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Keywords = GO-MoTe2

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Article
Printable and Flexible Humidity Sensor Based on Graphene -Oxide-Supported MoTe2 Nanosheets for Multifunctional Applications
by Lei Ni, Xiaoyu Li, Fangkai Cai, Zhicheng Dong, Yuhong Deng, Tao Jiang, Zhengyang Su, Hao Chang, Zhongwen Zhang and Yang Luo
Nanomaterials 2023, 13(8), 1309; https://doi.org/10.3390/nano13081309 - 7 Apr 2023
Cited by 16 | Viewed by 3564
Abstract
This study focuses on a novel humidity sensor composed of graphene-oxide (GO)-supported MoTe2 nanosheets. Conductive Ag electrodes were formed on PET substrates by inkjet printing. A thin film of GO-MoTe2 was deposited on the Ag electrode used for adsorbing humidity. The [...] Read more.
This study focuses on a novel humidity sensor composed of graphene-oxide (GO)-supported MoTe2 nanosheets. Conductive Ag electrodes were formed on PET substrates by inkjet printing. A thin film of GO-MoTe2 was deposited on the Ag electrode used for adsorbing humidity. The experiment’s results demonstrate that MoTe2 are attached to GO nanosheets uniformly and tightly. The capacitive output of the sensors with various ratios of GO/MoTe2 has been tested for different levels of humidity (11.3–97.3%RH) at room temperature (25 °C). As a consequence, the obtained hybrid film exhibits superior sensitivity (94.12 pF/%RH). The structural integrity and interaction of different components were discussed to afford the prominent humidity sensitivity performance. Under the bending condition, the output curve of the sensor has no obvious fluctuation. This work provides a low-cost way to build flexible humidity sensors with high-performance in environmental monitoring and healthcare. Full article
(This article belongs to the Special Issue Advanced Nanocomposites for Sensing Applications)
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