Metal-free phthalocyanine single crystal： Solvothermal synthesis and near-infrared electroluminescence
Metal-free phthalocyanine single crystal: Solvothermal synthesis and near-infrared electroluminescence作者机构：Inner Mongolia Key Lab of Chemistry of Natural Products and Synthesis of Functional Molecules College of Chemistry and Chemical Engineering Inner Mongolia University for Nationalities Tongliao 028000 China School of Physics and Optoelectronics Technology Dalian University of Technology Dalian 116024 China
出 版 物：《Chinese Chemical Letters》 (中国化学快报（英文版）)
年 卷 期：2016年第27卷第5期
页 面：764-768页
核心收录：
学科分类：081704[工学-应用化学] 07[理学] 070304[理学-物理化学(含∶化学物理)] 08[工学] 0817[工学-化学工程与技术] 0703[理学-化学]
基 金：financially supported by the Ph.D. Initiative Science Foundation of Inner Mongolia University for the Nationalities(Nos. BS289, BS314) Natural Science Research Project of Inner Mongolia University for the Nationalities (No. NMDYB15076) the Fundamental Research Funds for the Central Universities (No. DUT14LK02)
主 题：Solvothermal synthesis H2Pc single crystal Optical properties Near infrared Electroluminescence
摘 要：A metal-flee purple H2Pc single crystal was synthesized by a facile solvothermal method, and its solubility and near-infrared （NIR） optical properties were also investigated due to its potential applications as a light-emitting layer for OLEDs. The H2Pc single crystal is insoluble in 1-chlorine naphthalene and other organic solvents. It gives a wide absorption in the range from 620 nm to 679 nm and a wide emission in near 922 nm. As an active light-emitting layer, H2Pc was employed to fabricate electroluminescent （EL） devices with a structure of ITO/NPB （30 nm）/Alq3：H2Pc （30 nm）/BCP （20 nm）/ Alq3 （20 nm）/Al. The emission center is at 936 nm when the H2Pc doping concentration is 20 wt%. The doping concentration strongly governs the emission intensity. When doping concentration decreases from 10 wt% to 1 wt%, the emission intensity remarkably fades, and simultaneously the emission center undergoes a blue shift.
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