Journal
NANO LETTERS
Volume 11, Issue 7, Pages 2983-2988Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl2015747
Keywords
ZnS; nanotetrapod; quantitative TEM; anisotropic growth
Categories
Funding
- National Natural Science Foundation of China [50971011, 50902007]
- Beijing Natural Science Foundation [1102025]
- Research Fund for the Doctoral Program of Higher Education of China [20091102110038]
- Innovation Foundation of BUAA for PhD Graduates
- Centre for Research on Adaptive Nanostructures and Nanodevices (CRANN), School of Physics (TCD) Science Foundation Ireland [07/SK/I1220a]
- INSPIRE
- SFI [08/CE/I1432]
- SFI IRCSET
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ZnS nanotetrapods were investigated by atom-resolved microscopy characterization and quantitative simulation. The octahedron core enclosed with Zn- and S-terminated surfaces was verified. Four hexaprism-shaped arms were selectively grown from Zn-terminated surfaces of the core by alternately stacking zinc blende and wurtzite structures. The stacking order change at the core/arm interface is significant to activate the arm growth. The anisotropic growth mechanism was proposed and further proved by the synthesis of ZnS nanoparticles and nanobelts.
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