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Issue 1, 2020
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Accelerated charge transfer in water-layered peptide assemblies

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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.

Graphical abstract: Accelerated charge transfer in water-layered peptide assemblies

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Article information

06 Sep 2019
19 Nov 2019
First published
19 Nov 2019

Energy Environ. Sci., 2020,13, 96-101
Article type

Accelerated charge transfer in water-layered peptide assemblies

K. Tao, J. O. Donnell, H. Yuan, Ehtsham. U. Haq, S. Guerin, L. J. W. Shimon, B. Xue, C. Silien, Y. Cao, D. Thompson, R. Yang, S. A. M. Tofail and E. Gazit, Energy Environ. Sci., 2020, 13, 96
DOI: 10.1039/C9EE02875G

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