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Oxygen-Sensitive Layered MoTe2 Channels for Environmental Detection.
Yang, Shih-Hsien; Lin, Che-Yi; Chang, Yuan-Ming; Li, Mengjiao; Lee, Ko-Chun; Chen, Ciao-Fen; Yang, Feng-Shou; Lien, Chen-Hsin; Ueno, Keiji; Watanabe, Kenji; Taniguchi, Takashi; Tsukagoshi, Kazuhito; Lin, Yen-Fu.
Afiliación
  • Yang SH; International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics , Shenzhen University , Shenzhen 518060 , China.
  • Lin CY; Department of Electrophysics , National Chiao Tung University , Hsinchu 30010 , Taiwan.
  • Lee KC; Department of Electrical Engineering and Institute of Electronic Engineering , National Tsing Hua University , Hsinchu 30010 , Taiwan.
  • Yang FS; Department of Electrical Engineering and Institute of Electronic Engineering , National Tsing Hua University , Hsinchu 30010 , Taiwan.
  • Lien CH; Department of Electrical Engineering and Institute of Electronic Engineering , National Tsing Hua University , Hsinchu 30010 , Taiwan.
  • Ueno K; Department of Chemistry, Graduate School of Science and Engineering , Saitama University , Saitama 338-8570 , Japan.
ACS Appl Mater Interfaces ; 11(50): 47047-47053, 2019 Dec 18.
Article en En | MEDLINE | ID: mdl-31746187
ABSTRACT
The oxygen (O2)-dependent resistance change of multilayered molybdenum ditelluride (MoTe2) channels was characterized. A variation of the channel resistance could reproducibly determine relative O2 content (denoted as the O2 index). We found that Joule heating in a layered MoTe2 field-effect transistor caused the O2 index to decrease drastically from 100 to 12.1% in back gate modulation. Furthermore, Joule heating caused effective O2 desorption from the MoTe2 surface and repeatable O2 detection by multilayered MoTe2 channels was realized. This work not only explored the influence of O2 on the electrical properties of multilayered MoTe2 channels but also revealed that MoTe2 channels are promising for sensing O2 in an environmental condition.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Diagnostic_studies Idioma: En Revista: ACS Appl Mater Interfaces Asunto de la revista: BIOTECNOLOGIA / ENGENHARIA BIOMEDICA Año: 2019 Tipo del documento: Article País de afiliación: China
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Diagnostic_studies Idioma: En Revista: ACS Appl Mater Interfaces Asunto de la revista: BIOTECNOLOGIA / ENGENHARIA BIOMEDICA Año: 2019 Tipo del documento: Article País de afiliación: China