Kenneth G. Spears - Publications

Affiliations: 
Chemistry Northwestern University, Evanston, IL 
Area:
Use of picosecond and femtosecond visible, ultraviolet, and infrared laser methods to understand specific chemical phenomena involving electron transfer and reaction dynamics in liquids and solids

97 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
2020 Salerno EV, Miller NA, Konar A, Salchner R, Kieninger C, Wurst K, Spears KG, Kräutler B, Sension RJ. Exceptional Photochemical Stability of the Co-C Bond of Alkynyl Cobalamins, Potential Antivitamins B and Core Elements of B-Based Biological Vectors. Inorganic Chemistry. PMID 32311266 DOI: 10.1021/acs.inorgchem.0c00453  0.52
2018 Wiley TE, Konar A, Miller NA, Spears KG, Sension RJ. Primed for Efficient Motion: Ultrafast Excited State Dynamics and Optical Manipulation of a Four Stage Rotary Molecular Motor. The Journal of Physical Chemistry. A. PMID 30230333 DOI: 10.1021/acs.jpca.8b06472  0.52
2017 Miller NA, Deb A, Alonso-Mori R, Garabato BD, Glownia JM, Kiefer LM, Koralek J, Sikorski M, Spears KG, Wiley TE, Zhu D, Kozlowski PM, Kubarych KJ, Penner-Hahn JE, Sension RJ. Polarized XANES Monitors Femtosecond Structural Evolution of Photoexcited Vitamin B12. Journal of the American Chemical Society. PMID 28135083 DOI: 10.1021/jacs.6b11295  0.52
2016 Miller NA, Wiley TE, Spears KG, Ruetz M, Kieninger C, Kräutler B, Sension RJ. Toward the Design of Photoresponsive Conditional Antivitamins B12: A Transient Absorption Study of an Arylcobalamin and an Alkynylcobalamin. Journal of the American Chemical Society. PMID 27797190 DOI: 10.1021/jacs.6b05299  0.52
2016 Smith BD, Spears KG, Sension RJ. Probing the Biexponential Dynamics of Ring-Opening in 7-Dehydrocholesterol. The Journal of Physical Chemistry. A. PMID 27529502 DOI: 10.1021/acs.jpca.6b06967  1
2013 Anderson CP, Spears KG, Wilson KR, Sension RJ. Solvent dependent branching between C-I and C-Br bond cleavage following 266 nm excitation of CH2BrI. The Journal of Chemical Physics. 139: 194307. PMID 24320326 DOI: 10.1063/1.4829899  1
2013 Arruda BC, Smith B, Spears KG, Sension RJ. Ultrafast ring-opening reactions: a comparison of alpha-terpinene, alpha-phellandrene, and 7-dehydrocholesterol with 1,3-cyclohexadiene. Faraday Discussions. 163: 159-71; discussion 2. PMID 24020201 DOI: 10.1039/c3fd20149j  1
2013 Arruda BC, Peng J, Smith B, Spears KG, Sension RJ. Photochemical ring-opening and ground state relaxation in α-terpinene with comparison to provitamin D3. The Journal of Physical Chemistry. B. 117: 4696-704. PMID 23387423 DOI: 10.1021/jp308391u  1
2012 White JL, Carroll EC, Spears KG, Sension RJ. Extracting information from adaptive control experiments Israel Journal of Chemistry. 52: 397-406. DOI: 10.1002/ijch.201100106  1
2011 Tang KC, Rury A, Orozco MB, Egendorf J, Spears KG, Sension RJ. Ultrafast electrocyclic ring opening of 7-dehydrocholesterol in solution: the influence of solvent on excited state dynamics. The Journal of Chemical Physics. 134: 104503. PMID 21405171 DOI: 10.1063/1.3557054  1
2010 Tang KC, Peng J, Spears KG, Sension RJ. Communications: Photoinitiated bond dissociation of bromoiodomethane in solution: Comparison of one-photon and two-photon excitations and the formation of iso-CH(2)Br-I and iso-CH(2)I-Br. The Journal of Chemical Physics. 132: 141102. PMID 20405978 DOI: 10.1063/1.3374680  1
