个人简介

Bowdoin College, B.A. (1987). University of Colorado-Boulder, Ph.D. (1994). Postdoctoral Associate, University of Colorado-Boulder (1994-1997)

研究领域

Materials/Polymers & Nanoscience

Ultrafast Spectroscopy, Ultrafast Microscopy, Ultrafast Imaging, Excited State Dynamics of Individual Nanostructures and Nanodevices, Charge and Energy Transport in Molecular Assemblies, Computer Simulation (Monte Carlo, Molecular Dynamics, and Finite Difference Methods)

近期论文

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Byron H. Farnum, Zach A. Morseth, M. Kyle Brennaman, John M. Papanikolas and Thomas J. Meyer, "Application of Degenerately Doped Metal Oxides in the Study of Photoinduced Interfacial Electron Transfer", J. Phys. Chem. B, 2015, Submitted. M. Kyle Brennman, Michael R. Norris, Robert A. Binstead, Robert J. Brown, Wnjing Song, Leila Alibabaei, Javier J. Concepcion, Melissa K. Gish, Joseph L. Templeton, John M. Papanikolas and Thomas J. Meyer, "The Roles of Injection and Cross-Surface Dynamics in a Ruthenium-Based Chromophore-Catalyst Assembly on TiO2", J. Am. Chem. Soc., 2015, Submitted. Zachary A. Morseth, Li Wang, Egle Puodziukynaite, Gyu Leem, Alexander T. Gilligan, Thomas J. Meyer Kirk S. Schanze, John R. Reynolds and John M. Papanikolas, "Ultrafast Dynamics in Multifunctional Ru(II)-Loaded Polymers for Solar Energy Conversion", Acc. Chem. Res., 2015, Available Online. Michelle M. Gabriel, Erik M. Grumstrup, Justin R. Kirschbrown, Christopher W. Pinion, Joseph D. Christesen, David F. Zigler, Emma E. M. Cating, James F. Cahoon and John M. Papanikolas, "Visualization of Charge Carrier Motion in Semiconductor Nanowires with Ultrafast Pump-Probe Microscopy" in Ultrafast Phenomena 2015, edited by K. Yamanouchi, S. Cundiff, R. de Vivie- Riedle, M. Kuwata-Gonokami, L. DiMauro, L. (Proceedings of the 19th International Conference, Springer) 2015, 671-675. [Conference Proceedings] Dennis L. Ashford, M. Kyle Brennaman, Robert J. Brown, Shahar Keinan, Javier J. Conception, John M. Papanikolas, Joseph L. Templeton, and Thomas J. Meyer, "Varying the Electronic Structure of Surface Bound Ruthenium(II) Polypyridyl Complexes", Inorg. Chem., 54, 2015, 460-469. Gyu Leem, Zachary A. Morseth, Egle Puodziukynaite, Junlin Jiang, Fang Zhen, Alexander Gilligan, John R. Reynolds, John M. Papanikolas, and Kirk S. Schanze, "Light-Harvesting and Charge Separation in a pi-Conjugated Antenna Polymer Bound to TiO2", J. Phys. Chem. C, 118, 2014, 28535-28541. Byron H. Farnum, Zach A. Morseth, M. Kyle Brennaman, John M. Papanikolas and Thomas J. Meyer, "Driving Force Dependent, Photo-induced Electron Transfer at Degenerately Doped, Optically Transparent Semiconductor Nano-particle Interfaces", J. Am. Chem. Soc., 136, 2014, 15869-15872. Erik M. Grumstrup, Michelle M. Gabriel, Christopher W. Pinion, James K. Parker, James F. Cahoon and John M. Papanikolas, "Reversible Strain-Induced Electron-Hole Recombination in Silicon Nanowires Observed with Femtosecond Pump-Probe Microscopy", Nano Letters, 14, 2014, 6287-6292. Michelle M. Gabriel, Erik M. Grumstrup, Justin R. Kirschbrown, Christopher W. Pinion, Joseph D. Christesen, David F. Zigler, Emma E. M. Cating, James F. Cahoon and John M. Papanikolas, "Imaging Charge Separation and Carrier Recombination in Nanowire p-n Junctions Using Ultrafast Microscopy", Nano Letters, 14, 2014, 3079-3087. Erik M. Grumstrup, Michelle M. Gabriel, Emma M. Cating, Christopher W. Pinion, Joseph D. Christesen, Justin R. Kirschbrown, Ernest L. Vallorz, III, James F. Cahoon and John M. Papanikolas, "Ultrafast Carrier Dynamics in Individual Silicon Nanowires: Characterization of Diameter- Dependent Carrier Lifetime and Surface Recombination with Pump-Probe Microscopy", J. Phys. Chem. C, 118, 2014, 8634-8640. Erik M. Grumstrup, Emma M. Cating, Michelle M. Gabrielle, Christopher W. Pinion, Joseph D. Christesen, Justin R. Kirschbrown, Ernest L. Vallorz, III, James F. Cahoon and John M. Papanikolas, "Ultrafast Carrier Dynamics of Silicon Nanowire Ensembles: The Impact of Geometrical