期刊
NEW JOURNAL OF CHEMISTRY
卷 39, 期 11, 页码 8780-8786出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5nj01722j
关键词
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资金
- '973' project [2012CB933301]
- '863' project [2011AA050526]
- National Natural Science Foundation of China [20905038, 20903057, 61274065]
- Natural Science Foundation of Jiangsu [BK20141424]
- Program of Nanjing University of Posts and Telecommunications [NY214088]
- State Key Laboratory of Bioelectronics, Southeast University [I2015010]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- Ministry of Education of China [IRT1148]
Novel nanoflake-like and nanobelt-like alpha-MoO3/graphene nanocomposites were synthesized by a facile hydrothermal method through tailoring the content of Mo source. The formation mechanisms of alpha-MoO3/graphene nanocomposites with different morphologies has been investigated. As a model, the alpha-MoO3/graphene nanocomposites were studied for electrochemical energy storage supercapacitor devices. The results showed that alpha-MoO3 nanoflakes/graphene displayed better supercapacitive performances than that of alpha-MoO3 nanobelts/graphene, arising from the structural superiority and optimum compositions. The best composite exhibited a high specific capacitance (up to 360 F g(-1)) at a current density of 0.2 A g(-1), good rate capability, and a nearly 100% long-term cycle stability. This study provided a facile and optimal experimental design to prepare alpha-MoO3/graphene composite materials which act as promising electrode materials for high-performance supercapacitors.
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