Near infrared photo-detector using self-assembled formation of organic crystalline nanopillar arrays

Yoshiharu Ajiki, Tetsuo Kan, Masayuki Yahiro, Akiko Hamada, Junji Adachi, Chihaya Adachi, Kiyoshi Matsumoto, Isao Shimoyama

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

3 被引用数 (Scopus)

抄録

We proposed a near infrared photo-detector (NIR-D) using self-assembled formation of organic crystalline arrays, which were formed on an n-type silicon (n-Si) substrate and covered with an Au film. These structures act as antennas for near infrared (NIR) light, resulting in an enhancement of the light absorption on the Au film. The NIR-Ds thus have higher photo-responsivity compared with that of an Au/n-Si typed Schottky diodes, which was fabricated as a reference. In this paper, the fabrication process of the NIR-Ds and the estimation results of photo-responsivity were described. The maximum responsivity to NIR light (wavelength = 1.2 μm) was 1.79 mA/W without applying forward bias. This value is 10 times larger than the responsivity of the Au/n-Si typed Schottky diode as a reference.

本文言語英語
ホスト出版物のタイトルMEMS 2014 - 27th IEEE International Conference on Micro Electro Mechanical Systems
出版社Institute of Electrical and Electronics Engineers Inc.
ページ147-150
ページ数4
ISBN(印刷版)9781479935086
DOI
出版ステータス出版済み - 1 1 2014
イベント27th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2014 - San Francisco, CA, 米国
継続期間: 1 26 20141 30 2014

出版物シリーズ

名前Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)
ISSN(印刷版)1084-6999

その他

その他27th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2014
Country米国
CitySan Francisco, CA
Period1/26/141/30/14

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanical Engineering
  • Electrical and Electronic Engineering

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