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Proceedings Paper

New bio-inorganic photo-electronic devices based on photosynthetic proteins
Author(s): Nikolai Lebedev; Scott Trammell; Igor Griva; Anthony Spano
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Paper Abstract

The photosynthetic reaction center (RC) is one of the most advanced light sensing and energy converting materials developed by Nature. Its coupling with inorganic surfaces is attractive for the identification of the mechanisms of interprotein electron transfer (ET) and for the possible applications for the construction of protein-based innovative photoelectronic and photovoltaic devices. Using genetically engineered bacterial RC proteins and specifically synthesized organic linkers, we were able to construct self-assembled and aligned biomolecular surfaces on various electrodes, including gold, carbon, indium tin oxide (ITO), highly ordered pyrrolytic graphite (HOPG) and carbon nanotube (CNT) arrays. Our results show that, after immobilization on the electrodes, the photosynthetic RC can operate as a highly efficient photosensor, optical switch, and photovoltaic device.

Paper Details

Date Published: 31 October 2006
PDF: 11 pages
Proc. SPIE 6370, Nanomaterial Synthesis and Integration for Sensors, Electronics, Photonics, and Electro-Optics, 63700T (31 October 2006); doi: 10.1117/12.687427
Show Author Affiliations
Nikolai Lebedev, U.S. Naval Research Lab. (United States)
Scott Trammell, U.S. Naval Research Lab. (United States)
Igor Griva, George Mason Univ. (United States)
Anthony Spano, Univ. of Virginia (United States)

Published in SPIE Proceedings Vol. 6370:
Nanomaterial Synthesis and Integration for Sensors, Electronics, Photonics, and Electro-Optics
Nibir K. Dhar; Achyut K. Dutta; M. Saif Islam, Editor(s)

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