Metallophthalocyanine and subphthalocyanine films as electron-transport layer in organic light-emitting diodes

Zhu Ma; Junsheng Yu; Juan Zhao; Shengqiang Liu; Longfeng Jiang

doi:10.1117/12.978655

15 October 2012 Metallophthalocyanine and subphthalocyanine films as electron-transport layer in organic light-emitting diodes

Zhu Ma, Junsheng Yu, Juan Zhao, Shengqiang Liu, Longfeng Jiang

Author Affiliations +

Proceedings Volume 8419, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Sensing, Imaging, and Solar Energy; 84190D (2012) https://doi.org/10.1117/12.978655
Event: 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2012), 2012, Xiamen, China

Abstract

Organic light-emitting diodes (OLEDs) are fabricated by using metallophthalocyanine and subphthalocyanine as electron-transport materials. The performance of the electroluminescence in the device ITO/CoPc/NPB/Alq₃/TPBi/Pcs/Mg: Ag is systematically investigated. The turn-on voltage, maximum luminance and maximum current efficiency of the device with a SnPc electron-transport layer can reach 7.6 V, 7550 cd/m² and 3.26 cd/A, respectively. Meanwhile, the turn-on voltage, maximum luminance and maximum current efficiency of the device with a SubPc layer are 5.4 V, 10059 cd/m², and 6.4 cd/A. The results demonstrate that a relatively unique feature of Subphthalocyaninethe, which could transport electron effectively, and tell us that central metal atoms determined the electron-transport ability of metallophthalocyanine.

Citation Download Citation

Zhu Ma, Junsheng Yu, Juan Zhao, Shengqiang Liu, and Longfeng Jiang "Metallophthalocyanine and subphthalocyanine films as electron-transport layer in organic light-emitting diodes", Proc. SPIE 8419, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Sensing, Imaging, and Solar Energy, 84190D (15 October 2012); https://doi.org/10.1117/12.978655

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KEYWORDS

Organic light emitting diodes

Silver

Electron transport

Magnesium

Chemical species

Metals

Electroluminescence

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