New bio-inorganic photo-electronic devices based on photosynthetic proteins

Nikolai Lebedev; Scott Trammell; Igor Griva; Anthony Spano

doi:10.1117/12.687427

31 October 2006 New bio-inorganic photo-electronic devices based on photosynthetic proteins

Nikolai Lebedev, Scott Trammell, Igor Griva, Anthony Spano

Proceedings Volume 6370, Nanomaterial Synthesis and Integration for Sensors, Electronics, Photonics, and Electro-Optics; 63700T (2006) https://doi.org/10.1117/12.687427
Event: Optics East 2006, 2006, Boston, Massachusetts, United States

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.

Citation Download Citation

Nikolai Lebedev, Scott Trammell, Igor Griva, and Anthony Spano "New bio-inorganic photo-electronic devices based on photosynthetic proteins", Proc. SPIE 6370, Nanomaterial Synthesis and Integration for Sensors, Electronics, Photonics, and Electro-Optics, 63700T (31 October 2006); https://doi.org/10.1117/12.687427

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