Interfacial Microenvironment Engineering Based on Ordered TiO2 Porous Films for Enhanced Visible Light Driven Photocatalysis
ZhaoYue Tan
College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123 China
Search for more papers by this authorXi Chen
College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123 China
Search for more papers by this authorZhiping Liu
College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123 China
Search for more papers by this authorJingYu Lu
College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123 China
Search for more papers by this authorCorresponding Author
Xia Sheng
College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123 China
E-mail: [email protected]; [email protected]Search for more papers by this authorCorresponding Author
Xinjian Feng
College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123 China
Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou, Jiangsu, 215123 China
E-mail: [email protected]; [email protected]Search for more papers by this authorZhaoYue Tan
College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123 China
Search for more papers by this authorXi Chen
College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123 China
Search for more papers by this authorZhiping Liu
College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123 China
Search for more papers by this authorJingYu Lu
College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123 China
Search for more papers by this authorCorresponding Author
Xia Sheng
College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123 China
E-mail: [email protected]; [email protected]Search for more papers by this authorCorresponding Author
Xinjian Feng
College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123 China
Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou, Jiangsu, 215123 China
E-mail: [email protected]; [email protected]Search for more papers by this authorComprehensive Summary
Visible-light-driven photocatalysis has great potential in environmental remediation and organic synthesis. Rational design and regulation of the reaction interfacial microenvironment is critical for photocatalytic performance, yet challenging. We report here a highly efficient photocatalytic system based on hydrophobic TiO2 porous (H-OTP) film for visible-light-driven dye-sensitized photo-oxidation. Such interface architecture design enhances the adsorption capability of organic dyes and enables the formation of air trapped triphase reaction interface microenvironment as confirmed via three-dimensional (3D) laser scanning confocal microscopy. Based on this interface architecture, the concentrations of O2 and organic molecule at the local reaction zone are both significantly increased, which promotes the generation of reactive oxygen species (•O2− and •OH), and enhances the photocatalytic performance in terms of both kinetics and organic mineralization efficiency. This study highlights the importance of interface microenvironment design and reveals an effective way to develop highly efficient photocatalytic systems.
Supporting Information
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