2010 Tang KC, Spears KG, Sension RJ. The influence of solvent and chirp on the excited state dynamics of 7-dehydrocholesterol in solution Optics Infobase Conference Papers 1
2009 Tang KC, Spears KG, Sension RJ. Excited state spectroscopy, coherence, and control in the isomerization of polyenes in solution Optics Infobase Conference Papers 1
2008 Sung J, Kosuda KM, Zhao J, Elam JW, Spears KG, Van Duyne RP. Stability of silver nanoparticles fabricated by nanosphere lithography and atomic layer deposition to femtosecond laser excitation Journal of Physical Chemistry C. 112: 5707-5714. DOI: 10.1021/jp0774140  1
2008 Sung J, Sukharev M, Hicks EM, Van Duyne RP, Seideman T, Spears KG. Nanoparticle spectroscopy: Birefringence in two-dimensional arrays of L-shaped silver nanoparticles Journal of Physical Chemistry C. 112: 3252-3260. DOI: 10.1021/jp077389y  1
2008 Sung J, Hicks EM, Van Duyne RP, Spears K. Nanoparticle spectroscopy: Plasmon coupling in finite-sized two-dimensional arrays of cylindrical silver nanoparticles Journal of Physical Chemistry C. 112: 4091-4096. DOI: 10.1021/jp077332b  1
2008 Carroll EC, Florean AC, Bucksbaum PH, Spears KG, Sension RJ. Phase control of the competition between electronic transitions in a solvated laser dye Chemical Physics. 350: 75-86. DOI: 10.1016/j.chemphys.2008.01.023  1
2007 Sukharev M, Sung J, Spears KG, Seideman T. Optical properties of metal nanoparticles with no center of inversion symmetry: Observation of volume plasmons Physical Review B - Condensed Matter and Materials Physics. 76. DOI: 10.1103/PhysRevB.76.184302  1
2007 Sung J, Hicks EM, Van Duyne RP, Spears KG. Nanoparticle spectroscopy: Dipole coupling in two-dimensional arrays of L-shaped silver nanoparticles Journal of Physical Chemistry C. 111: 10368-10376. DOI: 10.1021/jp0721853  1
2006 Ponnu A, Sung J, Spears KG. Ultrafast electron-transfer and solvent adiabaticity effects in viologen charge-transfer complexes. The Journal of Physical Chemistry. A. 110: 12372-84. PMID 17091938 DOI: 10.1021/jp0617322  1
2006 Florean AC, Carroll EC, Spears KG, Sension RJ, Bucksbaum PH. Optical control of excited-state vibrational coherences of a molecule in solution: The influence of the excitation pulse spectrum and phase in LD690. The Journal of Physical Chemistry. B. 110: 20023-31. PMID 17020390 DOI: 10.1021/jp0627628  1
2006 Carroll EC, Florean AC, Spears KG, Bucksbaum PH, Sension RJ. Spectral phase and detuning effects in high-power chirped pulse excitation of a dye solution Femtochemistry Vii. 573-577. DOI: 10.1016/B978-044452821-6/50083-6  1
2006 McLellan E, Gunnarsson L, Rindzevicius T, Kali M, Zou S, Spears K, Schatz G, Van Duyne R. Plasmonic and diffractive coupling in 2D arrays of nanoparticles produced by electron beam lithography Materials Research Society Symposium Proceedings. 951: 83-88.  1
2005 Hicks EM, Zhang X, Zou S, Lyandres O, Spears KG, Schatz GC, Van Duyne RP. Plasmonic properties of film over nanowell surfaces fabricated by nanosphere lithography. The Journal of Physical Chemistry. B. 109: 22351-8. PMID 16853911 DOI: 10.1021/jp0545400  1
