Q. Scalable Production of Few-Layer MoS2/WS2 Vertical Heterojunction Array and Its Application for Photodetectors. Acs Nano. PMID 26647019 DOI: 10.1021/Acsnano.5B05596  0.432
2015 Ablikim M, Achasov MN, Ai XC, Albayrak O, Albrecht M, Ambrose DJ, Amoroso A, An FF, An Q, Bai JZ, Ferroli RB, Ban Y, Bennett DW, Bennett JV, Bertani M, ... ... Xu QJ, ... ... Xu QN, et al. Observation of a Neutral Charmoniumlike State Z_{c}(4025)^{0} in e^{+}e^{-}→(D^{*}D[over ¯]^{*})^{0}π^{0}. Physical Review Letters. 115: 182002. PMID 26565461 DOI: 10.1103/Physrevlett.115.182002  0.581
2015 Li M, Zhi M, Zhu H, Wu WY, Xu QH, Jhon MH, Chan Y. Ultralow-threshold multiphoton-pumped lasing from colloidal nanoplatelets in solution. Nature Communications. 6: 8513. PMID 26419950 DOI: 10.1038/Ncomms9513  0.337
2015 Ablikim M, Achasov MN, Ai XC, Albayrak O, Albrecht M, Ambrose DJ, Amoroso A, An FF, An Q, Bai JZ, Ferroli RB, Ban Y, Bennett DW, Bennett JV, Bertani M, ... ... Xu QJ, ... ... Xu QN, et al. Observation of Z_{c}(3900)^{0} in e^{+}e^{-}→π^{0}π^{0}J/ψ. Physical Review Letters. 115: 112003. PMID 26406823 DOI: 10.1103/Physrevlett.115.112003  0.457
2015 Zhang T, Gao N, Li S, Lang MJ, Xu QH. Single-Particle Spectroscopic Study on Fluorescence Enhancement by Plasmon Coupled Gold Nanorod Dimers Assembled on DNA Origami. The Journal of Physical Chemistry Letters. 6: 2043-9. PMID 26266500 DOI: 10.1021/Acs.Jpclett.5B00747  0.629
2015 Chua MH, Ni Y, Garai M, Zheng B, Huang KW, Xu QH, Xu J, Wu J. Towards meso-Ester BODIPYs with Aggregation-Induced Emission Properties: The Effect of Substitution Positions. Chemistry, An Asian Journal. PMID 26043727 DOI: 10.1002/Asia.201500420  0.722
2015 Yuan P, Ma R, Gao N, Garai M, Xu QH. Plasmon coupling-enhanced two-photon photoluminescence of Au@Ag core-shell nanoparticles and applications in the nuclease assay. Nanoscale. 7: 10233-9. PMID 25990464 DOI: 10.1039/C5Nr01409C  0.755
2015 Zhou N, Ye C, Polavarapu L, Xu QH. Controlled preparation of Au/Ag/SnO2 core-shell nanoparticles using a photochemical method and applications in LSPR based sensing. Nanoscale. 7: 9025-32. PMID 25921493 DOI: 10.1039/C5Nr01579K  0.361
2015 Yuan L, Wang L, Agrawalla BK, Park SJ, Zhu H, Sivaraman B, Peng J, Xu QH, Chang YT. Development of targetable two-photon fluorescent probes to image hypochlorous Acid in mitochondria and lysosome in live cell and inflamed mouse model. Journal of the American Chemical Society. 137: 5930-8. PMID 25905448 DOI: 10.1021/Jacs.5B00042  0.303
2015 Liu P, Li S, Jin Y, Qian L, Gao N, Yao SQ, Huang F, Xu QH, Cao Y. Red-emitting DPSB-based conjugated polymer nanoparticles with high two-photon brightness for cell membrane imaging. Acs Applied Materials & Interfaces. 7: 6754-63. PMID 25764496 DOI: 10.1021/Acsami.5B00223  0.345
2015 Zhou N, Polavarapu L, Wang Q, Xu QH. Mesoporous SnO2-coated metal nanoparticles with enhanced catalytic efficiency. Acs Applied Materials & Interfaces. 7: 4844-50. PMID 25674821 DOI: 10.1021/Am508803C  0.34
2015 Yuan P, Ding X, Guan Z, Gao N, Ma R, Jiang XF, Yang YY, Xu QH. Plasmon-coupled gold nanospheres for two-photon imaging and photoantibacterial activity. Advanced Healthcare Materials. 4: 674-8. PMID 25504821 DOI: 10.1002/Adhm.201400524  0.334
