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<p>SnO<sub>2</sub> is an important n-type semiconductor gas-sensing material; particularly, the one-dimensional (1D) SnO<sub>2</sub> nanostructure with different morphologies has attracted extensive attention from researchers in sensing field due to its extremely large length-to-diameter ratio, special porous nanoparticle packing structure, electron confinement effect and high electron mobility. This paper summarizes the study of 1D SnO<sub>2</sub> gas-sensing material in recent years, briefly introduces its crystal structure and gas-sensing mechanism, mainly summarizes the preparation methods and gas-sensing research results of several typical 1D nanostructures and then points out their modification direction. Finally, a future outlook on further progress of 1D SnO<sub>2</sub> nanostructure-based gas sensor is suggested.</p>

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Review: Modulation preparation and performance optimization of one-dimensional SnO2 gas sensitive nanomaterials

  • 期刊论文

  • 发表日期：

    2026年4月2日

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  • Chengbao Gao,
  • Xingqi Song,
  • Tongtong Cheng,
  • Ying Zhou,
  • Xinghui Hou

摘要

SnO2 is an important n-type semiconductor gas-sensing material; particularly, the one-dimensional (1D) SnO2 nanostructure with different morphologies has attracted extensive attention from researchers in sensing field due to its extremely large length-to-diameter ratio, special porous nanoparticle packing structure, electron confinement effect and high electron mobility. This paper summarizes the study of 1D SnO2 gas-sensing material in recent years, briefly introduces its crystal structure and gas-sensing mechanism, mainly summarizes the preparation methods and gas-sensing research results of several typical 1D nanostructures and then points out their modification direction. Finally, a future outlook on further progress of 1D SnO2 nanostructure-based gas sensor is suggested.