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.

引用

页数：6

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