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Accelerated charge transfer in water-layered peptide assemblies.
Energy & Environmental Science ( IF 32.4 ) Pub Date : 2019-11-19 , DOI: 10.1039/c9ee02875g
Kai Tao 1 , Joseph O' Donnell 2 , Hui Yuan 3 , Ehtsham U Haq 2 , Sarah Guerin 2 , Linda J W Shimon 4 , Bin Xue 5 , Christophe Silien 2 , Yi Cao 5 , Damien Thompson 2 , Rusen Yang 3 , Syed A M Tofail 2 , Ehud Gazit 1
Affiliation  

Bioinspired assemblies bear massive potential for energy generation and storage. Yet, biological molecules have severe limitations for charge transfer. Here, we report L-tryptophan-D-tryptophan assembling architectures comprising alternating water and peptide layers. The extensive connection of water molecules results in significant dipole–dipole interactions and piezoelectric response that can be further engineered by doping via iodine adsorption or isotope replacement with no change in the chemical composition. This simple system and the new doping strategies supply alternative solutions for enhancing charge transfer in bioinspired supramolecular architectures.

中文翻译:

水层肽组装体中的加速电荷转移。

仿生组件在能源产生和储存方面具有巨大的潜力。然而,生物分子对于电荷转移有严重的限制。在这里,我们报告了包含交替的水层和肽层的L-色氨酸-D-色氨酸组装结构。水分子的广泛连接导致显着的偶极-偶极相互作用和压电响应,可以通过吸附或同位素置换进行掺杂来进一步设计,而不会改变化学成分。这种简单的系统和新的掺杂策略为增强仿生超分子结构中的电荷转移提供了替代解决方案。
更新日期:2019-11-19
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