Synthesis of Tin Dioxide Octahedral Nanoparticles with Exposed High‐Energy {221} Facets and Enhanced Gas‐Sensing Properties | Zendy

Han Xiguang | Zendy; Jin Mingshang | Zendy; Xie Shuifen | Zendy; Kuang Qin | Zendy; Jiang Zhiyuan | Zendy; Jiang Yaqi | Zendy; Xie Zhaoxiong | Zendy; Zheng Lansun | Zendy

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Synthesis of Tin Dioxide Octahedral Nanoparticles with Exposed High‐Energy {221} Facets and Enhanced Gas‐Sensing Properties

Author(s) -

Han Xiguang,

Jin Mingshang,

Xie Shuifen,

Kuang Qin,

Jiang Zhiyuan,

Jiang Yaqi,

Xie Zhaoxiong,

Zheng Lansun

Publication year - 2009

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200903926

Subject(s) - nanoparticle , octahedron , hydrothermal circulation , dangling bond , tin dioxide , energy (signal processing) , nanotechnology , materials science , surface energy , tin , surface (topology) , chemical engineering , computer science , crystallography , chemistry , physics , optoelectronics , crystal structure , composite material , metallurgy , geometry , engineering , mathematics , quantum mechanics , silicon

Selective exposure of high‐energy {221} facets with many surface dangling bonds, (111) terraces, and (110) steps (bottom picture) at the surface of octahedral SnO 2 nanoparticles (top) through a simple hydrothermal synthesis route gives them enhanced gas‐sensing performance over particles with other shapes, whereby the sensing activity is proportional to the fraction of {221} facets among the exposed surfaces.

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