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Synthesis of Tin Dioxide Nanooctahedra with Exposed High‐Index {332} Facets and Enhanced Selective Gas Sensing Properties
Author(s) -
Han Xiguang,
Li Liang,
Wang Chao
Publication year - 2012
Publication title -
chemistry – an asian journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.18
H-Index - 106
eISSN - 1861-471X
pISSN - 1861-4728
DOI - 10.1002/asia.201200116
Subject(s) - tin , tin dioxide , dangling bond , hydrochloric acid , hydrothermal circulation , octahedron , materials science , inorganic chemistry , chemical engineering , chemistry , nanotechnology , crystal structure , crystallography , metallurgy , silicon , engineering
High and mighty : Octahedral SnO 2 particles bound by high‐index {332} facets were synthesized by a simple hydrothermal route using SnCl 2 ⋅5 H 2 O as the tin salt with the assistance of hydrochloric acid and poly(vinylpyrrolidone). These particles show excellent selective gas sensing performance because they have large numbers of dangling bonds on their surfaces.