Synthesis of [Ru3(μ3-NPh)(Br)(CO)9]- on self-assembled monolayers of di(3-aminopropyl)viologen/ITO surfaces and its application to photoelectrochemical cells

被引：4
作者：
Lee, Deok Yeon [1 ]
Lee, Mi-Sun [1 ]
Lim, Iseul [1 ]
Kang, Soon Hyung [2 ]
Nah, Yoon-Chae [3 ]
Lee, Wonjoo [1 ,4 ]
Han, Sung-Hwan [1 ]
机构：
[1] Hanyang Univ, Dept Chem, Seoul 133791, South Korea
[2] Chonnam Natl Univ, Dept Chem Educ, Kwangju 500757, South Korea
[3] Korea Univ Technol & Educ, Sch Energy Mat & Chem Engn, Cheonan Si 330708, Chungnam, South Korea
[4] Samsung Elect, Mat Res Ctr, Samsung Adv Inst Technol, Yongin 449712, Gyeonggi Do, South Korea
来源：
APPLIED SURFACE SCIENCE | 2011年 / 257卷 / 23期
关键词：
Surface modification; Metal cluster; Photoelectrochemical cell; Photoinduced charge transfer; Self-assembled monolayer; INDIUM TIN OXIDE; ENHANCED PHOTOCURRENT; ELECTRON-TRANSFER; SYSTEM; PERFORMANCE; PORPHYRIN; METALS;
D O I：
10.1016/j.apsusc.2011.06.074
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：
Triruthenium carbonyl clusters {[Ru-3(Br)(CO)(11)](-) (denoted as Ru-1), [Ru-3(mu(2)-Br)(CO)(10)](-) (denoted as Ru-2), and [Ru-3(mu(3)-NPh)(Br)(CO)(9)](-) (denoted as Ru-3)} were synthesized on di(3-aminopropyl)viologen (DAPV)/indium tin oxide (ITO) using a surface reaction in a ruthenium (III) carbonyl [Ru-3(CO)(12)] solution, and were applied to photoelectrochemical cells (PECs) at the molecular level. The formation of DAPV on ITO was realized in the form of self-assembled monolayers. Ru-3(CO)(12) then easily reacted with the Br- of DAPV, and a mixture of Ru-1 and Ru-2 was formed on DAPV/ITO. Furthermore, Ru-3 was successfully anchored on DAPV/ITO by adding nitrosobenzene in order to react with Ru-2 on DAPV/ITO. The photocurrents of (Ru-1 and Ru-2)/DAPV/ITO and Ru-3/DAPV/ITO in PECs at the molecular level were 6.3 nA cm(-2) and 8.6 nA cm(-2), respectively. The quantum yield of Ru-3/DAPV/ITO was similar to 0.8%. Time-resolved photoluminescence spectroscopy and emission spectroscopy were recorded to bring out the photoinduced charge transfer process from ruthenium clusters to DAPV. (C) 2011 Elsevier B.V. All rights reserved.
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收藏
页码：9879 / 9884
页数：6
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