Heterogeneity on Charge Carrier Lifetime", J. Phys. Chem. C, 118, 2014, 8626-8633. Stephanie E. Bettis, Kenneth Hanson, Li Wang, Melissa K. Gish, Javier J. Concepcion, Zhen Fang, Thomas J. Meyer and John M. Papanikolas, "Photophysical characterization of chromophore/water oxidation catalyst containing layer-by-layer assembly on nanocrystalline TiO2 using ultrafast spectroscopy", J. Phys. Chem. A, 118, 2014, 10301- 10308. Egle Puodziukynaite, Li Wang, Kirk S. Schanze, John M. Papanikolas and John R. Reynolds, "Poly(Fluorene-co-Thiophene)-Based Ionic Transition-Metal Complex Polymers for Solar Energy Harvesting and Storage Applications", Polymer Chemistry, 5, 2014, 2363- 2369. Stephanie E. Bettis, Derek M. Ryan, Melissa K. Gish, Leila Alibabaei, Thomas J. Meyer, Marcey L. Waters, John M. Papanikolas, "Photophysical Characterization of a Helical Peptide Chromophore–Water Oxidation Catalyst Assembly on a Semiconductor Surface Using Ultrafast Spectroscopy", J. Phys. Chem. C, 118, 2014, 6029-6037. Byron H. Farnum, Zachary A. Morseth, Alexander M. Lapides, Adam J. Rieth, Paul G. Hoertz, M. Kyle Brennaman, John M. Papanikolas, Thomas J. Meyer, "Photo-induced Interfacial Electron Transfer within a Mesoporous Transparent Conducting Oxide Film", J. Am. Chem. Soc., 136, 2014, 2208-2211. Zhuo Chen, Erik M. Grumstrup, Alexander T. Gilligan, John M. Papanikolas, Kirk S. Schanze, "Light Harvesting Polymers: Ultrafast Energy Transfer in Polystyrene Based Arrays of p- Conjugated Chromophores", J. Phys. Chem. B, 118, 2014, 372-378. Li Wang, Dennis L. Ashford, David W. Thompson, Thomas J. Meyer, and John M. Papanikolas, "Watching Photoactivation in a Ru(II) Chromophore-Catalyst Assembly on TiO2 by Ultrafast Spectroscopy", J. Phys. Chem. C, 117, 2013, 24250-24258. Joseph D. Christesen, Christopher W. Pinion, Erik M. Grumstrup, John M. Papanikolas and James F. Cahoon, "Synthetically Encoding High-Resolution Shapes in Silicon Nanowires for Photonics", Nano Letters, 13, 2013, 6281-6286. Li Wang, Egle Puodziukynaite, Erik M. Grumstrup, Aaron C. Brown, Shahar Keinan, Kirk S. Schanze, John R. Reynolds, and John M. Papanikolas, "Ultrafast Formation of a Long-Lived Charge-Separated State in a Ru-loaded Poly(3-hexylthiophene) Light-harvesting Polymer", J. Phys. Chem. Lett., 4, 2013, 2269-2273. Erik M. Grumstrup, Zhuo Chen, Ryan P. Vary, Andrew M. Moan, Kirk S. Schanze, John M. Papanikolas, "Frequency Modulated Femtosecond Stimulated Raman Spectroscopy (FM-FSRS) of Ultrafast Energy Transfer in a Donor-Acceptor Co-Polymer", J. Phys. Chem. B, 117, 2013, 8245-8255. Zach E. Lampert, C. Lewis Reynolds Jr, John M. Papanikolas, and Mohamed Aboelfotoh, "Morphology and Chain Aggregation Dependence of Optical Gain in Thermally Annealed Films of the Conjugated Polymer poly[2-methoxy-5-(2'-ethylhexyloxy)-p-phenylenevinylene]", J. App. Phys, 113, 2013, 233509. Zach E. Lampert , Simon E. Lappi, John M. Papanikolas, C. Lewis Reynolds Jr., "Intrinsic Optical Gain in Thin Films of a Conjugated Polymer Under Picosecond Excitation", Appl. Phys. Lett., 103, 2013, 033303. Jiaxing Lin, Xiangqian Hu, Peng Zhang, Andre Van Rynbach, David N. Beratan, Caleb A. Kent, Brian P. Mehl, John M. Papanikolas, Thomas J. Meyer, Wenbin Lin, Spiros S. Skourtis and Marios Constantinou, "Triplet Excitation Energy Dynamics in Metal-Organic Frameworks", J. Phys. Chem. C, 117, 2013, 22250-22259. Justin R. Kirschbrown, Ralph L. House, Brian P. Mehl, James K. Parker and John M. Papanikolas, "Hybrid Standing Wave and Whispering Gallery Modes in Needle-Shaped ZnO Rods as Studied by Two-Photon Emission Microscopy and Finite Difference Frequency Domain Methods", J. Phys. Chem. C, 117, 2013, 10653-10660. Michelle M. Gabriel, Justin R. Kirschbrown, Joseph D. Christesen, Christopher W. Pinion, David F. Zigler, Erik M. Grumstrup, Brian P. Mehl, Emma E. M. Cating, James F. Cahoon and John M. Papanikolas, "Direct Imaging of Free Carrier and Trap Carrier Motion in Silicon Nanowires by Spatially-Separated Femtosecond Pump-Probe Microscopy", Nano Lett., 13, 2013, 1336-1340.