Mixed-Valence Low Bandgap Photovoltaic Material: [Cu(II)Cu(I)(R)3(RH)2L4]•CH3COCH3 (R = C6H5COO; L = CH3COCH2C(OH)(CH3)2)

被引：0

作者：

Abdullah, Norbani ^{[1
]}

Mohamadin, Mohammad Isa ^{[2
]}

机构：

[1] Univ Malaya, Dept Chem, Fac Sci, Kuala Lumpur 50603, Malaysia

[2] Univ Teknol MARA, Fac Appl Sci, Shah Alam, Malaysia

来源：

RENEWABLE AND SUSTAINABLE ENERGY, PTS 1-7 | 2012年 / 347-353卷

关键词：

Mixed-Valence Copper Complex; Cyclic Voltammetry; Low Bandgap; SALTS;

D O I：

10.4028/www.scientific.net/AMR.347-353.738

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Copper(II) mixed-valence complex, [Cu(II)Cu(I)(R)(3)(RH)(2)L-4]center dot CH3COCH3 (R = C6H5COO; L = CH3COCH2C(OH)(CH3)(2)) (1), is a potential photovoltaic material with low bandgap It is formed as a black solid from a facile carbon-carbon bond-forming reaction involving [Cu-2(C6H4COO)(4)(C2H5OH)(2)] (2) and CH3COCH3 under acidic condition. The complex was soluble in most common organic solvents, but insoluble in water. Its formula was deduced from FTIR, UV-vis, and H-1-NMR spectroscopies, TGA and GCMS. Its effective magnetic moment was 1.33 B.M. at 298 K, suggesting strong antiferromagnetic coupling between the two Cu centres. Cyclic voltammetry shows an anodic peak at +0.70 V and two cathodic peaks at +0.53 V and -1.0 V. The HOMO and LUMO energy levels are 4.9 eV and 3.7 eV respectively, and hence the bandgap energy is 1.2 eV.

引用

页码：738 / +

页数：2

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