Visible-Light-Driven Photocatalytic Water Oxidation by a π-Conjugated Donor Acceptor Donor-Chromophore/Catalyst Assembly

被引：36

作者：

Eom, Yu Kyung ^{[1
]}

Nhon, Linda ^{[2
]}

Leem, Gyu ^{[1
]}

Sherman, Benjamin D. ^{[3
]}

Wang, Degao ^{[4
]}

Troian-Gautier, Ludovic ^{[4
]}

Kim, Soojin ^{[5
]}

Kim, Jinheung ^{[5
]}

Meyer, Thomas J. ^{[4
]}

Reynolds, John R. ^{[2
]}

Schanze, Kirk S. ^{[1
]}

机构：

[1] Univ Texas San Antonio, Dept Chem, San Antonio, TX 78249 USA

[2] Georgia Inst Technol, Sch Chem & Biochem, Sch Mat Sci & Engn, Ctr Organ Photon & Elect,Georgia Tech Polymer Net, Atlanta, GA 30332 USA

[3] Texas Christian Univ, Dept Chem & Biochem, Ft Worth, TX 76129 USA

[4] Univ N Carolina, Dept Chem, Chapel Hill, NC 27599 USA

[5] Ewha Womans Univ, Dept Chem & Nano Sci, Seoul 03760, South Korea

来源：

ACS ENERGY LETTERS | 2018年 / 3卷 / 09期

关键词：

RECOMBINATION DYNAMICS; SOLAR-CELLS; CATALYST; DESIGN; PHOTOANODES;

D O I：

10.1021/acsenergylett.8b01020

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 organic chromophore 2,2'-(benzo[c][1,2,5]thiadiazole-4,7-diyObis(thiophene-3-carboxylic acid), T2-BTD, was prepared and investigated along with metal complex [Ru(bda)(pyP)(2)] (bda = 2,2'-bipyridine-6,6'-dicarboxylate; pyP = 3-(pyridine-4-yloxy)propyl)phosphonic acid), RuC, for light-driven water splitting in dye sensitized photoelectrochemical cells. The resulting co-loaded organic chromophore plus catalyst surface assembly was evaluated by photocurrent transient measurement and direct O-2 detection using a collector-generator cell. The complete SnO2/TiO2 core-shell-based photoanode exhibited an enhanced photocurrent (similar to 38 pA cm(-2)) compared to that with only the chromophore pA cm(-2)). A modest Faradaic efficiency of 12% was recorded for O-2 generation under 1 sun illumination in pH 3.9, 0.1 M acetate buffer solutions.

引用

页码：2114 / 2119

页数：11

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