Please use this identifier to cite or link to this item: http://hdl.handle.net/2067/42766
Title: Excitation of the ligand-to-metal charge transfer band induces electron tunnelling in azurin
Authors: Baldacchini, Chiara 
Bizzarri, Anna Rita 
Cannistraro, Salvatore 
Journal: APPLIED PHYSICS LETTERS 
Issue Date: 2014
Abstract: 
Optical excitation of azurin blue copper protein immobilized on indium-tin oxide, in resonance with its ligand-to-metal charge transfer absorption band, resulted in a light-induced current tunnelling within the protein milieu. The related electron transport rate is estimated to be about 105 s -1. A model based on resonant tunnelling through an azurin excited molecular state is proposed. The capability of controlling electron transfer processes through light pulses opens interesting perspectives for implementation of azurin in bio-nano-opto-electronic devices. © 2014 AIP Publishing LLC.
URI: http://hdl.handle.net/2067/42766
ISSN: 1077-3118
DOI: 10.1063/1.4867884
Appears in Collections:A1. Articolo in rivista

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