2015 Shen X, Li S, Li L, Yao SQ, Xu QH. Highly efficient, conjugated-polymer-based nano-photosensitizers for selectively targeted two-photon photodynamic therapy and imaging of cancer cells. Chemistry (Weinheim An Der Bergstrasse, Germany). 21: 2214-21. PMID 25469739 DOI: 10.1002/Chem.201404378  0.368
2015 Jiang X, Polavarapu L, Zhu H, Ma R, Xu Q. Flexible, robust and highly efficient broadband nonlinear optical materials based on graphene oxide impregnated polymer sheets Photonics Research. 3: 87. DOI: 10.1364/Prj.3.000A87  0.301
2015 Xu L, Zhu H, Long G, Zhao J, Li D, Ganguly R, Li Y, Xu QH, Zhang Q. 4-Diphenylamino-phenyl substituted pyrazine: Nonlinear optical switching by protonation Journal of Materials Chemistry C. 3: 9191-9196. DOI: 10.1039/C5Tc01657F  0.307
2015 Zhou N, López-Puente V, Wang Q, Polavarapu L, Pastoriza-Santos I, Xu Q. Plasmon-enhanced light harvesting: applications in enhanced photocatalysis, photodynamic therapy and photovoltaics Rsc Advances. 5: 29076-29097. DOI: 10.1039/C5Ra01819F  0.328
2015 Yuan P, Ma R, Xu Q. Highly sensitive and selective two-photon sensing of cartap using Au@Ag core-shell nanoparticles Science China Chemistry. 1-5. DOI: 10.1007/S11426-015-5532-5  0.36
2015 Li Q, Zhuo X, Li S, Ruan Q, Xu QH, Wang J. Production of Monodisperse Gold Nanobipyramids with Number Percentages Approaching 100% and Evaluation of Their Plasmonic Properties Advanced Optical Materials. 3: 801-812. DOI: 10.1002/Adom.201400505  0.373
2014 Gao M, Peh CK, Pan Y, Xu QH, Ho GW. Fine structural tuning of whereabout and clustering of metal-metal oxide heterostructure for optimal photocatalytic enhancement and stability. Nanoscale. 6: 12655-64. PMID 25201290 DOI: 10.1039/C4Nr03373F  0.326
2014 Yuan P, Ma R, Guan Z, Gao N, Xu QH. Tuning two-photon photoluminescence of gold nanoparticle aggregates with DNA and its application as turn-on photoluminescence probe for DNA sequence detection. Acs Applied Materials & Interfaces. 6: 13149-56. PMID 24983536 DOI: 10.1021/Am502988U  0.378
2014 Li S, Shen X, Li L, Yuan P, Guan Z, Yao SQ, Xu QH. Conjugated-polymer-based red-emitting nanoparticles for two-photon excitation cell imaging with high contrast. Langmuir : the Acs Journal of Surfaces and Colloids. 30: 7623-7. PMID 24967827 DOI: 10.1021/La501790Y  0.384
2014 Zhao T, Yu K, Li L, Zhang T, Guan Z, Gao N, Yuan P, Li S, Yao SQ, Xu QH, Xu GQ. Gold nanorod enhanced two-photon excitation fluorescence of photosensitizers for two-photon imaging and photodynamic therapy. Acs Applied Materials & Interfaces. 6: 2700-8. PMID 24483257 DOI: 10.1021/Am405214W  0.392
2014 Yu K, Sader JE, Zijlstra P, Hong M, Xu QH, Orrit M. Probing silver deposition on single gold nanorods by their acoustic vibrations. Nano Letters. 14: 915-22. PMID 24422602 DOI: 10.1021/Nl404304H  0.308
2014 Polavarapu L, Pérez-Juste J, Xu Q, Liz-Marzán LM. Optical sensing of biological, chemical and ionic species through aggregation of plasmonic nanoparticles Journal of Materials Chemistry C. 2: 7460-7476. DOI: 10.1039/C4Tc01142B  0.368
2014 Gao N, Chen Y, Li L, Guan Z, Zhao T, Zhou N, Yuan P, Yao SQ, Xu Q. Shape-Dependent Two-Photon Photoluminescence of Single Gold Nanoparticles The Journal of Physical Chemistry C. 118: 13904-13911. DOI: 10.1021/Jp502038V  0.352
