期刊
NANO LETTERS
卷 13, 期 1, 页码 207-212出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl303889h
关键词
Mesoporous carbon nanospheres; hollow nanospheres; yolk-shell; silica-assisted; supercapacitors
类别
资金
- Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences, US Department of Energy [DE-AC05-00OR22725]
- Oak Ridge National Laboratory by the Scientific User Facilities Division, Office of Basic Energy Sciences, U.S. Department of Energy
- Materials Sciences and Engineering Division, Office of Basic Energy Sciences, U.S. Department of Energy
- UT-Battelle, LLC (GMV-XPS)
We have established a facile and generalizable silica-assisted synthesis for diverse carbon spheres-a category that covers mesoporous carbon nanospheres, hollow mesoporous carbon nanospheres, and yolk-shell mesoporous carbon nanospheres-by using phenolic resols as a polymer precursor, silicate oligomers as an inorganic precursor, and hexadecyl trimethylammoniumchloride as a template. The particle sizes of the carbon nanospheres are uniform and easily controlled in a wide range of 180-850 nm by simply varying the ethanol concentrations. All three types of mesoporous carbon nanospheres have high surface areas and large pore volumes and exhibit promising properties for supercapacitors with high capacitance and favorable capacitance retention.
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