个人简介

Massachusetts Institute of Technology, BS, 2005; California Institute of Technology, PhD, 2011; NSF American Competitiveness in Chemistry Postdoctoral Fellow at the University of Washington, Seattle, 2011-2012

研究领域

Inorganic & Organometallic

Inorganic Spectroscopy and Solar Energy Conversion

近期论文

查看导师新发文章 （温馨提示：请注意重名现象，建议点开原文通过作者单位确认）

Rountree, E. S.; Dempsey, J. L. Mechanistic Analysis of Electrocatalytic Pathways: Taking the Theory Beyond Pseudo-First-Order Analysis. Submitted. McCarthy, B. D.; Donley, C. L.; Dempsey, J. L. Electrode initiated proton-coupled electron transfer to promote degradation of a nickel(II) coordination complex. Chem. Sci. 2015. Advance Article. Gadisa, A.; Hara, Y.; Fu, Y.; Vrouwenvelder, K.; Dempsey, J. L.; Samulski, E.; Lopez, R. Disparity in Optical Charge Generation and Recombination Processes in Upright and Inverted PbS Quantum Dot Solar Cells. J. Phys. Chem. C. 2015. 119, 4606–4611. Dempsey, J. L. Proton-coupled electron transfer: Metal hydrides find the sweet spot. Nature Chem. 2015, 7, 101-102. Martin, D. J.; McCarthy, B. D.; Donley, C. L.; Dempsey, J. L. Electrochemical Hydrogenation of a Homogeneous Nickel Complex to Form a Surface Adsorbed Hydrogen-Evolving Species. Chem. Commun. 2015, 51, 5290-5293. Rountree, E. S.; McCarthy, B. D.; Eisenhart, T. T.; Dempsey, J. L. Evaluation of Homogeneous Electrocatalysts by Cyclic Voltammetry. Inorg. Chem. 2014, 53, 9983–10002. Eisenhart, T. T.; Dempsey, J. L. Photo-Induced Proton-Coupled Electron Transfer Reactions of Acridine Orange: Comprehensive Spectral and Kinetics Analysis. J. Am Chem. Soc. 2014, 136, 12221–12224. McCarthy, B. D.; Martin, D. J.; Rountree, E. S.; Ullman, A. C.; Dempsey, J. L. Electrochemical Reduction of Brønsted Acids by Glassy Carbon in Acetonitrile – Implications for Electrocatalytic Hydrogen Evolution. Inorg. Chem. 2014, 53, 8350–8361. Nayak, A.; Knauf, R. R.; Hanson, K.; Alibabaei, L.; Concepcion, J. J.; Ashford, D. L.; Dempsey, J. L.; Meyer, T. J. Synthesis and Photophysical Characterization of Porphyrin and Porphyrin-Ru(II) Polypyridyl Chromophore-Catalyst Assemblies on Mesoporous Metal Oxides. Chem. Sci. 2014, 5, 3115-3119. Knauf, R. R.; Brennaman, M. K.; Alibabaei, L.; Norris, M. R.; Dempsey, J. L. Revealing the Relationship Between Semiconductor Electronic Structure and Electron Transfer Dynamics at Metal Oxide-Chromophore Interfaces. J. Phys. Chem. C. 2013, 117, 25259-25268. McKone, J. R; Ardo, S.; Blakemore, J. D.; Bracher, P. D.; Dempsey, J. L.; Darnton, T. V.; Hansen, M. C.; Harman, W. H.; Rose, M. R.; Walter, M. G.; Dasgupta, S.; Winkler, J. R.; Gray, H. B. The Solar Army: A Case Study in Outreach Based on Solar Photoelectrochemistry. Rev. Adv. Sci. Eng. 2014, 3, 288-303. Bhattacharjee, A.; Chavarot-Kerlidou, M.; Dempsey, J. L.; Gray, H. B.; Fujita, E.; Fontecave, M.; Artero, V.; Arantes, G. M.; Field, M. J. Theoretical Modeling of Low Energy Electronic Transitions in Reduced Cobaloximes. ChemPhysChem. 