Photovoltaic activity of photosystem I-based self-assembled monolayer

被引：98
作者：
Carmeli, Itai
Frolov, Ludmila
Carmeli, Chanoch
Richter, Shachar [1 ]
机构：
[1] Tel Aviv Univ, Dept Chem, IL-69978 Tel Aviv, Israel
[2] Tel Aviv Univ, Dept Biochem, IL-69978 Tel Aviv, Israel
来源：
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2007年 / 129卷 / 41期
关键词：
D O I：
10.1021/ja073040c
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The photoelectronic nature of a dried photosystern I protein attached to a metal surface is studied using various spectroscopic techniques. The proteins are found to be optically active after the chemical adsorption. In addition, energy-resolved photoelectronic measurements indicate that the interaction of photosystem I with the metal surface leads to new molecule/substrate states, yielding energy states different from those of the individual components. Such interactions increase the spectra I-response range beyond the absorption spectrum of photosystem I and are expected to improve the energy-conversion efficiency of devices based on this system.
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页码：12352 / +
页数：3
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