Synergistic effect of artificial enzyme and 2D nano-structured Bi2WO6 for eco-friendly and efficient biomimetic photocatalysis

被引：356

作者：

Yi, Huan ^{[1
,2
]}

Yan, Ming ^{[1
,2
]}

Huang, Danlian ^{[1
,2
]}

Zeng, Guangming ^{[1
,2
]}

Lai, Cui ^{[1
,2
]}

Li, Minfang ^{[1
,2
]}

Huo, Xiuqin ^{[1
,2
]}

Qin, Lei ^{[1
,2
]}

Liu, Shiyu ^{[1
,2
]}

Liu, Xigui ^{[1
,2
]}

Li, Bisheng ^{[1
,2
]}

Wang, Han ^{[1
,2
]}

Shen, Maocai ^{[1
,2
]}

Fu, Yukui ^{[1
,2
]}

Guo, Xueying ^{[1
,2
]}

机构：

[1] Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China

[2] Hunan Univ, Minist Educ, Key Lab Environm Biol & Pollut Control, Changsha 410082, Hunan, Peoples R China

来源：

APPLIED CATALYSIS B-ENVIRONMENTAL | 2019年 / 250卷

基金：

中国国家自然科学基金;

关键词：

Artificial enzyme; Hemin; Two dimension; Bi2WO6; Photocatalysis; WASTE-WATER TREATMENT; QUANTUM DOTS; PHANEROCHAETE-CHRYSOSPORIUM; TETRACYCLINE DEGRADATION; ULTRATHIN NANOSHEETS; FACILE FABRICATION; AXIAL COORDINATION; GOLD NANOPARTICLES; ORGANIC POLLUTANTS; BISMUTH TUNGSTATE;

D O I：

10.1016/j.apcatb.2019.03.008

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Highly-efficient and eco-friendly materials and technologies are urgently needed to meet the requirements of nowadays green development. Photocatalysis with using solar energy and enzymatic catalysis with eco-friendly nature are effective alternatives to address the problem. Notably, beneficial use of the synergistic effect of artificial enzyme and advanced photocatalyst has attracted wide attention. This work presents a biomimetic photocatalytic material, two-dimensional (2D) biomimetic hemin-bismuth tungstate (HBWO). Stable HBWO composites formed by immobilization of monomeric hemin on 2D bismuth tungstate layer, exhibit high photocatalytic performance, better than that of pure 2D bismuth tungstate and unsupported hemin. HBWO shows layered structure with the interlayer spacing at-0.35 nm. In the photocatalytic process, hemin can not only act as an electron shuttle, also play an important role in oxygen transfer. Additionally, the synthesized HBWO composites exhibit nice binding affinities and high photocatalytic activity in tetracycline degradation. It is anticipated that beneficial use of synergistic effect of artificial enzyme and photocatalyst via HBWO composites can be a promising eco-friendly and efficient solution for addressing the environmental crisis.

引用

页码：52 / 62

页数：11

共 80 条

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