期刊
CRYSTENGCOMM
卷 13, 期 20, 页码 6077-6081出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1ce05320e
关键词
-
资金
- National Natural Science Foundation of China [20971070, 21073095]
- MOE [RT0927]
SnO2 nanocrystals with diameters of 2.5-4.1 nm were successfully synthesized by a facile hydrothermal method. The as-synthesized SnO2 nanocrystals were characterized by X-ray diffraction (XRD), scanning electronic microscopy (SEM), transmission electronic microscopy (TEM) and high-resolution transmission electronic microscopy (HR-TEM) and nitrogen adsorption. Moreover, it was found that acetic acid played a crucial role in determining the dispersion and crystal size of the SnO2 samples. In addition, the as-synthesized SnO2 nanocrystals not only displayed excellent gas-sensing properties such as very fast response and recovery speed, excellent repeatability and good selectivity, but also high discharging capacity and good cycling performance in lithium ion batteries.
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