Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 116, Issue 41, Pages 21717-21726Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp308077a
Keywords
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Funding
- National Research Foundation of Korea (NRF)
- Korea government (MEST) [2012-0008669, 2011-0030300, 2012R1A2A2A01045382]
- Global Frontier R Program on Center for Multiscale Energy System
- National Research Foundation under the Ministry of Education, Science, and Technology, Korea [2011-0031574]
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High-quality, single-crystalline Sb-doped SnO2 (ATO) nanobelts (NBs) surrounded by very thin and short TiO2 rutile nanorods were synthesized by thermal evaporation followed by chemical bath deposition. An epitaxial relationship between ATO NBs and rutile-phase TiO2 nanorods was clearly demonstrated on the basis of a crystallographic approach through high-resolution transmission electron microscopy analysis. Furthermore, the ATO@TiO2 heteronanostructures as anodes for Li ion batteries showed enhanced cycling stability and superior rate capabilities. These improved electrochemical performances were attributed to beneficial geometrical, structural, and doping effects such as alleviation of volume expansion, epitaxial growth, and high electronic conductivity.
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