Cost-effective and high-efficient lead-free Cs2NaBiCl6 photocatalyst for degradation of malachite green

IF 2.8 3区 物理与天体物理 Q2 PHYSICS, CONDENSED MATTER
Gang Zhi , Xiaohui Yang , Lahua Zhang, Xinchang Wang, Tingting Xu, Dezhi Kong, Ye Wang, Xinjian Li, Yongtao Tian
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Abstract

All inorganic lead-free halide double perovskite has great potential for high-efficient photocatalyst with the merit of low toxicity. Herein, double perovskite Cs2NaBiCl6 was designed as a photocatalyst for Malachite green degradation. Cs2NaBiCl6 was synthesized by a simple hydrochloric acid precipitation, and further employed to degrade organic dyes under ultraviolet light. The synthesized Cs2NaBiCl6 shows an excellent photocatalytic performance with a degradation efficiency of 99.7 % for malachite green (15 mg/L) in 25 min. Moreover, Cs2NaBiCl6 also exhibits good recyclability and stability. Further experiments confirm that superoxide radicals play a primary role in the photocatalytic degradation process. Our results prove that Cs2NaBiCl6 is a promising cost-effective and high-efficiency photocatalysts to degrade organic pollutants.
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来源期刊
Physica B-condensed Matter
Physica B-condensed Matter 物理-物理:凝聚态物理
CiteScore
4.90
自引率
7.10%
发文量
703
审稿时长
44 days
期刊介绍: Physica B: Condensed Matter comprises all condensed matter and material physics that involve theoretical, computational and experimental work. Papers should contain further developments and a proper discussion on the physics of experimental or theoretical results in one of the following areas: -Magnetism -Materials physics -Nanostructures and nanomaterials -Optics and optical materials -Quantum materials -Semiconductors -Strongly correlated systems -Superconductivity -Surfaces and interfaces
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