2014 Gu P, Xu X, Zhou F, Zhao T, Ye G, Liu G, Xu Q, Ge J, Xu Q, Lu J. Study of Linear and Nonlinear Optical Properties of Four Derivatives of Substituted Aryl Hydrazones of 1,8-Naphthalimide Chinese Journal of Chemistry. 32: 205-211. DOI: 10.1002/Cjoc.201300842  0.311
2013 Jiang XF, Pan Y, Jiang C, Zhao T, Yuan P, Venkatesan T, Xu QH. Excitation Nature of Two-Photon Photoluminescence of Gold Nanorods and Coupled Gold Nanoparticles Studied by Two-Pulse Emission Modulation Spectroscopy. The Journal of Physical Chemistry Letters. 4: 1634-8. PMID 26282970 DOI: 10.1021/Jz400582H  0.393
2013 Jiang C, Zhao T, Li S, Gao N, Xu QH. Highly sensitive two-photon sensing of thrombin in serum using aptamers and silver nanoparticles. Acs Applied Materials & Interfaces. 5: 10853-7. PMID 24074045 DOI: 10.1021/Am403046P  0.351
2013 Fang C, Lee YH, Shao L, Jiang R, Wang J, Xu QH. Correlating the plasmonic and structural evolutions during the sulfidation of silver nanocubes. Acs Nano. 7: 9354-65. PMID 24032644 DOI: 10.1021/Nn404042P  0.302
2013 Zhao T, Jiang XF, Gao N, Li S, Zhou N, Ma R, Xu QH. Solvent-dependent two-photon photoluminescence and excitation dynamics of gold nanorods. The Journal of Physical Chemistry. B. 117: 15576-83. PMID 23961809 DOI: 10.1021/Jp405929W  0.384
2013 Xie X, Gao N, Deng R, Sun Q, Xu QH, Liu X. Mechanistic investigation of photon upconversion in Nd(3+)-sensitized core-shell nanoparticles. Journal of the American Chemical Society. 135: 12608-11. PMID 23947580 DOI: 10.1021/Ja4075002  0.369
2013 Jiang C, Zhao T, Yuan P, Gao N, Pan Y, Guan Z, Zhou N, Xu QH. Two-photon induced photoluminescence and singlet oxygen generation from aggregated gold nanoparticles. Acs Applied Materials & Interfaces. 5: 4972-7. PMID 23688198 DOI: 10.1021/Am4007403  0.365
2013 Guan Z, Gao N, Jiang XF, Yuan P, Han F, Xu QH. Huge enhancement in two-photon photoluminescence of Au nanoparticle clusters revealed by single-particle spectroscopy. Journal of the American Chemical Society. 135: 7272-7. PMID 23607514 DOI: 10.1021/Ja400364F  0.393
2013 Zhou N, Polavarapu L, Gao N, Pan Y, Yuan P, Wang Q, Xu QH. TiO2 coated Au/Ag nanorods with enhanced photocatalytic activity under visible light irradiation. Nanoscale. 5: 4236-41. PMID 23546548 DOI: 10.1039/C3Nr00517H  0.322
2013 Wu JH, Guan Z, Yang SK, Yuan P, Xu QH, Xu GQ. Capping-agent-free synthesis of substrate-supported porous icosahedral gold nanoparticles. Nanoscale. 5: 2983-9. PMID 23455229 DOI: 10.1039/C3Nr34000G  0.351
2013 Gu P, Lu C, Hu Z, Li N, Zhao T, Xu Q, Xu Q, Zhang J, Lu J. The AIEE effect and two-photon absorption (TPA) enhancement induced by polymerization: synthesis of a monomer with ICT and AIE effects and its homopolymer by ATRP and a study of their photophysical properties Journal of Materials Chemistry C. 1: 2599-2606. DOI: 10.1039/C3Tc00738C  0.325
2013 Jiang C, Zhao T, Yuan P, Gao N, Pan Y, Guan Z, Zhou N, Xu Q. Correction to Two-Photon Induced Photoluminescence and Singlet Oxygen Generation from Aggregated Gold Nanoparticles Acs Applied Materials & Interfaces. 6: 737-737. DOI: 10.1021/Am405165B  0.324
