An ultra-sensitive hydrogen gas sensor using reduced graphene oxide-loaded ZnO nanofibers
Zain Ul Abideen1, Hyoun Woo Kim, Sang Sub Kim
1Department of Materials Science and Engineering, Inha University, 100 Inha-ro, Nam-gu, Incheon 402-751, Republic of Korea. sangsub@inha.ac.kr.
Abstract:
We developed a hydrogen sensor of reduced graphene oxide-loaded ZnO nanofibers. An extremely high response of about 866 at a low concentration of 100 ppb was obtained. The combined effect of the presence of rGO nanosheets and hydrogen-induced metallization of ZnO played a crucial role in enhancing the detection behavior.
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