All-Conjugated ABC-<i>block</i>-copolymer Formation with a Varying Sequence via an Unassociated Catalyst
作者:Michiel Verswyvel、Joost Steverlynck、Slim Hadj Mohamed、Mahmoud Trabelsi、Benoît Champagne、Guy Koeckelberghs
DOI:10.1021/ma500610p
日期:2014.7.22
This manuscript consists of two parts which focus on enhancing control over the polymerization of conjugated polymers. In the first part, the controlled chain-growth character of the polymerization of poly(selenophene) using Pd(Ruphos) as a catalyst system is demonstrated. Next, all-conjugated thiophene–fluorene–selenophene triblock-copolymers are synthesized in all possible orders using this catalyst
该手稿由两部分组成,着重于增强对共轭聚合物聚合的控制。在第一部分中,展示了使用Pd(Ruphos)作为催化剂体系的聚硒烯聚合反应的受控链增长特性。接下来,使用该催化剂以所有可能的顺序合成全共轭噻吩-芴-硒烯三嵌段共聚物。随后,使用GPC色谱和1 H NMR,UV-vis和荧光测量评估了这些高级结构的性质。进行DFT计算以解释聚合过程中单体序列的异常独立性,这在传统上通常会在共轭聚合物的其他链增长方案中观察到。