2013 Shen X, Li L, Min Chan AC, Gao N, Yao SQ, Xu Q. Water-Soluble Conjugated Polymers for Simultaneous Two-Photon Cell Imaging and Two-Photon Photodynamic Therapy Advanced Optical Materials. 1: 92-99. DOI: 10.1002/Adom.201200026  0.322
2012 Zhao T, Shen X, Li L, Guan Z, Gao N, Yuan P, Yao SQ, Xu QH, Xu GQ. Gold nanorods as dual photo-sensitizing and imaging agents for two-photon photodynamic therapy. Nanoscale. 4: 7712-9. PMID 23132010 DOI: 10.1039/C2Nr32196C  0.353
2012 Guan Z, Li S, Cheng PBS, Zhou N, Gao N, Xu Q. Band-Selective Coupling-Induced Enhancement of Two-Photon Photoluminescence in Gold Nanocubes and Its Application as Turn-on Fluorescent Probes for Cysteine and Glutathione Acs Applied Materials & Interfaces. 4: 5711-5716. PMID 23033805 DOI: 10.1021/Am301822V  0.35
2012 Han F, Guan Z, Tan TS, Xu Q. Size-dependent two-photon excitation photoluminescence enhancement in coupled noble-metal nanoparticles. Acs Applied Materials & Interfaces. 4: 4746-4751. PMID 22891672 DOI: 10.1021/Am301121K  0.375
2012 Yuan P, Lee YH, Gnanasammandhan MK, Guan Z, Zhang Y, Xu QH. Plasmon enhanced upconversion luminescence of NaYF4:Yb,Er@SiO2@Ag core-shell nanocomposites for cell imaging. Nanoscale. 4: 5132-7. PMID 22790174 DOI: 10.1039/C2Nr31241G  0.358
2012 Li L, Ge J, Wu H, Xu QH, Yao SQ. Organelle-specific detection of phosphatase activities with two-photon fluorogenic probes in cells and tissues. Journal of the American Chemical Society. 134: 12157-67. PMID 22734946 DOI: 10.1021/Ja3036256  0.323
2012 Lee YH, Polavarapu L, Gao N, Yuan P, Xu QH. Enhanced optical properties of graphene oxide-Au nanocrystal composites. Langmuir : the Acs Journal of Surfaces and Colloids. 28: 321-6. PMID 22129069 DOI: 10.1021/La204047A  0.365
2012 Polavarapu L, Mamidala V, Guan Z, Ji W, Xu QH. Huge enhancement of optical nonlinearities in coupled Au and Ag nanoparticles induced by conjugated polymers Applied Physics Letters. 100. DOI: 10.1063/1.3675911  0.357
2012 Jiang XF, Polavarapu L, Neo ST, Venkatesan T, Xu QH. Graphene oxides as tunable broadband nonlinear optical materials for femtosecond laser pulses Journal of Physical Chemistry Letters. 3: 785-790. DOI: 10.1021/Jz300119T  0.311
2012 Ye G, Zhao T, Jin Z, Gu P, Mao J, Xu Q, Xu Q, Lu J, Li N, Song Y. The synthesis and NLO properties of 1,8-naphthalimide derivatives for both femtosecond and nanosecond laser pulses Dyes and Pigments. 94: 271-277. DOI: 10.1016/J.Dyepig.2012.01.001  0.309
2011 Shen X, Li L, Wu H, Yao SQ, Xu QH. Photosensitizer-doped conjugated polymer nanoparticles for simultaneous two-photon imaging and two-photon photodynamic therapy in living cells. Nanoscale. 3: 5140-6. PMID 22038039 DOI: 10.1039/C1Nr11104C  0.376
2011 Jiang C, Guan Z, Lim SY, Polavarapu L, Xu QH. Two-photon ratiometric sensing of Hg2+ by using cysteine functionalized Ag nanoparticles. Nanoscale. 3: 3316-20. PMID 21750812 DOI: 10.1039/C1Nr10396B  0.355
2011 Hu M, Li L, Wu H, Su Y, Yang PY, Uttamchandani M, Xu QH, Yao SQ. Multicolor, one- and two-photon imaging of enzymatic activities in live cells with fluorescently Quenched Activity-Based Probes (qABPs). Journal of the American Chemical Society. 133: 12009-20. PMID 21732629 DOI: 10.1021/Ja200808Y  0.302
