Formation of charge-transfer-complex in organic: metal oxides systems

被引：18
|
作者：
Wu, S. P. [1 ]
Kang, Y. [1 ]
Liu, T. L. [1 ]
Jin, Z. H. [2 ]
Jiang, N. [1 ]
Lu, Z. H. [1 ,3 ]
机构：
[1] Yunnan Univ, Dept Phys, Kunming, Yunnan, Peoples R China
[2] Yunnan Univ, Sch Chem Sci & Technol, Kunming, Yunnan, Peoples R China
[3] Univ Toronto, Dept Mat Sci & Engn, Toronto, ON M5S 3E4, Canada
来源：
APPLIED PHYSICS LETTERS | 2013年 / 102卷 / 16期
关键词：
LIGHT-EMITTING-DIODES; GENERATION; INTERFACE; LAYER; BULK; HOLE;
D O I：
10.1063/1.4802923
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
It is found that composite systems consisting of 4,4'-bis(carbazol-9-yl)biphenyl (CBP) and molybdenum trioxide (MoO3) form an IR absorption band around 847 nm. It is also found that the vibrational modes of the CBP, as measured by Fourier Transform Infrared Spectroscopy, are quenched upon the formation of charge-transfer-complex (CTC) between CBP and MoO3. By examining several sets of organic: metal oxides systems, we discovered that the IR absorption band of the CTCs follow two distinct mechanisms depending on the nature and location of the HOMOs in the organic molecules. (C) 2013 AIP Publishing LLC [http://dx.doi.org/10.1063/1.4802923]
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页数：3
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