Degradation of Dye Wastewater over NH2-UiO-66: Piezoelectrically Induced Mechano-Catalytic Effect

被引：6
|
作者：
Zhang Xincong [1 ]
Guo Ke [1 ]
Peng Lianlian [1 ]
Wu Jieyu [1 ]
Zhang Fumin [1 ]
Zhu Weidong [1 ]
Fu Yanghe [1 ]
机构：
[1] Zhejiang Normal Univ, Inst Adv Fluorine Containing Mat, Minist Educ Adv Catalysis Mat, Key Lab, Jinhua 321004, Zhejiang, Peoples R China
来源：
JOURNAL OF INORGANIC MATERIALS | 2020年 / 35卷 / 09期
关键词：
metal-organic frameworks; NH2-UiO-66; piezoelectrical materials; mechano-catalysis; dye degradation; METAL-ORGANIC FRAMEWORKS; VISIBLE-LIGHT; PHOTOCATALYTIC DEGRADATION; CO2; ADSORPTION; NANOPARTICLES; G-C3N4; UIO-66; DECOLORIZATION; PERFORMANCE; NANORODS;
D O I：
10.15541/jim20190542
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Metal-organic frameworks (MOF) as piezoelectrical materials used in mechano-catalytic degradation of organic dye are rarely investigated. In this work, NH2-UiO-66 was synthesized by the solvothermal method and applied in mechano-catalytic degradation of Rhodamine B under ultrasonic vibration. The results show that NH2-UiO-66 behaves a high mechano-catalytic decomposition efficiency of 80% for Rhodamine B within 5 h vibration and possesses a good stability. The piezoelectrically induced electric charges on the surfaces of NH2-UiO-66 via the piezoelectric effect could induce hydroxyl radicals as strong oxidants to decompose Rhodamine B. The piezoelectrical effect of MOFs is potential in utilizing vibration energy for dye wastewater treatment.
引用
收藏
页码：1023 / 1028
页数：6
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