2011 Samanta A, Vendrell M, Yun SW, Guan Z, Xu QH, Chang YT. A photostable near-infrared protein labeling dye for in vivo imaging. Chemistry, An Asian Journal. 6: 1353-7. PMID 21509942 DOI: 10.1002/Asia.201100041  0.319
2011 Polavarapu L, Manga KK, Yu K, Ang PK, Cao HD, Balapanuru J, Loh KP, Xu QH. Alkylamine capped metal nanoparticle "inks" for printable SERS substrates, electronics and broadband photodetectors. Nanoscale. 3: 2268-74. PMID 21491022 DOI: 10.1039/C0Nr00972E  0.346
2011 Shen X, He F, Wu J, Xu GQ, Yao SQ, Xu QH. Enhanced two-photon singlet oxygen generation by photosensitizer-doped conjugated polymer nanoparticles. Langmuir : the Acs Journal of Surfaces and Colloids. 27: 1739-44. PMID 21247190 DOI: 10.1021/La104722Q  0.356
2011 Yu K, Polavarapu L, Xu QH. Excitation wavelength and fluence dependent femtosecond transient absorption studies on electron dynamics of gold nanorods. The Journal of Physical Chemistry. A. 115: 3820-6. PMID 21222486 DOI: 10.1021/Jp108176H  0.342
2011 Shao J, Guan Z, Yan Y, Jiao C, Xu QH, Chi C. Synthesis and characterizations of star-shaped octupolar triazatruxenes-based two-photon absorption chromophores. The Journal of Organic Chemistry. 76: 780-90. PMID 21210649 DOI: 10.1021/Jo1017926  0.344
2011 Polavarapu L, Manna M, Xu QH. Biocompatible glutathione capped gold clusters as one- and two-photon excitation fluorescence contrast agents for live cells imaging. Nanoscale. 3: 429-34. PMID 20944843 DOI: 10.1039/C0Nr00458H  0.337
2011 Tang X, Yu K, Xu Q, Choo ESG, Goh GKL, Xue J. Synthesis and characterization of AgInS2–ZnS heterodimers with tunable photoluminescence Journal of Materials Chemistry. 21: 11239-11243. DOI: 10.1039/C1Jm11346A  0.376
2011 He F, Ren X, Shen X, Xu Q. Water-Soluble Conjugated Polymers for Amplification of One- and Two-photon Properties of Photosensitizers Macromolecules. 44: 5369-5376. DOI: 10.1021/Ma2008805  0.335
2011 Lee YH, Chen H, Xu Q, Wang J. Refractive Index Sensitivities of Noble Metal Nanocrystals: The Effects of Multipolar Plasmon Resonances and the Metal Type Journal of Physical Chemistry C. 115: 7997-8004. DOI: 10.1021/Jp202574R  0.31
2011 Yu K, You G, Polavarapu L, Xu Q. Bimetallic Au/Ag Core–Shell Nanorods Studied by Ultrafast Transient Absorption Spectroscopy under Selective Excitation Journal of Physical Chemistry C. 115: 14000-14005. DOI: 10.1021/Jp201648V  0.353
2010 Mamidala V, Polavarapu L, Balapanuru J, Loh KP, Xu QH, Ji W. Enhanced nonlinear optical responses in donor-acceptor ionic complexes via photo induced energy transfer. Optics Express. 18: 25928-35. PMID 21164939 DOI: 10.1364/Oe.18.025928  0.345
2010 Guan Z, Polavarapu L, Xu QH. Enhanced two-photon emission in coupled metal nanoparticles induced by conjugated polymers. Langmuir : the Acs Journal of Surfaces and Colloids. 26: 18020-3. PMID 21028762 DOI: 10.1021/La103668K  0.385
2010 Jiao C, Huang KW, Guan Z, Xu QH, Wu J. N-annulated perylene fused porphyrins with enhanced near-IR absorption and emission. Organic Letters. 12: 4046-9. PMID 20734983 DOI: 10.1021/Ol1016383  0.308
2010 Zhao T, Wu H, Yao SQ, Xu QH, Xu GQ. Nanocomposites containing gold nanorods and porphyrin-doped mesoporous silica with dual capability of two-photon imaging and photosensitization. Langmuir : the Acs Journal of Surfaces and Colloids. 26: 14937-42. PMID 20726559 DOI: 10.1021/La102556U  0.353
