Piezo/pyro/photo-catalysis activities in Ba0.85Ca0.15(Ti0.9Zr0.1)1-xFexO3ceramics

被引：45

作者：

Sharma, Moolchand ^{[1
]}

Vaish, Rahul ^{[1
]}

机构：

[1] Indian Inst Technol Mandi, Sch Engn, Mandi, Himachal Prades, India

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2021年 / 104卷 / 01期

关键词：

ferroelectric; multicatalysis; photocatalysis; piezocatalysis; piezoelectric; pyrocatalysis; PHOTOCATALYTIC ACTIVITY; EFFICIENT DEGRADATION; BATIO3; NANOFIBERS; PIEZO-CATALYST; NANOPARTICLES; BIFEO3; NANOWIRES; ENERGY; PERFORMANCE; POLLUTANTS;

D O I：

10.1111/jace.17417

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：

Ba0.85Ca0.15(Ti0.9Zr0.1)(1-x)FexO3(x = 0, 0.5, and 1%) ceramics were studied for piezocatalysis, photocatalysis, and pyrocatalysis using dye degradation in the simulated wastewater. The effect of electrical poling was also performed and found a significant impact of poling on all three catalytic reactions. Fe decreased the optical bandgap of Ba0.85Ca0.15Ti0.9Zr0.1O3(BCZTO) to the visible region. Bandgap for x = 0, 0.005, and 0.01 was found to be 3.14 eV, 2.75 eV, and 2.61 eV, respectively. Interestingly, visible light photocatalytic activity was observed after Fe inclusion in BCZTO lattice. These compositions have also demonstrated dye degradation under ultrasonication (piezocatalytsis) and during temporal temperature change (pyrocatalysis). Results indicate promising multicatalysis in BCZTO ceramics which can be tuned using Fe substitution.

引用

页码：45 / 56

页数：12

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