材料科学
罗丹明B
超级电容器
纳米颗粒
光催化
亚甲蓝
降级(电信)
电极
电容
电化学
化学工程
选择性
热液循环
钼
核化学
纳米技术
催化作用
有机化学
冶金
化学
计算机科学
物理化学
工程类
电信
作者
En‐Long Zhou,Chenggang Wang,Qinqin Zhao,Zhipeng Li,Mingwang Shao,Xiaolong Deng,Xiao Jing Liu,Xijin Xu
标识
DOI:10.1016/j.ceramint.2015.10.008
摘要
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%).
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