Novel proton-gated optical transistor devices

Yang Hwang Zen, Chong Mou Wang*

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

1 引文 斯高帕斯(Scopus)

摘要

An optical rectifier device is fabricated with thin-film 2-pyridylcarboxylic acids. The initially inactive redox centers, pyridyl nitrogens, become activated under 260 nm illumination. This photoelectrochemical behavior is ascribed to the photoinduced proton transfer reactions, via which the pyridyl nitrogens behave as stronger bases than their counterpart ground states, and trigger a substantial cathodic current to flow. The drain current is gate- potential (VG) and drain-voltage (VD) dependent; the optimized current collection is ca 50% at VG= -0.62 V vs SCE and VD = +0.6 V vs the emitter. The signal rectification efficiency reaches 0.012 with 2-pyridylacetic acid under 260 nm illumination.

原文英語
頁(從 - 到)L754-L756
期刊Japanese Journal of Applied Physics
34
發行號6
DOIs
出版狀態已發佈 - 1995 6月 1

ASJC Scopus subject areas

  • 一般工程
  • 一般物理與天文學

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