2010 LEE YH, LAKSHMINARAYANA P, JIANG C, YUAN P, XU Q. RECENT ADVANCES IN METAL-ENHANCED OPTICAL PROPERTIES Cosmos. 6: 167-195. DOI: 10.1142/S0219607710000619  0.331
2009 Wu C, Xu Q. Enhanced One- and Two-Photon Excitation Emission of a Porphyrin Photosensitizer by FRET from a Conjugated Polyelectrolyte. Macromolecular Rapid Communications. 30: 504-508. PMID 21706632 DOI: 10.1002/Marc.200800655  0.346
2009 Polavarapu L, Venkatram N, Ji W, Xu QH. Optical-limiting properties of oleylamine-capped gold nanoparticles for both femtosecond and nanosecond laser pulses. Acs Applied Materials & Interfaces. 1: 2298-303. PMID 20355865 DOI: 10.1021/Am900442U  0.312
2009 Zhang R, Wu C, Tong L, Tang B, Xu Q. Multifunctional core-shell nanoparticles as highly efficient imaging and photosensitizing agents. Langmuir. 25: 10153-10158. PMID 19637879 DOI: 10.1021/La902235D  0.353
2009 Polavarapu L, Xu Q. A simple method for large scale synthesis of highly monodisperse gold nanoparticles at room temperature and their electron relaxation properties Nanotechnology. 20: 185606-185606. PMID 19420622 DOI: 10.1088/0957-4484/20/18/185606  0.329
2009 Wu C, Xu Q. Stable and functionable mesoporous silica-coated gold nanorods as sensitive localized surface plasmon resonance (LSPR) nanosensors. Langmuir. 25: 9441-9446. PMID 19382787 DOI: 10.1021/La900646N  0.33
2009 Zhang X, Ren X, Xu QH, Loh KP, Chen ZK. One- and two-photon turn-on fluorescent probe for cysteine and homocysteine with large emission shift. Organic Letters. 11: 1257-60. PMID 19236043 DOI: 10.1021/Ol802979N  0.344
2009 Lee YH, Yan Y, Polavarapu L, Xu Q. Nonlinear optical switching behavior of Au nanocubes and nano-octahedra investigated by femtosecond Z-scan measurements Applied Physics Letters. 95: 23105. DOI: 10.1063/1.3177064  0.359
2008 Polavarapu L, Xu Q. A single-step synthesis of gold nanochains using an amino acid as a capping agent and characterization of their optical properties. Nanotechnology. 19: 75601. PMID 21817638 DOI: 10.1088/0957-4484/19/7/075601  0.334
2008 Polavarapu L, Xu Q. Water-Soluble Conjugated Polymer-Induced Self-Assembly of Gold Nanoparticles and Its Application to SERS Langmuir. 24: 10608-10611. PMID 18729527 DOI: 10.1021/La802319C  0.338
2008 Polavarapu L, Xu Q, Dhoni MS, Ji W. Optical limiting properties of silver nanoprisms Applied Physics Letters. 92: 263110. DOI: 10.1063/1.2955530  0.308
2007 Cheng D, Xu QH. Separation distance dependent fluorescence enhancement of fluorescein isothiocyanate by silver nanoparticles. Chemical Communications (Cambridge, England). 248-50. PMID 17299628 DOI: 10.1039/B612401A  0.365
2007 Tian N, Tang Y, Xu Q, Wang S. Single base pair mismatch detection using cationic conjugated polymers through fluorescence resonance energy transfer Macromolecular Rapid Communications. 28: 729-732. DOI: 10.1002/Marc.200600855  0.319
2007 Tian N, Xu QH. Enhanced two-photon excitation fluorescence by fluorescence resonance energy transfer using conjugated polymers Advanced Materials. 19: 1988-1991. DOI: 10.1002/Adma.200700654  0.357
