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Metal-organic framework-derived oxygen-rich vacancies and porous TiO2 nanotablets for hydrogen detection with high response at room temperature
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PRE
AI
张
J
B
C
刘
H
DOI：10.1016/j.snb.2024.135471.png)
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Abstract
En 中文
In this work, porous TiO2 nanotablets with rich oxygen vacancies were synthesized by thermal decomposition of MIL -125, and their hydrogen gas sensing performance has been investigated for the first time. In comparison with TiO2 microparticles prepared by the traditional sol-gel method, the metal-organic framework-derived porous TiO2 nanotablets have a larger specific surface area and oxygen vacancies, which can significantly boost hydrogen at room temperature. Furthermore, the gas-sensing mechanism of the MOFs-derived TiO2 nanotablets is well unraveled by experimental results and density functional theory (DFT) calculations. This study would provide a new perspective on TiO2-based nanomaterials for hydrogen detecting at room temperature.
Keywords:
MOF
TiO2
Hydrogen
Gas sensor
Oxygen vacancies
DFT
Journal
IF:
7.7
Papers:
3.3W
Citations:
12.6W
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