期刊
CERAMICS INTERNATIONAL
卷 42, 期 2, 页码 2198-2203出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2015.10.008
关键词
Molybdenum dioxide; Supercapacitors; Photocatalysis
资金
- Taishan Scholar [TSHW20120210]
- National Natural Science Foundation of China [11304120, 61205175]
- Encouragement Foundation for Excellent Middle-aged and Young Scientist of Shandong Province [BS2013CL020, BS2014CL012]
- Science-Technology Program of Higher Education Institutions of Shandong Province [J15LJ06]
Molybdenum dioxide (MoO2) nanoparticles with the size of 200 nm in diameter were synthesized by a facile hydrothermal method. The nanoparticles were directly functionalized as supercapacitors (SCs) electrodes and photocatalysts. The electrochemical studies showed that the SCs demonstrated high capacitance of 621 F g(-1), which was 3 times larger than previous reports. Furthermore, they exhibited good cyclic performance with 90% capacity retention after 1000 cycles at a current density of 1 A g(-1.) The photocatalytic activities were evaluated by the degradation of methylene blue (MB) and rhodamine B (RhB), respectively, and the nanoparticles demonstrated preferred selectivity on the degradation of RhB (70%) than that of MB (30%). (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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