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OEL Devices with Double Buffer Layers Composed of Two Types of LB Phthalocyanine
Takayuki UCHIDA Shigeru NAKANE Takeshi NAKADA Yujiro NAGATA Masao OHTSUKA
IEICE TRANSACTIONS on Electronics
Publication Date: 2000/07/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section LETTER (Special Issue on Organic Molecular Electronics for the 21st Century)
Category: Electro Luminescence
OEL, LB technique, phthalocyanine, buffer layer,
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Luminance and luminous efficiency of EL devices have been improved considerably by inserting double buffer layers composed of two types of Phthalocyanine deposited by the LB technique. This is considered to be caused by hole injection through relatively smooth energy levels.