2005 Xu QH, Wang S, Korystov D, Mikhailovsky A, Bazan GC, Moses D, Heeger AJ. The fluorescence resonance energy transfer (FRET) gate: a time-resolved study. Proceedings of the National Academy of Sciences of the United States of America. 102: 530-5. PMID 15642946 DOI: 10.1073/Pnas.0408568102  0.302
2004 Xu Q, Moses D, Heeger AJ. Delayed emission from recombination of charge-separated pairs on polyfluorene chains in dilute solution Physical Review B. 69. DOI: 10.1103/Physrevb.69.113314  0.32
2003 Xu Q, Moses D, Heeger AJ. Direct observation of a time-delayed intermediate state generated via exciton-exciton annihilation in polyfluorene Physical Review B. 68. DOI: 10.1103/Physrevb.68.174303  0.328
2003 Xu Q, Moses D, Heeger AJ. Time-resolved measurements of photoinduced electron transfer from polyfluorene toC60 Physical Review B. 67. DOI: 10.1103/Physrevb.67.245417  0.311
2002 Merchant KA, Thompson DE, Xu QH, Williams RB, Loring RF, Fayer MD. Myoglobin-CO conformational substate dynamics: 2D vibrational echoes and MD simulations. Biophysical Journal. 82: 3277-88. PMID 12023251 DOI: 10.1016/S0006-3495(02)75669-5  0.75
2002 Xu QH, Fayer MD. Temperature-dependent vibrational dephasing: Comparison of liquid and glassy solvents using frequency-selected vibrational echoes Journal of Chemical Physics. 117: 2732. DOI: 10.1063/1.1492280  0.459
2002 Xu QH, Ma YZ, Stiopkin IV, Fleming GR. Wavelength-dependent resonant homodyne and heterodyne transient grating spectroscopy with a diffractive optics method: Solvent effect on the third-order signal Journal of Chemical Physics. 116: 9333-9340. DOI: 10.1063/1.1473653  0.693
2002 Merchant KA, Xu QH, Thompson DE, Fayer MD. Frequency selected ultrafast infrared vibrational echo studies of liquids, glasses, and proteins Journal of Physical Chemistry A. 106: 8839-8849. DOI: 10.1021/Jp021145Q  0.711
2002 Xu QH, Ma YZ, Fleming GR. Different real and imaginary components of the resonant third-order polarization revealed by optical heterodyne detected transient grating spectroscopic studies of crystal violet: Model and experiment Journal of Physical Chemistry A. 106: 10755-10763. DOI: 10.1021/Jp014714N  0.693
2002 Xu QH, Thompson DE, Merchant KA, Fayer MD. Separation of contributions to the third-order signal: Ultrafast frequency-selected vibrational echo experiments on a metalloporphyrin-CO Chemical Physics Letters. 355: 139-146. DOI: 10.1016/S0009-2614(02)00197-5  0.71
2001 Larsen DS, Ohta K, Xu QH, Cyrier M, Fleming GR. Influence of intramolecular vibrations in third-order, time-domain resonant spectroscopies. I. Experiments Journal of Chemical Physics. 114: 8008-8019. DOI: 10.1063/1.1359240  0.641
2001 Xu Q, Ma Y, Fleming GR. Heterodyne detected transient grating spectroscopy in resonant and non-resonant systems using a simplified diffractive optics method Chemical Physics Letters. 338: 254-262. DOI: 10.1016/S0009-2614(01)00281-0  0.68
1999 Xu Q, Scholes GD, Yang M, Fleming GR. Probing Solvation and Reaction Coordinates of Ultrafast Photoinduced Electron-Transfer Reactions Using Nonlinear Spectroscopies:  Rhodamine 6G in Electron-Donating Solvents† The Journal of Physical Chemistry A. 103: 10348-10358. DOI: 10.1021/Jp991852S  0.577
Show low-probability matches.