We report that the use of a boron trifluoride‐diethyl ether complex (BFEE) as an electrolyte greatly improves the current efficiency in the anodic chlorination of poly(3‐hexylthiophene) (P3HT) compared to the conventional electrochemical post‐functionalization method using an acetonitrile (MeCN) solution. The oxidation potential of P3HT is successfully decreased, whereas that of a chloride ion (Cl⁻) can be significantly increased in BFEE, as evidenced by cyclic voltammetry. Given these findings, we investigated the anodic chlorination of P3HT films in the presence of Cl⁻ as a nucleophile in BFEE and a mixed solution of BFEE/MeCN, thereby suppressing undesirable oxidation of Cl⁻. Characterization and optoelectronic property studies of the obtained chlorinated P3HT were carried out.

中文翻译：

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使用三氟化硼-二乙基醚络合物提高聚（3-己基噻吩）阳极氯化反应的电流效率

我们报告说，与使用乙腈的常规电化学后功能化方法相比，使用三氟化硼-乙醚络合物（BFEE）作为电解质可大大提高聚（3-己基噻吩）（P3HT）阳极氯化中的电流效率（MeCN）解决方案。P3HT的氧化电势被成功地降低，而该氯离子（CL的^- ）可以被BFEE显著上升循环伏安法所证实。根据这些发现，我们研究了在氯的存在下P3HT薄膜的阳极氯化^-如在BFEE亲核试剂和BFEE / MeCN中的混合溶液中，由此抑制的Cl不希望的氧化^-。对获得的氯化P3HT进行了表征和光电性能的研究。