Development of High Sensitivity Humidity Sensor Based on Gray TiO2/SrTiO3 Composite
Zhang, M (Zhang, Min); Wei, SH (Wei, Shunhang); Ren, W (Ren, Wei); Wu, R (Wu, Rong)
2017
Source PublicationSENSORS
Volume17Issue:6
AbstractA gray TiO2/SrTiO3 composite nanocrystalline sensor with narrow band-gap was successfully prepared through a facile wet chemical method. The precursor was calcined in N-2 flow under atmospheric pressure and thereafter, a humidity sensor based on the composite was fabricated. The sensor showed high resistive sensitivity and varied by more than four orders of magnitude with an increase in relative humidity (RH) from 11% to 95%. The response and recovery time were about 3.1 s and 76 s, respectively with maximum hysteresis at 1% RH. In comparison with pure SrTiO3 and black TiO2, the gray composite based device exhibits a higher sensitivity. These results demonstrate the potential of gray TiO2/SrTiO3 for humidity sensing applications.
KeywordHumidity Sensor Gray Tio2/srtio3 Composite Semiconductor
DOI10.3390/s17061310
Indexed BySCI
WOS IDWOS:000404553900126
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/4834
Collection新疆维吾尔自治区电子信息材料与器件重点实验室
Affiliation1.Xinjiang Univ, Sch Phys Sci & Technol, Urumqi 830046, Peoples R China
2.Tongji Univ, Sch Chem Sci & Engn, Shanghai Key Lab Chem Assessment & Sustainabil, 1239 Siping Rd, Shanghai 200092, Peoples R China
3.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Xinjiang Key Lab Elect Informat Mat & Devices, Urumqi 830011, Peoples R China
Recommended Citation
GB/T 7714
Zhang, M ,Wei, SH ,Ren, W ,et al. Development of High Sensitivity Humidity Sensor Based on Gray TiO2/SrTiO3 Composite[J]. SENSORS,2017,17(6).
APA Zhang, M ,Wei, SH ,Ren, W ,&Wu, R .(2017).Development of High Sensitivity Humidity Sensor Based on Gray TiO2/SrTiO3 Composite.SENSORS,17(6).
MLA Zhang, M ,et al."Development of High Sensitivity Humidity Sensor Based on Gray TiO2/SrTiO3 Composite".SENSORS 17.6(2017).
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