Humidity Sensing Properties of Flower-Like VO2(B) and VO2(M) Nanostructures

VO2(B) nanoflowers were synthesized via hydrothermal method, and VO2(M) nanoflowers were obtained through heat‐transformation. Two sensors based on VO2(B) and VO2(M) nanoflowers were fabricated and their humidity characteristics were studied. It was found that these sensors exhibited fast response a...

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Published inElectroanalysis (New York, N.Y.) Vol. 23; no. 7; pp. 1752 - 1758
Main Authors Yin , Haihong, Yu, Ke, Zhang, Zhengli, Zeng, Min, Lou, Lei, Zhu, Ziqiang
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag 01.07.2011
WILEY‐VCH Verlag
Subjects
Humidity sensing
Nanostructures
Vanadium dioxide
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Summary:VO2(B) nanoflowers were synthesized via hydrothermal method, and VO2(M) nanoflowers were obtained through heat‐transformation. Two sensors based on VO2(B) and VO2(M) nanoflowers were fabricated and their humidity characteristics were studied. It was found that these sensors exhibited fast response and recovery, perfect reproducibility and good stability. The VO2(M) type sensor is more sensitive at high RH and can be used for high humidity detection. On the contrary, the VO2(B) type sensor has a higher sensitivity at low RH, and can be used for low humidity detection, which is difficult for humidity sensors based on many other semiconductor oxides.
Bibliography:Program for Changjiang Scholars and Innovative Research Team in University (PCSIRT)
istex:9009B9A48FE19980C538A5635792C9A3181AD32F
Key Basic Research Project of Scientific and Technology Committee of Shanghai - No. 09DJ1400200
NSF of China - No. 60976014, 60976004 and 11074075
ark:/67375/WNG-Z6QSLR8P-M
ArticleID:ELAN201100129
ISSN:1040-0397
1521-4109
DOI:10.1002/elan.201100129