Subsecond Response of Humidity Sensor Based on Graphene Oxide Quantum Dots

Humidity sensors based on graphene oxide quantum dots (QDs-GO) with rapid response were developed. Results proved that these QD-GO-based sensors exhibit a subsecond response. The effect of film thickness on response time was discussed. The possible theory of intersection density was proposed to expl...

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Bibliographic Details
Published in:IEEE electron device letters 2015-06, Vol.36 (6), p.615-617
Main Authors: Li, Ning, Chen, Xiang-Dong, Chen, Xin-Peng, Ding, Xing, Li, Xiao-Yu
Format: Article
Language:English
Subjects:
Graphene
graphene oxide quantum dots
Humidity
humidity sensor
intersection
Monitoring
Quantum dots
Robot sensing systems
subsecond response
Time factors
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Summary:Humidity sensors based on graphene oxide quantum dots (QDs-GO) with rapid response were developed. Results proved that these QD-GO-based sensors exhibit a subsecond response. The effect of film thickness on response time was discussed. The possible theory of intersection density was proposed to explain the rapid response behavior of QD-GO based humidity sensors. This letter demonstrated that QD-GO based sensors may have various applications, such as human breath monitoring.
ISSN:0741-3106
1558-0563
DOI:10.1109/LED.2015.2425413