聚噻吩共軛高分子光電材料之研究

A Study of Optoelectronic Materials-polythiophene Conjugate Polymer

楊明璋(Ming-Chang Yang)

指導教授 ： 廖義田

國立臺北科技大學/工程學院/有機高分子研究所/碩士(2005年)

https://doi.org/10.6841/NTUT.2005.00048

摘要

導電高分子聚噻吩具有高度π電子共軛的結構，可應用於有機光電半導體､supercapacitors、 electrochromic display、light-emitting diodes。而本研究第一部份是利用化學聚合，合成出室溫溫變色之高分子，在主鏈導入一柔軟的側鏈矽氧烷，在室溫下產生變色。第二部分利用BFEE當作主要電解質溶液，進行電化學聚合，在不同單體濃度，電流密度，電解質濃度下製備聚噻吩電變色導電薄膜，並利用FTIR探討其分子結構，UV及PL測其光學性質，SEM探討其聚合之後之表面型態，發現電化學聚合因其分子結構縝密，可得到具有金屬光澤之高導電性薄膜。本研究成功合成全世界最高導電度的聚噻吩。

關鍵字

導電高分子 ； 電化學聚合

並列摘要

The conducting polythiophene has high π-electron conjugate structure. It can be applied to transparent electrode, organic optoelectronic semi-conductor materials, supercapacitors, electrochromic display and light-emitting diodes.
In this study, the polythiophene is prepared by chemical oxidation polymerization. Bonding the thiophene with flexible siloxane, the conjugate polymer becomes soluble in many solvents, and it becomes thermochromic at room temperature.
Furthermore, the electrochromic conducting polythiophene film is prapared by electrochemical oxidation polymerization of thiophene in BFEE as the electrolyte in different concentrations of monomers , electrolytes and current densities. Their physical properties were characterized by FTIR, UV, DMA, PL. The morphology is studied by SEM. From the results of experiments, the electrochemical oxidation polymerization has the extraordinary physical properties. It is found that the thin film possesses super electronic conductivity.

並列關鍵字

conducting polymer ； electrochemical polymerization

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