Long-life planar oxygen sensor

Yuji Miyahara, Keiji Tsukada, Yoshio Watanabe, Yasuhisa Shibata

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

A planar amperometric oxygen sensor has been developed using a printing method for an Ag anode and a four-layered structure for an electrolyte solution. The sensor consists of four glass substrates stuck together by epoxy resin. A Pt cathode and an Ag anode are deposited on one of these glass substrates by r.f. sputtering and by printing, respectively. An internal electrolyte solution is enclosed in the structure and sealed off by an oxygen-permeable membrane. A linear relationship is obtained between the reduction current and the partial pressure of oxygen in the range 0-600 mmHg. The current at an oxygen pressure of 100 mmHg is stable for more than 2000 h. The amount of Ag anode patterned by the printing method is found to be sufficient for continuous long-term use. Based on methods and structures similar to those described in this paper, it should be possible to fabricate miniaturized oxygen sensors and biosensors.

Original languageEnglish
Pages (from-to)89-94
Number of pages6
JournalSensors and Actuators, B: Chemical
Volume20
Issue number2-3
DOIs
Publication statusPublished - 1994
Externally publishedYes

Fingerprint

Oxygen sensors
Printing
Anodes
Electrolytes
printing
sensors
Oxygen permeable membranes
oxygen
anodes
Amperometric sensors
Oxygen
Epoxy Resins
Glass
Substrates
Biosensors
Epoxy resins
Partial pressure
Sputtering
electrolytes
Cathodes

ASJC Scopus subject areas

  • Analytical Chemistry
  • Electrochemistry
  • Electrical and Electronic Engineering

Cite this

Long-life planar oxygen sensor. / Miyahara, Yuji; Tsukada, Keiji; Watanabe, Yoshio; Shibata, Yasuhisa.

In: Sensors and Actuators, B: Chemical, Vol. 20, No. 2-3, 1994, p. 89-94.

Research output: Contribution to journalArticle

Miyahara, Yuji ; Tsukada, Keiji ; Watanabe, Yoshio ; Shibata, Yasuhisa. / Long-life planar oxygen sensor. In: Sensors and Actuators, B: Chemical. 1994 ; Vol. 20, No. 2-3. pp. 89-94.
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