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Liquid-Phase Epitaxial Growth of Two-Dimensional Semiconductor Hetero-nanostructures.
- Source :
- Angewandte Chemie International Edition; Feb2015, Vol. 54 Issue 6, p1841-1845, 5p
- Publication Year :
- 2015
-
Abstract
- Although many two-dimensional (2D) hybrid nanostructures are being prepared, the engineering of epitaxial 2D semiconductor hetero-nanostructures in the liquid phase still remains a challenge. The preparation of 2D semiconductor hetero-nanostructures by epitaxial growth of metal sulfide nanocrystals, including CuS, ZnS and Ni<subscript>3</subscript>S<subscript>2</subscript>, is achieved on ultrathin TiS<subscript>2</subscript> nanosheets by a simple electrochemical approach by using the TiS<subscript>2</subscript> crystal and metal foils. Ultrathin CuS nanoplates that are 50-120 nm in size and have a triangular/hexagonal shape are epitaxially grown on TiS<subscript>2</subscript> nanosheets with perfect epitaxial alignment. ZnS and Ni<subscript>3</subscript>S<subscript>2</subscript> nanoplates can be also epitaxially grown on TiS<subscript>2</subscript> nanosheets. As a proof-of-concept application, the obtained 2D CuS-TiS<subscript>2</subscript> composite is used as the anode in a lithium ion battery, which exhibits a high capacity and excellent cycling stability. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 14337851
- Volume :
- 54
- Issue :
- 6
- Database :
- Complementary Index
- Journal :
- Angewandte Chemie International Edition
- Publication Type :
- Academic Journal
- Accession number :
- 100765793
- Full Text :
- https://doi.org/10.1002/anie.201410890