Growth and characterization of thin Cu-phthalocyanine films on MgO(001) layer for organic light-emitting diodes

被引：14
|
作者：
Bae, Yu Jeong [1 ]
Lee, Nyun Jong [1 ]
Kim, Tae Hee [1 ]
Cho, Hyunduck [2 ]
Lee, Changhee [2 ]
Fleet, Luke [3 ]
Hirohata, Atsufumi [3 ]
机构：
[1] Ewha Womans Univ, Dept Phys, Seoul 120750, South Korea
[2] Seoul Natl Univ, Sch Elect Engn & Comp Sci, Seoul 151744, South Korea
[3] Univ York, Dept Elect, York YO10 5DD, N Yorkshire, England
来源：
NANOSCALE RESEARCH LETTERS | 2012年 / 7卷
基金：
英国工程与自然科学研究理事会; 新加坡国家研究基金会;
关键词：
Organic light-emitting diode; Fe/MgO(001) epilayers; Cu-phthalocyanine; Thermal stability; Hybrid organic spintronics hybrid structures; MAGNETORESISTANCE; INJECTION;
D O I：
10.1186/1556-276X-7-650
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Surface morphology and thermal stability of Cu-phthalocyanine (CuPc) films grown on an epitaxially grown MgO(001) layer were investigated by using atomic force microscope and X-ray diffractometer. The (002) textured beta phase of CuPc films were prepared at room temperature beyond the epitaxial MgO/Fe/MgO(001) buffer layer by the vacuum deposition technique. The CuPc structure remained stable even after post-annealing at 350A degrees C for 1 h under vacuum, which is an important advantage of device fabrication. In order to improve the device performance, we investigated also current-voltage-luminescence characteristics for the new top-emitting organic light-emitting diodes with different thicknesses of CuPc layer.
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页数：6
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