2005 Moran AM, Sung J, Hicks EM, Van Duyne RP, Spears KG. Second harmonic excitation spectroscopy of silver nanoparticle arrays. The Journal of Physical Chemistry. B. 109: 4501-6. PMID 16851525 DOI: 10.1021/jp0467604  1
2005 Moran AM, Aravindan P, Spears KG. Solvent adiabaticity effects on ultrafast electron transfer in viologen charge transfer complexes. The Journal of Physical Chemistry. A. 109: 1795-801. PMID 16833508 DOI: 10.1021/jp0466082  1
2005 Hicks EM, Zou S, Schatz GC, Spears KG, Van Duyne RP, Gunnarsson L, Rindzevicius T, Kasemo B, Käll M. Controlling plasmon line shapes through diffractive coupling in linear arrays of cylindrical nanoparticles fabricated by electron beam lithography. Nano Letters. 5: 1065-70. PMID 15943444 DOI: 10.1021/nl0505492  1
2005 Hicks EM, Gunnarrsson L, Rindevicius T, Zou S, Kasemo B, Käll M, Schatz GC, Spears KG, Van Duyne RP. Investigating narrow plasmons in nanoparticle arrays fabricated using Electron Beam Lithography Materials Research Society Symposium Proceedings. 872: 317-322.  1
2004 Sando GM, Spears KG. Density functional theory studies of the Co(Cp)2|V(CO)6 radical-pair system Journal of Physical Chemistry A. 108: 1290-1297. DOI: 10.1021/jp036383f  1
2004 Moran AM, Spears KG. The effect of diffusive solvent relaxation on ultrafast electron transfer within the methyl viologen-hexacyanoferrate complex in trehalose-water glass Chemical Physics Letters. 393: 397-402. DOI: 10.1016/j.cplett.2004.06.057  1
2002 Marin TW, Homoelle BJ, Spears KG. Ultrafast electron transfer in the [Co(Cp)2|V(CO)6] radical pair Journal of Physical Chemistry A. 106: 1152-1166. DOI: 10.1021/jp012934v  1
2002 Marin TW, Homoelle BJ, Spears KG, Hupp JT, Spreer LO. Vibrational coherence due to promoting mode activity in the relaxation dynamics of the class III mixed-valence molecule [Ru2TIEDCl4]+ Journal of Physical Chemistry A. 106: 1131-1143. DOI: 10.1021/jp0124490  1
2001 Sando GM, Spears KG. Ab initio computation of the Duschinsky mixing of vibrations and nonlinear effects Journal of Physical Chemistry A. 105: 5326-5333. DOI: 10.1021/jp004230b  1
2001 Sando GM, Spears KG, Hupp JT, Ruhoff PT. Large electron transfer rate effects from the Duschinsky mixing of vibrations Journal of Physical Chemistry A. 105: 5317-5325. DOI: 10.1021/jp004229c  1
2000 Sando GM, Ray A, Spreer LO, Spears KG, Hupp JT. Resonance Raman and semiempirical electronic structure studies of an odd-electron dinickel tetraiminoethylenedimacrocycle complex. Inorganic Chemistry. 39: 3911-4. PMID 11196788 DOI: 10.1021/ic991326f  1
2000 Spears KG, Shang H. Models for Quantum Effects in Electron Transfer: Co(Cp)2 +|V(CO)6 - Journal of Physical Chemistry A. 104: 2668-2680.  1
1997 Spears KG. Density functional study of geometry and vibrational spectra for the isoelectronic V(CO)- 6 and Cr(CO)6 molecules Journal of Physical Chemistry A. 101: 6273-6279.  1
1996 Spears KG, Wen X, Zhang R. Electron transfer rates from vibrational quantum states Journal of Physical Chemistry. 100: 10206-10209.  1
1995 Arrivo SM, Spears KG, Sipior J. Picosecond transient backward stimulated Raman scattering and pumping of femtosecond dye lasers Optics Communications. 116: 377-382. DOI: 10.1016/0030-4018(95)00070-O  1
1995 Spears KG. Models for electron transfer with vibrational state resolution Journal of Physical Chemistry. 99: 2469-2476.  1
