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http://dx.doi.org/10.4313/JKEM.2018.31.2.69

PEDOT:PSS and Graphene Oxide Composite Hydrogen Gas Sensor  

Maeng, Sunglyul (Department of Electrical and Electronic Engineering, Woosuk University)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.31, no.2, 2018 , pp. 69-73 More about this Journal
Abstract
The power law is very important in gas sensing for the determination of gas concentration. In this study, the resistance of a gas sensor based on poly (3, 4-ethylenedioxythiophene) polystyrene sulfonate+graphene oxide composite was found to exhibit a power law dependence on hydrogen concentration at $150^{\circ}C$. Experiments were carried out in the gas concentration range of 30~180 ppm at which the sensor showed a sensitivity of 6~9% with a response and recovery time of 30s.
Keywords
PEDOT:PSS; Graphene oxide; Hydrogen gas sensor; PEDOT:PSS and graphene oxide composite; Power law;
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