Biotemplate synthesis of SnO2 hollow porous structures for enhanced isopropanol sensing performance

Researchers are showing significant interest in the development of nanostructures with hierarchical porosity. This study introduces an eco-friendly, cost-effective, and straightforward method to create SnO2 hollow porous nanostructures using the peony as a biotemplate. A comprehensive analysis of th...

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Published in:Colloids and surfaces. A, Physicochemical and engineering aspects Physicochemical and engineering aspects, 2024-11, Vol.701, p.134967, Article 134967
Main Authors: Du, Liyong, Guan, Xin, Hao, Liping, Liu, Yi, Sun, Heming
Format: Article
Language:English
Subjects:
Biotemplate
Gas sensor
Hollow porous structure
Isopropanol
SnO2
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container_start_page 134967
container_title Colloids and surfaces. A, Physicochemical and engineering aspects
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creator Du, Liyong
Guan, Xin
Hao, Liping
Liu, Yi
Sun, Heming
description Researchers are showing significant interest in the development of nanostructures with hierarchical porosity. This study introduces an eco-friendly, cost-effective, and straightforward method to create SnO2 hollow porous nanostructures using the peony as a biotemplate. A comprehensive analysis of the gas sensing characteristics of these hierarchical SnO2 hollow porous nanostructures is conducted. The results show that the gas sensor based on SnO2 showcases relatively high response values measuring 18.3 and exhibits rapid response speed of 1 s to 100 ppm isopropanol, even at a comparably low operating temperature of 180 °C. Additionally, the sensor displays good repeatability and long-term stability, which can be attributed to the inherent advantages stemming from its distinct structure. Therefore, this study provides experimental and theoretical foundations for the potential application of hollow porous SnO2 structures in sensor technology. [Display omitted]
doi_str_mv 10.1016/j.colsurfa.2024.134967
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subjects Biotemplate
Gas sensor
Hollow porous structure
Isopropanol
SnO2
title Biotemplate synthesis of SnO2 hollow porous structures for enhanced isopropanol sensing performance
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