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《Microelectronics》 2016-01
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Effects of Solvent Boiling Point on the Properties of Spin-Coated Rubrene Thin Films

HAN Xianhu;QIAN Feng;LIU Quanshui;ZHONG Chuanjie;School of the Internet of Things,Jiangnan University;  
The effects of solvent boiling point on the properties of Rubrene thin films manufactured by solutionprocess method was studied,and the Rubrene thin films were obtained by spin coating with anisole,chlorobenzene,toluene,and chloroform as solvent respectively.Firstly,spectroscopic ellipsometry was used to study the optical parameters of Rubrene thin films.The results indicated that by using high boiling point anisole as solvent,the film refractive index was the largest and the surface roughness of the film decreased to only 11.92 nm,of course,good film uniformity and density were also achieved.Secondly,the space charge limited current method was used to gain electrical properties.The mobility of Rubrene thin films was 1.58×10-5 cm2/(V·s)when using anisole as solvent,and was only 1.07×10-10 cm2/(V·s)when using low boiling point solvent chloroform.The results showed that the boiling point of solvent had a great influence on the characteristics of Rubrene thin films,and high boiling point solvent could be used to obtain high performance thin films.
【Fund】: 国家自然科学基金资助项目(60776056)
【CateGory Index】: TB383.2
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