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Small. 2014 Apr 9;10(7):1394-402. doi: 10.1002/smll.201302656. Epub 2013 Nov 18.

Controlled synthesis of kinked ultrathin ZnS nanorods/nanowires triggered by chloride ions: a case study.

Author information

1
Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Suzhou Nano Science and Technology, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, PR China.

Abstract

Colloidal synthesis of kinked ultrathin ZnS nanorods/nanowires with mixed phases using tiny Ag2S nanocrystals as catalysts is reported. It is found that chloride ions can induce the controlled morphology transition from straight to kinking. The synthetic parameters modulating the growth of kinked ZnS nanorods/nanowires are systematically investigated. Chloride ions introduced in the reaction can generate more proportion of wurtzite phase by slowing the nucleation and growth rates during the growth of one-dimensional (1D) ZnS nanorods/nanowires. The formation of kinked morphology is responsible for the increased domains of mixed stacking and twinning in single 1D nanostructures. The present recipe on controlled synthesis of 1D kinked nanorods/nanowires provides a model of crystal growth control, and these unique 1D nanostructures may also offer new opportunities to fabricate nanodevices with special functions.

KEYWORDS:

ZnS; chloride ions; kinking; shape control; ultrathin nanorods/nanowires

PMID:
24243682
DOI:
10.1002/smll.201302656

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