1994 Miller RM, Spears KG, Gong JH, Wach M. Solvent gating of intramolecular electron transfer Journal of Physical Chemistry. 98: 1376-1385.  1
1994 Spears KG, Wen X, Arrivo SM. Electron transfer rates with vibrational state resolution Journal of Physical Chemistry. 98: 9693-9696.  1
1993 McLendon G, Zhang Q, Wallin SA, Miller RM, Billstone V, Spears KG, Hoffman BM. Thermodynamic and kinetic aspects of binding and recognition in the cytochrome c/cytochrome c peroxidase complex Journal of the American Chemical Society. 115: 3665-3669.  1
1992 VanderMeulen DL, Misra P, Michael J, Spears KG, Khoka M. Laser mediated release of dye from liposomes. Photochemistry and Photobiology. 56: 325-32. PMID 1438567  1
1992 Spears KG, Kume SM, Winakur E. Imaging inside scattering media with lasers: coherence in space and time Proceedings of Spie - the International Society For Optical Engineering. 1599: 221-226.  1
1991 Sprague JR, Arrivo SM, Spears KG. Identification of uncoordinated Cr(CO)5 intermediate in cyclohexane with picosecond time-resolved IR spectroscopy Journal of Physical Chemistry. 95: 10528-10531.  1
1991 VanderMeulen DL, Khoka M, Spears KG. Laser neural tissue interactions using bilayer membrane models Proceedings of Spie - the International Society For Optical Engineering. 1428: 84-90.  1
1991 VanderMeulen DL, Misra P, Michael J, Spears KG, Khoka M. Quantitative analysis at the molecular level of laser-neural tissue interactions using a liposome model system Proceedings of Spie - the International Society For Optical Engineering. 1428: 91-98.  1
1991 Spears KG, Kume S, Winakur E. Imaging inside scattering media. Chrono-coherent imaging Proceedings of Spie - the International Society For Optical Engineering. 1429: 2-8.  1
1991 Yang X, Spears KG. Fiber probe for ring pattern Proceedings of Spie - the International Society For Optical Engineering. 1367: 382-386.  1
1990 Horn G, Spears KG, Lopez O, Lewicky A, Yang XY, Riaz M, Wang R, Silva D, Serafin J. New refractive method for laser thermal keratoplasty with the Co:MgF2 laser. Journal of Cataract and Refractive Surgery. 16: 611-6. PMID 2231379  1
1990 Spears KG, Wang L, Zhu X, Arrivo SM. Picosecond transient IR absorption of unsaturated transition metal complexes Proceedings of Spie - the International Society For Optical Engineering. 1209: 32-42.  1
1990 Spears KG, Horn G, Serafin J. Corneal refractive correction by laser thermal keratoplasty Proceedings of Spie - the International Society For Optical Engineering. 1202: 334-337.  1
1989 Spears KG, Serafin J, Bjelkhagen H. Chrono-coherent imaging for medicine. Ieee Engineering in Medicine and Biology Magazine : the Quarterly Magazine of the Engineering in Medicine & Biology Society. 8: 21-3. PMID 18244090 DOI: 10.1109/51.45952  1
1989 Spears KG, Serafin J, Abramson NH, Zhu XM, Bjelkhagen H. Chrono-coherent imaging for medicine. Ieee Transactions On Bio-Medical Engineering. 36: 1210-21. PMID 2606497 DOI: 10.1109/10.42116  1
1989 Spears KG, Serafin J, Zhu X, Bjelkhagen H. Summary of chrono-coherent imaging in medicine Proceedings of Spie - the International Society For Optical Engineering. 1090: 29-34. DOI: 10.1117/12.953187  1
