On a heterostructure field-effect transistor (HFET) based hydrogen sensing system

Chi Shiang Hsu, Kun Wei Lin, Huey-Ing Chen, Tai You Chen, Chien Cheng Huang, Po Cheng Chou, Rong Chau Liu, Wen-Chau Liu

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

An interesting heterostructure field-effect transistor (HFET) based hydrogen sensing system is developed and demonstrated. Even at a low hydrogen concentration of 15 ppm H 2 /air, the studied sensor still exhibits high sensitivity at room temperature. Furthermore, a simple sensing system is also designed and reported. In contrast to conventional hydrogen measurement, the detecting system consists of a hydrogen sensor and some sensing circuits. This proposed hydrogen detection system is based on the micro-controller with advantages of low cost, fast response, portable, and easy operation. From experimental results, the proposed system is shown to be good for use.

Original languageEnglish
Pages (from-to)15906-15912
Number of pages7
JournalInternational Journal of Hydrogen Energy
Volume36
Issue number24
DOIs
Publication statusPublished - 2011 Dec 1

Fingerprint

High electron mobility transistors
field effect transistors
Hydrogen
hydrogen
sensors
Sensors
controllers
sensitivity
air
room temperature
Controllers
Networks (circuits)
Air
Costs

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

Hsu, Chi Shiang ; Lin, Kun Wei ; Chen, Huey-Ing ; Chen, Tai You ; Huang, Chien Cheng ; Chou, Po Cheng ; Liu, Rong Chau ; Liu, Wen-Chau. / On a heterostructure field-effect transistor (HFET) based hydrogen sensing system. In: International Journal of Hydrogen Energy. 2011 ; Vol. 36, No. 24. pp. 15906-15912.
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On a heterostructure field-effect transistor (HFET) based hydrogen sensing system. / Hsu, Chi Shiang; Lin, Kun Wei; Chen, Huey-Ing; Chen, Tai You; Huang, Chien Cheng; Chou, Po Cheng; Liu, Rong Chau; Liu, Wen-Chau.

In: International Journal of Hydrogen Energy, Vol. 36, No. 24, 01.12.2011, p. 15906-15912.

Research output: Contribution to journalArticle

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