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Preparation and electrochemical performance of TEMPO-modified polyterthiophene electrode obtained by electropolymerization
Electrochemistry Communications ( IF 4.7 ) Pub Date : 2019-12-04 , DOI: 10.1016/j.elecom.2019.106623
Pengfei Niu , Yanchao Cai , Ming Guo , Zhenlu Shen , Meichao Li

A novel monomer of terthiophene with a side chain TEMPO, 4-(2,5-di(thiophen-2-yl)thiophen-3-yl)acetyl-oxy-2,2,6,6-tetramethylpiperidin-1-yloxy (TT-TEMPO) was successfully synthesized. Its corresponding polymer PTT-TEMPO was prepared via electrochemical polymerization on Pt electrode in boron trifluoride diethyl etherate solution. PTT-TEMPO film showed a uniform network structure. Compared with bare Pt electrode, PTT-TEMPO electrode exhibited high electrocatalytic performance for oxidation of benzyl alcohol in the presence of 2,6-lutidine under similar conditions. Benzyl alcohol was selectively oxidized to benzaldehyde based on in situ FTIR analysis.



中文翻译:

电聚合得到的TEMPO修饰的聚对噻吩电极的制备及电化学性能

具有侧链TEMPO的新型对噻吩单体,4-(2,5-二(噻吩-2-基)噻吩-3-基)乙酰氧基-2,2,6,6-四甲基哌啶-1-基氧基( TT-TEMPO)已成功合成。通过在三氟化硼二乙基醚化物溶液中的Pt电极上进行电化学聚合,制备了其相应的聚合物PTT-TEMPO。PTT-TEMPO膜显示出均匀的网络结构。与裸露的Pt电极相比,PTT-TEMPO电极在类似条件下,在2,6-二甲基吡啶存在下,对苯甲醇的氧化具有较高的电催化性能。根据原位FTIR分析,将苄醇选择性氧化为苯甲醛。

更新日期:2019-12-04
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