title: The facet selectivity of inorganic ions on silver nanocrystals in etching reactions.
abstract: The facet selectivity of the halide ions and chlorauric acid for several shaped silver nanocrystals is presented in this paper. Two inorganic ions show different representations when they are used for etching silver nanocrystals in the self-sacrificial template reaction. The morphological changes of the silver nanocrystals indicate that the halide ions prefer to etch the (110) facets of silver nanocrystals, while in the chlorauric acid etching reaction, gold first modifies the (110) facets and then lets chlorauric acid etch the (111) facets instead. The selective facet etching on individual nanoparticles in the solution phase has crucial significance in the control-synthesis of nanocrystals and the facet asymmetric reaction.
authors.affiliation: State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, People's Republic of China.
authors.forename: Shuping
authors.initials: S
authors.lastname: Xu
authors.forename: Bin
authors.initials: B
authors.lastname: Tang
authors.forename: Xianliang
authors.initials: X
authors.lastname: Zheng
authors.forename: Ji
authors.initials: J
authors.lastname: Zhou
authors.forename: Jing
authors.initials: J
authors.lastname: An
authors.forename: Xiaohua
authors.initials: X
authors.lastname: Ning
authors.forename: Weiqing
authors.initials: W
authors.lastname: Xu
mesh_terms: D053768:Metal Nanoparticles / Q000737:chemistry* / Q000648:ultrastructure*; D046529:Microscopy, Electron, Transmission; D036103:Nanotechnology / Q000379:methods*; D012834:Silver / Q000737:chemistry*
chemical_list: D012834:Silver