Modulation of Photoinduced Transmembrane Currents in a Fullerene-Doped Freestanding Lipid Bilayer by a Lateral Bias
Author(s) -
Teng Ma,
Xingyao Feng,
Takeshi Ohori,
Ryusuke Miyata,
Daisuke Tadaki,
Daichi Yamaura,
Takafumi Deguchi,
Maki Komiya,
Kensaku Kanomata,
Fumihiko Hirose,
Michio Niwano,
Ayumi HiranoIwata
Publication year - 2019
Publication title -
acs omega
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.779
H-Index - 40
ISSN - 2470-1343
DOI - 10.1021/acsomega.9b02336
Subject(s) - bilayer , lipid bilayer , materials science , electrode , fullerene , optoelectronics , biasing , transmembrane protein , membrane , doping , nanotechnology , voltage , chemistry , organic chemistry , biochemistry , physics , receptor , quantum mechanics
We report on a novel lipid bilayer system, in which a lateral bias can be applied in addition to a conventional transmembrane voltage. Freestanding bilayer lipid membranes (BLMs) doped with [6,6]-phenyl-C 61 -butyric acid methyl ester (PCBM) were formed in a microaperture, around which metal electrodes were deposited. Using this system, it was possible to modulate and amplify photoinduced transmembrane currents by applying a lateral bias along the BLM. The results indicate that the microfabricated Si chip with embedded electrodes is a promising platform for the formation of transistor-like devices based on PCBM-doped BLMs and have potential for use in a wide variety of nanohybrid devices.
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