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    題名: Preparation and characterization of poly(3,4-ethylenedioxythiophene)–poly(styrene sulfonate) composite thin films highly loaded with platinum nanoparticles
    作者: Chang, Chao-Ching;Jiang, Ming-Tai;Chang, Chen-Liang;Lin, Cheng-Lan
    貢獻者: 淡江大學化學工程與材料工程學系
    The Energy and Opto-Electronic Materials Research Center
    關鍵詞: Composite materials;Thin films;Chemical synthesis;Electrochemical properties
    日期: 2011-06-15
    上傳時間: 2014-12-11 13:04:00 (UTC+8)
    出版者: Lausanne: Elsevier S.A.
    摘要: In this work, we propose a simple and efficient, low-temperature (∼120 °C) process to prepare transparent thin films of poly(3,4-ethylenedioxythiophene)–poly(styrenesulfonate) (PEDOT:PSS) loaded with high concentration (up to 22.5 wt%) of platinum (Pt) nanoparticles. Firstly, an improved polyol method was modified to synthesize nano-sized (∼5 nm) and mono-dispersed Pt particles. These nanoparticles were incorporated into the matrix of PEDOT:PSS thin films via a spin coating/drying procedure. The electrochemical activities of the PEDOT:PSS thin film modified electrodes with respect to the I−/I3− redox reactions were investigated. It was found that the modified electrode of PEDOT:PSS thin film containing 22.5 wt% Pt exhibited the electrochemical activity comparable to the conventional Pt thin film electrode, suggesting that this electrode has good potential to serve as a counter electrode in dye-sensitized solar cells.
    關聯: Materials Chemistry and Physics 127(3), pp.440-445
    DOI: 10.1016/j.matchemphys.2011.02.031
    顯示於類別:[化學工程與材料工程學系暨研究所] 期刊論文


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