Integrated semiconductor optoelectronic devices for real-time and indicator-free detection of aqueous nitric oxide

Yu Chiang Chao, Shih De Yeh, Hsiao Wen Zan, Gao Fong Chang, Hsin Fei Meng*, Chen Hsiung Hung, Tzu Ching Meng

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

3 引文 斯高帕斯(Scopus)

摘要

A real-time and indicator-free sensor specific to nitric oxide (NO) is realized for the first time by integrating a sensing hydrogel film, a top-emitting polymer light-emitting diode (PLED), and a silicon photodetector. The top-emitting PLED is utilized to excite the sensing film specific to NO, and the photoluminescence of the sensing film is transformed into electric signal by the photodetector. The influence of the excitation light on the out-put photocurrent of the photodetector is diminished by two delicately selected organic filters based on their absorption spectra. Lead phthalocyanine is deposited on a top-emitting PLED as a filter for generating an excitation light without overlapping the emission maximum of the sensing hydrogel film. Poly(3-hexylthiophene) is placed in front of the photodetector as another filter to remove the excitation light. This sensor demonstrated a fast photocurrent response to NO with response time within 5 min.

原文英語
頁(從 - 到)751-755
頁數5
期刊Organic Electronics
12
發行號5
DOIs
出版狀態已發佈 - 2011 五月
對外發佈

ASJC Scopus subject areas

  • 電子、光磁材料
  • 生物材料
  • 化學 (全部)
  • 凝聚態物理學
  • 材料化學
  • 電氣與電子工程

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