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Citation: Li Wenfan, Liu Xiuying. PREPARATION OF ROOM TEMPERATURE SnO₂-α-Fe₂O₃ GAS SENSOR[J]. Chinese Journal of Applied Chemistry, ;1993, 10(1): 116-117. shu

PREPARATION OF ROOM TEMPERATURE SnO₂-α-Fe₂O₃ GAS SENSOR

Li Wenfan ,
Liu Xiuying

1.
Changchun Institute of Applied Chemistry, Academia Sinica, 130022 Changchun

Received Date: 6 January 1992
Available Online: 24 November 1992

A room temperature gas sensor has been prepared from SnO₂-α-Fe₂O₃ without doping of noble metals. The sensor has a large specific surface area and higher sensitivity for H₂, coal gas and LPG, but insensitive to CO and CH₄. Its response time is about 25 seconds, recovery time is about 21 seconds, and energy consumption of 0.1 W.
- SnO₂,
- α-Fe₂O₃,
- gas sensor,
- preparation
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PREPARATION OF ROOM TEMPERATURE SnO₂-α-Fe₂O₃ GAS SENSOR