个人简介

2009–present Associate Professor, Carnegie Mellon University 2002–2009 Assistant Professor of Chemistry, Princeton University 1998–2002 Postdoctoral Research Associate at Cornell University 1996–1998 Postdoctoral Research Associate at Los Alamos National Laboratory 1996 Ph.D. Chemistry, Université de Fribourg, Switzerland

研究领域

Catalysis/Materials & Nanoscience/Renewable Energy

The Bernhard lab is interested in interconverting radiative and electrochemical energy through the use of transition metal complexes with electronically tunable architectures. That is, we study both the absorption of light to generate electrochemical potential (organic photovoltaics and artificial photosynthesis) as well as the emanation of light using electrical current (organic light emitting devices). We are also deeply involved in the exploration of chiral luminophores (and chiral ensembles) that emit circularly polarized light. Our work in this area has produced cutting-edge tools for both the characterization and prediction of polarized luminescence. In each of the above areas, it is our aspiration to precisely understand and administer the interactions that control ensemble properties by establishing clear structure-activity relationships.

近期论文

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Carbene Iridium Complexes for Efficient Water Oxidation: Scope and Mechanistic Insights. Woods, James A.; Lalrempuia, Ralte; Petronilho, Ana; McDaniel, Neal D.; Müller-Bunz, Helge; Albrecht, Martin; Bernhard, Stefan, Energy & Environmental Science (2014), 7, 2316–2328. New Ir(III) 4,4'-Dicyano-2,2'-bipyridine Photosensitizers for Solar Fuel Generation. Mills, Isaac N.; Kagalwala, Husain N.; Chirdon, Danielle N.; Brooks, Anthony C.; Bernhard, Stefan, Polyhedron (2014), published online. Tuning Thiophene with Phosphorus: Synthesis and Electronic Properties of Benzobisthiaphospholes. Qiu, Yunyan; Worch, Joshua C.; Chirdon, Danielle N.; Kaur, Aman; Maurer, Andrew B.; Amsterdam, Samuel; Collins, Christopher R.; Pintauer, Tomislav; Yaron, David; Bernhard, Stefan and Noonan, Kevin J. T. Chemistry--A European Journal (2014), 20, 7746 – 7751. Organocatalytic photoreduction of Zn(II) to zinc metal. Brooks, Anthony C.; Basore, Katherine; Bernhard, Stefan, Chemical Communications (2014), 50, 5196-5199. [Ir(N^N^N)(C^N)L]+: A New Family of Luminophores Combining Tunability and Enhanced Photostability. Chirdon, Danielle N.; Transue, Wesley J.; Kagalwala, Husain N.; Kaur, Aman; Maurer, Andrew B.; Pintauer, Tomislav; Bernhard, Stefan, Inorganic Chemistry, (2014), 53(3), 1488-1500. Bimetallic Iridium-Carbene Complexes with Mesoionic Triazolylidene Ligands for Water Oxidation Catalysis. Petronilho, Ana; Woods, James A.; Bernhard, Stefan; Albrecht, Martin, European Journal of Inorganic Chemistry (2014), 708–714. Synthesis of Thiophene 1,1-Dioxides and Tuning Their Optoelectronic Properties. Tsai, Chia-Hua; Chirdon, Danielle N.; Maurer, Andrew B.; Bernhard, Stefan; Noonan, Kevin J. T., Organic Letters (2013), 130(20), 5230-5233. Synthetic Tuning of Electronic and Photophysical Properties of 2-Aryl-1,3-Benzothiaphospholes. Worch, Joshua C.; Chirdon, Danielle N.; Maurer, Andrew B.; Qiu, Yunyan; Geib, Steven J.; Bernhard, Stefan; Noonan, Kevin J. T., Journal of Organic Chemistry (2013), 78(15), 7462-7469. Tracking of Tuning Effects in Bis-Cyclometalated Iridium Complexes: A Combined Time Resolved Infrared Spectroscopy, Electrochemical, and Computational Study. Chirdon, Danielle N.; McCusker, Catherine E.; Castellano, Felix N.; Bernhard, Stefan, Inorganic Chemistry (2013), 52(15), 8795-8804. Photocatalytic Hydrogen Generation System Using a Nickel-Thiolate Hexameric Cluster. Kagalwala, Husain N.; Gottlieb, Eric; Li, Gao; Li, Tao; Jin, Rongchao; Bernhard, Stefan, Inorganic Chemistry (2013), 52(15), 9094-9101. Photon-Driven Reduction of Zn2+ to Zn Metal. Brooks, Anthony C.; Basore, Katherine; Bernhard, Stefan, Inorganic Chemistry (2013), 52, 5794−5800. Visible Light and Sunlight Photoinduced ATRP with ppm of Cu Catalyst. Konkolewicz, Dominik; Schroder, Kristin; Buback, Johannes; Bernhard, Stefan; Matyjaszewski, Krzysztof , ACS Macro Letters (2012), 1(10), 1219-1223. Photolytic water oxidation catalyzed by a molecular carbene iridium complex. Petronilho, Ana; Rahman, Mahfujur; Woods, James A.; Al-Sayyed, Haris; Mueller-Bunz, Helge; Don MacElroy, J. M.; Bernhard, Stefan; Albrecht, Martin, Dalton Transactions (2012), 41(26), 13074-13080. Cyclometalated platinum(II) diimine complexes: synthetically tuning the photophysical and electrochemical properties. Jenkins, Dustin M.; Senn, Jonathan F.; Bernhard, Stefan, Dalton Transactions (2012), 41(26), 8077-8085. Orchestrated Photocatalytic Water Reduction Using Surface-Adsorbing Iridium Photosensitizers. DiSalle, Brian F.; Bernhard, Stefan, Journal of the American Chemical Society (2011), 133(31), 11819-11821. Ambient laser direct-write printing of a patterned organo-metallic electroluminescent device. Kattamis, Nicholas T.; McDaniel, Neal D.; Bernhard, Stefan; Arnold, Craig B., Organic Electronics, (2011), 12(7) 1152-1158. Axially Chiral Bichromophoric Fluorescent Dyes. Langhals, Heinz; Hofer, Alexander; Bernhard, Stefan; Siegel, Jay S.; Mayer, Peter, Journal of Organic Chemistry (2011), 76(3), 990-992. Synthesis and Characterization of Luminescent Bis-Cyclometalated Platinum(IV) Complexes. Jenkins, Dustin M.; Bernhard, Stefan, Inorganic Chemistry (2010), 49(28), 11297-11308. Water Oxidation Catalyzed by Strong Carbene-Type Donor-Ligand Complexes of Iridium. Lalrempuia, Ralte; McDaniel, Neal D.; Mueller-Bunz, Helge; Bernhard, Stefan; Albrecht, Martin, Angewandte Chemie, International Edition (2010), 49(50), 9765-9768. Solar fuels: thermodynamics, candidates, tactics, and figures of merit. McDaniel, Neal D.; Bernhard, Stefan, Dalton Transactions (2010), 39(42), 10021-10030.