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Published in:
01-04-2014
Investigation of UV and I–V characteristics of high refractive index polymer thin film for optoelectronic applications
Published in: Journal of Materials Science: Materials in Electronics | Issue 4/2014
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Abstract
In this study, high refractive index polymer (HRIP) [poly(pentabromobenzyl methacrylate-co-glycidyl methacrylate)] was investigated to obtain its optical and electrical performance for optoelectronic applications. UV characteristics of the polymer in solution of tetrahydrofuran were obtained and optical band gap energy of the polymer was calculated as 3.8 eV. I–V characteristics of the polymer were investigated after HRIP thin film was prepared using spin coating technique. The electrical parameters such as barrier height ΦBo, ideality factor n and reverse saturation current Io were extracted from the forward biasing I–V characteristics. At the same time, series resistance Rs and ΦBo were determined by using a modified Norde function combined with conventional forward I–V method.