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Self-assembled monolayer of light-harvesting core complexes of photosynthetic bacteria on an amino-terminated ITO electrode |
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| Authors: | Yoshiharu Suemori Morio Nagata Yukari Nakamura Katsunori Nakagawa Ayumi Okuda Jun-ichi Inagaki Kiyoshi Shinohara Makiko Ogawa Kouji Iida Takehisa Dewa Keiji Yamashita Alastair Gardiner Richard J Cogdell Mamoru Nango |
| Institution: | (1) Department of Applied Chemistry, Tsukuri College, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Aichi, Japan;(2) Nagoya Municipal Industrial Research Institute, Rokuban 3-4-41, Atsuta-ku, Nagoya 456-0058, Japan;(3) Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, University Avenue, Glasgow, G12 8QQ, UK |
| Abstract: | Light-harvesting antenna core (LH1-RC) complexes isolated from Rhodospirillum rubrum and Rhodopseudomonas palustris were successfully self-assembled on an ITO electrode modified with 3-aminopropyltriethoxysilane. Near infra-red (NIR) absorption, fluorescence, and IR spectra of these LH1-RC complexes indicated that these LH1-RC complexes on the electrode were stable on the electrode. An efficient energy transfer and photocurrent responses of these LH1-RC complexes on the electrode were observed upon illumination of the LH1 complex at 880 nm. |
| Keywords: | Light-harvesting complex Light harvesting-reaction center complex Photosynthesis Electrode Energy transfer Photocurrent |
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