Ordered Mesoporous SBA-15 Type Graphitic Carbon Nitride: A Semiconductor Host Structure for Photocatalytic Hydrogen Evolution with Visible Light

被引：385

作者：

Chen, Xiufang ^{[2
,3
]}

Jun, Young-Si ^{[3
]}

Takanabe, Kazuhiro ^{[1
]}

Maeda, Kazuhiko ^{[1
]}

Domen, Kazunari ^{[1
]}

Fu, Xianzhi ^{[2
]}

Antonietti, Markus ^{[3
]}

Wang, Xinchen ^{[2
,3
]}

机构：

[1] Univ Tokyo, Sch Engn, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan

[2] Fuzhou Univ, State Key Lab Breeding Base Photocatalysis, Fuzhou 350002, Peoples R China

[3] Max Planck Inst Colloids & Interfaces, D-14424 Potsdam, Germany

来源：

CHEMISTRY OF MATERIALS | 2009年 / 21卷 / 18期

关键词：

WATER; CATALYSTS; POLYMER; DRIVEN; FILMS; O-2; H-2;

D O I：

10.1021/cm902130z

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：

The developed and ordered mesoporous carbon nitride, possessing a large surface area, uniform pore size, and a 2D accessible framework, shows improved activity for photochemical reduction of water with visible light in the presence of Pt as a cocatalyst and electron donors. The ordered mesostructure allow for easy assembly of catalytic cofactors in the structure, where natural photosynthetic chromophores and their redox cofactors are coassembled in nanosized protein channels embedded in cell membranes. The photocatalytic activity was evaluated by photochemical reduction of water in the presence of an electron donor with visible light and evaluated under SEM and TEM images. The structure was found to be partially promising as a host semiconductor scaffold for the design of hybrid visible-light photo-catalysts, as it enables the convenient functionalization by surface reaction or deposition which is per definition always in closest proximity to the active sites of the catalytic support.

引用

页码：4093 / 4095

页数：3

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