Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/104142
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Type: Journal article
Title: Exploiting the interplay of quantum interference and backbone rigidity on electronic transport in peptides: a step towards bio-inspired quantum interferometers
Author: Yu, J.
Horsley, J.
Abell, A.
Citation: Molecular Systems Design &​ Engineering, 2017; 2(1):67-77
Publisher: Royal Society of Chemistry
Issue Date: 2017
ISSN: 2058-9689
2058-9689
Statement of
Responsibility: 
Jingxian Yu, John R. Horsley and Andrew D. Abell
Abstract: Electron transfer in peptides provides an opportunity to mimic nature for applications in bio-inspired molecular electronics. However, quantum interference effects, which become significant at the molecular level, have yet to be addressed in this context. Electrochemical and theoretical studies are reported on a series of cyclic and linear peptides of both β-strand and helical conformation, to address this shortfall and further realize the potential of peptides in molecular electronics. The introduction of a side-bridge into the peptides provides both additional rigidity to the backbone, and an alternative pathway for electron transport. Electronic transport studies reveal an interplay between quantum interference and vibrational fluctuations. We utilize these findings to demonstrate two distinctive peptide-based quantum interferometers, one exploiting the tunable effects of quantum interference (β-strand) and the other regulating the interplay between the two phenomena (3₁₀-helix).
Description: Accepted 29th November 2016
Rights: This journal is © The Royal Society of Chemistry 2017
RMID: 0030066933
DOI: 10.1039/C6ME00077K
Appears in Collections:IPAS publications

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