Highly piezocatalysis of metal-organic frameworks material ZIF-8 under vibration

被引：68
|
作者：
Ruan, Lujie [1 ,2 ]
Jia, Yanmin [1 ]
Guan, Jingfei [1 ,2 ]
Xue, Bei [1 ]
Huang, Shihua [2 ]
Wu, Zheng [3 ]
Li, Guorong [4 ,5 ]
Cui, Xiangzhi [4 ,5 ]
机构：
[1] Xian Univ Posts & Telecommun, Sch Sci, Xian 710121, Peoples R China
[2] Zhejiang Normal Univ, Coll Phys & Elect Informat Engn, Jinhua 321004, Zhejiang, Peoples R China
[3] Xian Polytech Univ, Sch Environm & Chem Engn, Xian Key Lab Text Chem Engn Auxiliaries, Xian 710000, Peoples R China
[4] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, 1295 Dingxi Rd, Shanghai 200050, Peoples R China
[5] Chinese Acad Sci, Shanghai Inst Ceram, CAS Key Lab Inorgan Funct Mat & Devices, 1295 Dingxi Rd, Shanghai 200050, Peoples R China
来源：
SEPARATION AND PURIFICATION TECHNOLOGY | 2022年 / 283卷
基金：
中国国家自然科学基金;
关键词：
Piezocatalysis; Active species; ZIF-8; Dye degradation; DYE WASTE-WATER; ZEOLITIC IMIDAZOLATE FRAMEWORK-8; PHOTOCATALYTIC PERFORMANCE; SYNERGISTIC CATALYSIS; EFFICIENT ADSORPTION; CO2; ADSORPTION; DEGRADATION; NANOCOMPOSITES; NANOCRYSTALS; ENHANCEMENT;
D O I：
10.1016/j.seppur.2021.120159
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
In this research, metal-organic frameworks ZIF-8 nanoparticles, which is synthesized via the liquid phase method, exhibits the outstanding piezocatalytic performance on Rhodamine B (RhB) dye degradation under vibration. The piezocatalytic degradation ratio of RhB dye (5 mg/L) can reach similar to 94.5% after undergoing 90 min vibration. ZIF-8, with the coexistence of cubic phase and monoclinic phase, confirmed from XRD, is piezoelectric in theory, which contributes to the excellent piezocatalytic performance. The main active species, which plays an important role in piezocatalytic process, are the superoxide radicals (center dot O-2(-)), the positive charges (q(+)) and the negative charges (q(-)) on basis of the active species quenching experiment results. The MOF material ZIF-8 is potential in the application field of the highly piezocatalytic dye wastewater degradation under vibration.
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页数：9
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