2014, 15, 2951-2958. Bradshaw, L. R.; May, J. W.; Dempsey, J. L.; Li, X.; Gamelin, D. R. Ferromagnetic excited-state Mn2+ dimers in Zn1-xMnxSe quantum dots observed by time-resolved magnetophotoluminescence. Phys. Rev. B. 2014, 89, 115312. White, M. A.; Dempsey, J. L.; Carroll, G. M.; Gallagher, J. D.; Gamelin, D. R. Photoconductive ZnO films with embedded quantum dot or ruthenium dye sensitizers. APL Mater. 2013, 1, 032107. Dempsey, J. L.; Winkler, J. R.; Gray, H. B. Solar Fuels: Approaches to Catalytic Hydrogen Evolution. in Comprehensive Inorganic Chemistry II. ed. V. W. W. Yam, Elsevier, Waltham, MA. 2013. vol. 8, ch. 15, pp. 553-565. Valdez, C. N.; Dempsey, J. L.; Brunschwig, B. S.; Winkler, J. R.; Gray, H. B. Catalytic Hydrogen Evolution from a Covalently Linked Dicobaloxime. Proc. Natl. Acad. Sci. USA. 2012, 109, 15589-15593. Dempsey, J. L.; Winkler, J. R.; Gray, H. B. Redox Reactivity of Photogenerated Osmium(II) Complexes. Dalton Trans. 2011, 40, 10633-10636. Dempsey, J. L.; Winkler, J. R.; Gray, H. B. Mechanism of H2 Evolution by a Photogenerated Hydridocobaloxime. J. Am. Chem. Soc. 2010, 132, 16774–16776. Dempsey, J. L.; Winkler, J. R.; Gray, H. B. Proton-Coupled Electron Flow in Protein Redox Machines. Chem. Rev. 2010, 110, 7024–7039. Dempsey, J. L.; Winkler, J. R.; Gray, H. B. Kinetics of Electron Transfer Reactions of H2 Evolving Cobalt Diglyoxime Catalysts. J. Am. Chem. Soc. 2010, 132, 1060–1065. Peters, J. C.; Miller, A. J. M.; Dempsey, J. L. "Emissive Monomeric Metal Complexes." U.S. Patent 7,683,183 B2, 2010. Dempsey, J. L.; Brunschwig, B. S.; Winkler, J. R.; Gray, H. B. Hydrogen Evolution Catalyzed by Cobaloximes. Acc. Chem. Res. 2009, 42, 1995–2004. Miller, A. J. M.; Dempsey, J. L.; Peters, J. C. Long-Lived and Efficient Emission from Mononuclear Amidophosphine Complexes of Copper. Inorg. Chem. 2007, 46, 7244–7246. Esswein, A. J.; Dempsey, J. L.; Nocera, D. G. A Rh(II)-Au(II) Bimetallic Core with a Direct Metal-Metal Bond. Inorg. Chem. 2007, 46, 2362–2364. Dempsey, J. L.; Esswein, A. J.; Manke, D. R.; Rosenthal, J.; Soper, J. D.; Nocera, D. G. Molecular Chemistry of Consequence to Renewable Energy. Inorg. Chem. 2005, 44, 6879–6892. Rosenthal, J.; Bachman, J.; Dempsey, J. L.; Esswein, A. J.; Gray, T. G.; Hodgkiss, J. M.; Manke, D. R.; Luckett, T. D.; Pistorio, B. J.; Veige, A. S.; Nocera, D. G. Oxygen and Hydrogen Photocatalysis by Two-Electron Mixed-Valence Coordination Compounds. Coord. Chem. Rev. 2005, 249, 1316–1326. Wu, N.; Dempsey, J.; Yehl, P. M.; Dovletoglou, A.; Ellison, D.; Wyvratt, J. Practical aspects of fast HPLC separations for pharmaceutical process development using Monolithic Columns. Anal. Chim. Acta 2004, 523, 149–156.