Nitride-organic hybrid heterostructures for possible novel optoelectronic devices: charge injection and transport

被引：7
|
作者：
Kim, Hyunjin [1 ]
Zhang, Qiang [1 ]
Song, Yoon-Kyu [1 ]
Nurmikko, Arto [1 ]
Sun, Qian [2 ]
Han, Jung [2 ]
机构：
[1] Brown Univ, Div Engn, Providence, RI 02912 USA
[2] Yale Univ, Dept Elect Engn, New Haven, CT 06520 USA
来源：
PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 6, NO 2 | 2009年 / 6卷 / 02期
基金：
美国国家科学基金会;
关键词：
ELECTROLUMINESCENCE; CELLS;
D O I：
10.1002/pssc.200880402
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigate the physical integration of organic thin film semiconductors with (In)GaN to explore new types of "hybrid" heterojunction device structures. Planar nitride-organic junctions are found to be quite versatile in enabling charge injection across two very different electronic material constituents. Here (In)GaN/CuPc devices were studied in terms of photogenerated charge transport. An efficient photocurrent response was observed at the absorption wavelength of the InGaN quantum well which requires ready photo-carrier transport across the organic/inorganic interface. Additionally a weaker photocurrent response from CuPc was acquired near its absorption peak around 640 nm, which suggests that some photo-generated excitons are diffused and dissociated at the hybrid interface. (c) 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
引用
收藏
页码：593 / +
页数：2
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