MoV2O8 nanorod, triethylamine gas sensor based on MoV2O8 nanorod as well as preparation method and application of triethylamine gas sensor
MoV2O8 nanorod material was prepared through hydrothermal reaction and high-temperature calcination, which was used to prepare triethylamine gas sensors, which solved the problems of high working temperature, low sensitivity and poor selectivity of existing sensors, and achieved detection effects of high sensitivity, low energy consumption and excellent selectivity.
CN119706932APending Publication Date: 2025-03-28HENAN UNIVERSITY OF TECHNOLOGY
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Patent Information
- Application Number
- CN202411915229.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-03-28
AI Technical Summary
Technical Problem
The existing triethylamine gas sensors have high operating temperature, low sensitivity and poor selectivity, which have high energy consumption problems, and are not outstanding in selectivity for humidity and other gases.
Method used
MoV2O8 nanorod material was prepared by hydrothermal reaction combined with high temperature calcination, as a gas-sensitive material layer, and used to prepare a triethylamine gas sensor based on MoV2O8.
Benefits of technology
It achieves high sensitivity, low operating temperature, excellent selectivity and wide application potential, reduces energy consumption and improves the detection capability of TEA.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention discloses a MoV2O8 nanorod, a triethylamine gas sensor based on the MoV2O8 nanorod and a preparation method and application of the MoV2O8 nanorod, and relates to the technical field of gas sensitive materials, the preparation method of the MoV2O8 nanorod comprises the following steps: S1, respectively dissolving molybdenum acetylacetonate and vanadium acetylacetonate in acetic acid, and mixing after ultrasonic treatment to obtain a mixed solution I; s2, carrying out a hydrothermal reaction on the mixed solution I at 180-220 DEG C, and naturally cooling to room temperature to obtain a mixed solution II; s3, performing centrifugal separation on the precipitate in the mixed solution II, and performing cleaning and freeze drying to obtain a MoV2O8 nanorod precursor; and S4, calcining the MoV2O8 nanorod precursor at the temperature of between 540 and 560 DEG C, so as to obtain the MoV2O8 nanorod. The triethylamine gas sensor based on the MoV2O8 nanorod comprises a ceramic tube carrier substrate and a gas sensitive material layer coated on the ceramic tube carrier substrate, the gas sensitive material layer is formed by coating the MoV2O8 nanorod, and the triethylamine gas sensor based on the MoV2O8 has high sensitivity, low working temperature, excellent selectivity and wide application potential.
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