期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 134, 期 6, 页码 2872-2875出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja209991z
关键词
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资金
- National Research Foundation
- Korean Government through World Class University [R32-20031]
- Korea Research Foundation [KRF-2007-311-D00367]
- Fusion Research Program for Green Technologies [2011-0000004]
- National Research Foundation of Korea [R32-2012-000-20031-0, 2010-0019086] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Ultrathin (4-6 nm) single-crystal Bi2Se3 nanodiscs and nanosheets were synthesized through a simple and quick solution process. The growth mechanism was investigated in detail. Crystal seeds grew via 2D self-attachment of small nanoparticles followed by epitaxial recrystallization into single crystals. The lateral dimension of the nanodiscs increased and their shape changed from circles to hexagons as the reaction temperature increased. Positively charged polymer surfactants greatly enlarged the lateral dimension to produce nanosheets with uniform thickness.
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