1989 Wang L, Zhu X, Spears KG. Reactions of naked Cr(CO)5 in tetrahydrofuran solution observed by picosecond infrared transient absorption Journal of Physical Chemistry. 93: 2-4.  1
1988 Spears KG, Zhu X, Yang X, Wang L. Picosecond infrared generation from Nd: YAG and a visible, short cavity dye laser Optics Communications. 66: 167-171. DOI: 10.1016/0030-4018(88)90055-7  1
1988 Spears KG, Robinson TJ. Particle number densities by light-scattering fluctuation analysis Journal of Physical Chemistry. 92: 5302-5305.  1
1988 Wang L, Zhu X, Spears KG. Unsaturated transition-metal complexes in solution: Naked Cr(CO)5 in cyclohexane solution observed by picosecond IR transient absorption Journal of the American Chemical Society. 110: 8695-8696.  1
1988 Spears KG, Kampf RP, Robinson TJ. Particle densities in radio-frequency discharges of silane Journal of Physical Chemistry. 92: 5297-5302.  1
1986 Spears KG, Robinson TJ, Roth RM. Particle Distributions and Laser-Particle Interactions in an RF Discharge of Silane Ieee Transactions On Plasma Science. 14: 179-187. DOI: 10.1109/TPS.1986.4316521  1
1986 Spears KG, Gray TH, Huang DY. Ionic photodissociation and picosecond solvation dynamics of contact ion pairs Journal of Physical Chemistry. 90: 779-790.  1
1985 Roth RM, Spears KG, Stein GD, Wong G. Spatial dependence of particle light scattering in an rf silane discharge Applied Physics Letters. 46: 253-255. DOI: 10.1063/1.95648  1
1985 Roth RM, Spears KG, Wong G. SPATIAL CONCENTRATIONS OF SILICON ATOMS IN RF DISCHARGES OF SILANE. Materials Research Society Symposia Proceedings. 38: 117-123.  1
1985 Kivelson D, Spears KG. Dielectric friction as a source of rotational drag on charged noncentrosymmetric molecules Journal of Physical Chemistry. 89: 1999-2001.  1
1985 Spears KG, Roth RM. SPATIAL RESOLUTION OF SMALL PARTICLES IN SILANE DISCHARGE. Materials Research Society Symposia Proceedings. 38: 111-116.  1
1985 Spears KG, Steinmetz KM. Solvent interactions with anions by reorientation studies of resorufin Journal of Physical Chemistry. 89: 3623-3629.  1
1984 Roth RM, Spears KG, Wong G. Spatial concentrations of silicon atoms by laser-induced fluorescence in a silane glow discharge Applied Physics Letters. 45: 28-30. DOI: 10.1063/1.94992  1
1982 Bartels DM, Spears KG. Rotational effects in the intermediate-case radiationless decay of pyrimidine Journal of Physical Chemistry. 86: 5180-5191.  1
1982 Spears KG, Gray TH, Huang D. PICOSECOND DYNAMICS OF UNIMOLECULAR ION PAIR FORMATION. Springer Series in Chemical Physics. 23: 278-281.  1
1981 Spears KG, Hoffland LD. Photophysics of CF3NO The Journal of Chemical Physics. 74: 4765-4773.  1
1981 DeKoven BM, Fung KH, Levy DH, Hoffland LD, Spears KG. The visible spectrum of jet-cooled CF3NO The Journal of Chemical Physics. 74: 4755-4764.  1
1978 Spears KG, Cramer LE, Hoffland LD. Subnanosecond time-correlated photon counting with tunable lasers. The Review of Scientific Instruments. 49: 255. PMID 18699071 DOI: 10.1063/1.1135382  1
1978 Spears KG, Cramer LE. Rotational diffusion in aprotic and protic solvents Chemical Physics. 30: 1-8. DOI: 10.1016/0301-0104(78)85100-3  1
1978 Spears KG. A stochastic description for vibrational relaxation in electronically excited CF3NO Chemical Physics Letters. 54: 139-141. DOI: 10.1016/0009-2614(78)85684-X  1
