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http://dx.doi.org/10.21218/CPR.2018.6.4.091

Optical Properties of Soluble Polythiophene for Flexible Solar Cell  

Kim, Byoung-Ju (Department of New and Renewable Energy, Kyungil University)
Park, Eun-Hye (Department of New and Renewable Energy, Kyungil University)
Kang, Kwang-Sun (Department of New and Renewable Energy, Kyungil University)
Publication Information
Current Photovoltaic Research / v.6, no.4, 2018 , pp. 91-93 More about this Journal
Abstract
Polythiophene-$TiO_2$ composite was synthesized with different molar ratios of thiophene and titaniumisopropoxide ($Ti(OPr)_4$) for flexible solar cell application as a flexible electrode or an active material. The $Ti(OPr)_4$ was stabilized by thiophene. The thiophene was polymerized by ferric chloride catalyst. The synthesized polythiophene exhibited strong UV-visible absorption in the range of the wavelength shorter than 500 nm. Field emission scanning electron microscope (FESEM) image of low concentration of $TiO_2$ film showed smooth surface. However, FESEM image of high concentration of $TiO_2$ film exhibited relatively rough surface. Polythiophene concentration dependent strong photoluminescence quenching of surfrhodamine-B was observed.
Keywords
Polythiophene; $TiO_2$; Composite; Photoluminescence quenching;
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