A study of fast response characteristics for hydrogen sensing with platinum FET sensor

Keiji Tsukada, Toshihiko Kiwa, T. Yamaguchi, S. Migitaka, Y. Goto, K. Yokosawa

Research output: Contribution to journalArticle

63 Citations (Scopus)

Abstract

The fast response characteristics of a Pt-FET hydrogen sensor have been investigated using a hydrogen gas flow system and a flow-through cell for the sensor. The Pt-FET hydrogen sensor showed good linear response, detecting hydrogen concentrations from 10 ppm to 10%, and had a sensitivity of -25.1 mV/decade at room temperature, which is close to the value for the Nernstian slope. The transient response characteristic shows that the equivalent catalytic reaction on the platinum surface is dominant in the response time.

Original languageEnglish
Pages (from-to)158-163
Number of pages6
JournalSensors and Actuators, B: Chemical
Volume114
Issue number1
DOIs
Publication statusPublished - Mar 30 2006

Fingerprint

Field effect transistors
Platinum
Hydrogen
platinum
field effect transistors
sensors
Sensors
hydrogen
transient response
Transient analysis
gas flow
Flow of gases
slopes
sensitivity
room temperature
cells
Temperature

Keywords

  • Fast response characteristics
  • Gas flow
  • Hydrogen gas
  • Hydrogen sensor
  • Pt-FET

ASJC Scopus subject areas

  • Analytical Chemistry
  • Electrochemistry
  • Electrical and Electronic Engineering

Cite this

A study of fast response characteristics for hydrogen sensing with platinum FET sensor. / Tsukada, Keiji; Kiwa, Toshihiko; Yamaguchi, T.; Migitaka, S.; Goto, Y.; Yokosawa, K.

In: Sensors and Actuators, B: Chemical, Vol. 114, No. 1, 30.03.2006, p. 158-163.

Research output: Contribution to journalArticle

Tsukada, Keiji ; Kiwa, Toshihiko ; Yamaguchi, T. ; Migitaka, S. ; Goto, Y. ; Yokosawa, K. / A study of fast response characteristics for hydrogen sensing with platinum FET sensor. In: Sensors and Actuators, B: Chemical. 2006 ; Vol. 114, No. 1. pp. 158-163.
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