1978 Spears KG, Brugge SP. Vibrationally excited NO2 from CH3NO2 and 2-C3H7NO2 photodissociation Chemical Physics Letters. 54: 373-377. DOI: 10.1016/0009-2614(78)80122-5  1
1978 Cramer LE, Spears KG. Hydrogen bond strengths from solvent-dependent lifetimes of rose bengal dye Journal of the American Chemical Society. 100: 221-227.  1
1977 Spears KG, Hoff Land L, Loyd R. Dewar design for temperature tuned SHG. Applied Optics. 16: 1172-4. PMID 20168670  0.64
1977 Spears KG, Larsen J. Design of an acousto-optic modulator and driver Review of Scientific Instruments. 48: 472-475. DOI: 10.1063/1.1135053  1
1977 Spears KG, Larsen J. Driver design for a laser cavity dumper Review of Scientific Instruments. 48: 1333-1335. DOI: 10.1063/1.1134876  1
1977 Spears KG, El-Manguch M. Dual fluorescence lifetimes of pyrimidine: Intermediate radiationless decay Chemical Physics. 24: 65-80. DOI: 10.1016/0301-0104(77)85079-9  1
1977 Bjorklund RB, Spears KG. Alkali halide surfaces: Adsorbate binding energies and structures at surface defects The Journal of Chemical Physics. 66: 3437-3447.  1
1977 Spears KG. Hydration structures for halide (-) ions [3] Journal of Physical Chemistry. 81: 186.  1
1977 Bjorklund RB, Lester JE, Spears KG. Alkali halide surfaces: Measurements and modeling of adsorbate motions and reactions at surface defects The Journal of Chemical Physics. 66: 3426-3436.  1
1977 Bjorklund RB, Spears KG. Alkali halide surfaces: Potential energy surfaces for diffusion and dimer dissociations The Journal of Chemical Physics. 66: 3448-3454.  1
1976 Spears KG, Hoffland L. Radiationless pathways in CF3NO The Journal of Chemical Physics. 66: 1755-1756.  1
1976 Spears KG, Kim SH. Hydration structures for alkali (+) ions Journal of Physical Chemistry. 80: 673-679.  1
1973 Spears KG, Ferguson EE. Termolecular and saturated termolecular kinetics for Li+ and F− Journal of Chemical Physics. 59: 4174-4183. DOI: 10.1063/1.1680610  1
1972 Spears KG. Repulsive potentials of atomic ions, atoms, and molecules The Journal of Chemical Physics. 57: 1842-1849.  1
1972 Spears KG. Ion-neutral bonding The Journal of Chemical Physics. 57: 1850-1858.  1
1972 Spears KG, Fehsenfeld FC. Termolecular association reactions of Mg, Ca, and Ba ions The Journal of Chemical Physics. 56: 5698-5705.  1
1972 Abramson AS, Spears KG, Rice SA. Lifetimes and quantum yields of individual vibronic states of C 6D6 and C6H5F The Journal of Chemical Physics. 56: 2291-2308.  1
1972 Spears KG, Fehsenfeld GC, Mcfarland M, Ferguson EE. Partial charge-transfer reactions at thermal energies The Journal of Chemical Physics. 56: 2567-2571.  1
1971 Spears KG, Rice SA. Study of the lifetimes of individual vibronic states of the isolated benzene molecule The Journal of Chemical Physics. 55: 5561-5581.  1
1970 Gelbart WM, Spears KG, Freed KF, Jortner J, Rice SA. Boltzmann statistics and radiationless decay in large molecules: Optical selection studies Chemical Physics Letters. 6: 345-351. DOI: 10.1016/0009-2614(70)85092-8  1
1970 Spears KG, Ferguson EE. Termolecular and saturated termolecular kinetics for Li+ and F- The Journal of Chemical Physics. 4174-4183.  1
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