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Highly Transmissive, Processable, Highly Conducting and Stable Polythiophene Derivatives via Direct (Hetero)arylation Polymerization
ACS Macro Letters ( IF 5.1 ) Pub Date : 2024-08-15 , DOI: 10.1021/acsmacrolett.4c00397
Catherine Beaumont 1 , Thomas Lemieux 1 , Stefania Aivali 1 , Mona Hamidzad Sangachin 1 , Akpeko Gasonoo 2 , Tristan Marcoux St-Pierre 1 , Marissa Bélanger 1 , Serge Beaupré 1 , Gregory C Welch 2 , Mario Leclerc 1
Affiliation  

The development of modern optoelectronic devices increases the need for lightweight and flexible transparent conductors. It is thus essential to develop new eco-friendly materials that can be easily processed for the fabrication of such devices. For this purpose, the synthesis of self-doped, highly conducting, transmissive, and water-processable polythiophene derivatives was performed via the direct heteroarylation polymerization method and a protection/deprotection strategy. Stable conductivities up to 1000 S cm–1 have been obtained. Champion materials (P1 and P7) were scaled and processed via the roll-to-roll compatible slot-die coating method to demonstrate their large area applicability. The best coated films exhibited optical transmittance greater than 79% at 550 nm with sheet resistances of 116 Ω □–1. These values are comparable to indium–tin oxide on plastic and thus present a viable alternative to metal oxide-based electrodes.

中文翻译:


通过直接(杂)芳基化聚合制备高透射率、可加工、高导电且稳定的聚噻吩衍生物



现代光电器件的发展增加了对轻质、柔性透明导体的需求。因此,开发易于加工的新型环保材料以制造此类设备至关重要。为此,通过直接杂芳基化聚合方法和保护/脱保护策略合成了自掺杂、高导电、透射和可水处理的聚噻吩衍生物。已获得高达 1000 S cm –1 的稳定电导率。冠军材料( P1P7 )通过卷对卷兼容槽模涂布方法进行缩放和加工,以证明其大面积适用性。最好的涂层薄膜在 550 nm 处表现出大于 79% 的光学透射率,方块电阻为 116 Ω □ –1 。这些值与塑料上的氧化铟锡相当,因此是金属氧化物电极的可行替代品。
更新日期:2024-08-15
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