Potential levels of metal complexes of 8-hydroxyquinoline

被引：5

作者：

Nishikiori, Hiromasa ^{[1
]}

Nakamura, Shogo ^{[1
]}

Natori, Daichi ^{[1
]}

Teshima, Katsuya ^{[1
]}

机构：

[1] Shinshu Univ, Fac Engn, Dept Environm Sci & Technol, 4-17-1 Wakasato, Nagano 3808553, Japan

来源：

CHEMICAL PHYSICS LETTERS | 2016年 / 662卷

关键词：

8-Hydroxyquinoline; Titanium; Zinc; Titania; Surface complex; Photoinduced electron transfer; SURFACE COMPLEXES; ORGANIC-LIGANDS; TIO2; ELECTRON; TITANIA; RECOMBINATION; NANOPARTICLES; CONVERSION; EMISSION; STATES;

D O I：

10.1016/j.cplett.2016.07.023

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 potential levels of 8-hydroxyquinoline and its titanium and zinc complexes were determined by electrochemical measurements and quantum chemical calculations. The HOMO and LUMO levels of the complexes were lower and higher than those of the iodine redox couple and titania conduction band edge, respectively. This indicated that the electrons can be transferred from the electrolyte to the titania via the complexes. The 8-hydroxyquinoline formed titanium complexes on the titania surface and formed zinc complexes in the presence of zinc ions on the surface. It is suggested that electrons were injected from the complex LUMO into the titania conduction band. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：146 / 151

页数：6

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