Rational design of semiconductor metal oxide nanomaterials for gas sensing by template-assisted synthesis: a survey

Yuanyang XUN; Siqi LI; Feiyu ZHANG; Yan HONG; Ke XU; Ligang CHEN; Song LIU; Bin LI

doi:10.1631/FITEE.2200552

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Rational design of semiconductor metal oxide nanomaterials for gas sensing by template-assisted synthesis: a survey

Regular Papers | Updated：2023-07-24

- Rational design of semiconductor metal oxide nanomaterials for gas sensing by template-assisted synthesis: a survey
  Enhanced Publication
- 模板辅助合成半导体金属氧化物气敏纳米材料的合理设计：综述
- Frontiers of Information Technology & Electronic Engineering Vol. 24, Issue 7, Pages: 945-963(2023)
- Affiliations：
  
  MOE Key Laboratory of Forest Plant Ecology, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, China
- Author bio：
  
  ‡Corresponding author
  carlosliusong@nefu.edu.cn
  libinzh62@163.com
- Funds：
- DOI：10.1631/FITEE.2200552
  CLC： X831; TP212
- Published：0 July 2023，
  
  Received：08 November 2022，
  
  Revised：22 February 2023，
- Accepted：
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YUANYANG XUN, SIQI LI, FEIYU ZHANG, et al. Rational design of semiconductor metal oxide nanomaterials for gas sensing by template-assisted synthesis: a survey. [J]. Frontiers of information technology & electronic engineering, 2023, 24(7): 945-963.
DOI：

YUANYANG XUN, SIQI LI, FEIYU ZHANG, et al. Rational design of semiconductor metal oxide nanomaterials for gas sensing by template-assisted synthesis: a survey. [J]. Frontiers of information technology & electronic engineering, 2023, 24(7): 945-963. DOI： 10.1631/FITEE.2200552.

摘要

由于城市化和工业化的快速建设所带来的气体污染，气体传感器受到广泛关注。基于半导体金属氧化物（SMO）的气体传感器具有响应高、重复性好、稳定性好、性价比高等优点，已成为气体传感器领域极其重要的元器件。通常，具有规则结构和可控形态的材料表现出更稳定且可重复的性能。然而，由于微观世界的不可控性，在材料合成过程中纳米材料往往表现出不规则、不均匀等缺点。因此，具有规整结构的一维（1D）结构、二维（2D）结构和三维（3D）结构的气敏材料的合成受到广泛关注。为了定向获得具有理想形貌和尺寸的结构规整的纳米材料，低成本且操作简洁可控的模板辅助合成法是一种非常有效的策略。本文介绍了一维、二维和三维结构的SMO传感器的形貌和性能，讨论了各种形貌对气体传感器性能（响应和稳定性）的影响，为结构稳定、性能优异的气敏材料的合成提供了新的思路。

Abstract

Gas sensors have received extensive attention because of the gas pollution caused by rapid construction of urbanization and industrialization. Gas sensors based on semiconductor metal oxide (SMO) have the advantages of high response

excellent repeatability

stability

and cost-effectiveness

and have become extremely important components in the gas sensor field. Materials with regular structures and controllable morphology exhibit more consistent and repeatable performance. However

during the process of material synthesis

because of the uncontrollability of the microcosm

nanomaterials often show irregularities

unevenness

and other shortcomings. Thus

the synthesis of gas sensors with well-aligned one-dimensional (1D) structures

two-dimensional (2D) layered structures

and three-dimensional (3D) hierarchical structures has received extensive attention. To obtain regular structured nanomaterials with desired morphologies and dimensions

a template-assisted synthesis method with low cost and controllable process seems a very efficient strategy. In this review

we introduce the morphology and performance of SMO sensors with 1D

and 3D structures

discuss the impact of a variety of morphologies on gas sensor performance (response and stability)

and shed new light on the synthesis of gas sensing materials with stable structure and excellent performance.

关键词

气体传感器化学式电阻器模板法纳米结构维度

Keywords

Gas sensorsChemi-resistorsTemplate-assisted methodsNanostructureDimension

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