Zr-Based Metal-Organic Framework Films Grown on Bio-Template for Photoelectrocatalysis

被引：8

作者：

Sun, Shujian ^{[1
]}

Xiao, Yali ^{[1
]}

He, Lanqi ^{[1
]}

Tong, Yexiang ^{[1
]}

Liu, Dingxin ^{[1
]}

Zhang, Jianyong ^{[1
]}

机构：

[1] Sun Yat Sen Univ, Sch Mat Sci & Engn, MOE Lab Polymer Composite & Funct Mat, Sch Chem, Guangzhou 510275, Peoples R China

来源：

CHEMISTRYSELECT | 2020年 / 5卷 / 44期

关键词：

metal-organic frameworks; nanoparticles; photoelectrocatalysis; template synthesis; zirconium; HYDROGEN-EVOLUTION; PHOTONIC CRYSTALS; THIN-FILMS; UIO-67; MOFS; PHOTOCATALYSIS; ADSORPTION; CATALYSIS; DESIGN;

D O I：

10.1002/slct.202003939

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A series of Zr-based metal-organic framework (Zr-MOF) films are anchored on the surface of butterfly wing via solvothermal method for HER application, including UiO-66, NH2-UiO-66 and UiO-67. Oriented nanoparticles are anchored on the photonic crystal bio-template. The distinctive design of the Zr-MOFs/B composites enables remarkable photoelectrocatalytic HER activity in comparison with corresponding intrinsic Zr-MOFs, primarily due to the synergy effect between MOFs and the photonic crystal. The cathode current increases to 1.94, 0.98 and 3.64 mA cm(-2) for UiO-66/B, NH2-UiO-66/B and UiO-67/B, respectively, at an overpotential of -0.6 V vs RHE when irradiated for 30 min upon simulated sunlight. Upon simulated sunlight irradiation, the carrier density increases by 2.00, 1.26 and 1.48 times for UiO-66/B, NH2-UiO-66/B and UiO-67/B, respectively. This work paves a promising pathway for designing efficient HER electrocatalysts by combination of Zr-MOFs and photo-active butterfly wings.

引用

页码：13855 / 13861

页数：7

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