| Presentation | 2015-10-23 Fabrication of bacteriorhodopsin (bR) thin films by wire-bar coating technique and evaluation of differential photocurrent response in its bR photocells Toshiki Yamada, Yoshihiro Haruyama, Katsuyuki Kasai, Takahiro Kaji, Yukihiro Tominari, Shukichi Tanaka, Akira Otomo, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Bacteriorhodopsin (bR) is a protein containing a covalently bound protonated Schiff base retinal chromophore, found in the purple membrane of Halobacterium salinarium. It is well-known that the bR exhibits a light-driven proton pump function, and photo-sensor devices having the bR thin film show a time-differential photo-current signal under the “ON” or “OFF” of photo-irradiation. We previously observed a transient photo-current signal under the ON/OFF of photo-irradiation for a photo-cell that has a bR thin film prepared by the dip coating technique. We also studied on the effective generation of the time-differential photo-current signal, and developed new photo-sensor devices using the unique characteristics. In this paper, we prepared a bR thin film by the wire-bar coating technique, and investigated the transient photo-current characteristics of the bR photocell. The transient photo-current signal of bR photocells prepared by the wire-bar coating technique and the dip coating technique was compared. We found an almost identical transient photo-current signal both for the wire-bar coating technique and the dip coating technique, while the thickness of bR thin film prepared by the wire-bar coating technique is thinner than that prepared by the dip-coating technique. The data indicates the effective generation of the time-differential photo-current signal and is significant toward various applications of bR photo-sensor devices. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Bacteriorhodopsin / time-differential photo-current / dip coating technique / wire-bar coating technique |
| Paper # | OME2015-59 |
| Date of Issue | 2015-10-16 (OME) |
| Conference Information | |
| Committee | OME |
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| Conference Date | 2015/10/23(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Osaka Univ. Nakanoshima Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Organic devices and sensors, etc. |
| Chair | Naoki Matsuda(AIST) |
| Vice Chair | Tatsuo Mori(Aichi Inst. of Tech.) |
| Secretary | Tatsuo Mori(NTT) |
| Assistant | Hirotake Kajii(Osaka Univ.) / Dai Taguchi(Tokyo Inst. of Tech.) |
| Paper Information | |
| Registration To | Technical Committee on Organic Molecular Electronics |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Fabrication of bacteriorhodopsin (bR) thin films by wire-bar coating technique and evaluation of differential photocurrent response in its bR photocells |
| Sub Title (in English) | |
| Keyword(1) | Bacteriorhodopsin |
| Keyword(2) | time-differential photo-current |
| Keyword(3) | dip coating technique |
| Keyword(4) | wire-bar coating technique |
| 1st Author's Name | Toshiki Yamada |
| 1st Author's Affiliation | National Institute of Information and Communications Technology(NICT) |
| 2nd Author's Name | Yoshihiro Haruyama |
| 2nd Author's Affiliation | National Institute of Information and Communications Technology(NICT) |
| 3rd Author's Name | Katsuyuki Kasai |
| 3rd Author's Affiliation | National Institute of Information and Communications Technology(NICT) |
| 4th Author's Name | Takahiro Kaji |
| 4th Author's Affiliation | National Institute of Information and Communications Technology(NICT) |
| 5th Author's Name | Yukihiro Tominari |
| 5th Author's Affiliation | National Institute of Information and Communications Technology(NICT) |
| 6th Author's Name | Shukichi Tanaka |
| 6th Author's Affiliation | National Institute of Information and Communications Technology(NICT) |
| 7th Author's Name | Akira Otomo |
| 7th Author's Affiliation | National Institute of Information and Communications Technology(NICT) |
| Date | 2015-10-23 |
| Paper # | OME2015-59 |
| Volume (vol) | vol.115 |
| Number (no) | OME-265 |
| Page | pp.pp.47-51(OME), |
| #Pages | 5 |
| Date of Issue | 2015-10-16 (OME) |