An ultra-sensitive hydrogen gas sensor using reduced graphene oxide-loaded ZnO nanofibers.
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.
Department of Materials Science and Engineering, Inha University, 100 Inha-ro, Nam-gu, Incheon 402-751, Republic of Korea. sangsub@inha.ac.kr.
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Ul Abideen
Hyoun Woo
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Kim
Sang Sub
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Kim