A functionalised nickel cyclam catalyst for CO2 reduction: electrocatalysis, semiconductor surface immobilisation and light-driven electron transfer. Issue 3 (2nd December 2014)

• Record Type: Journal Article
• Authors: Neri, Gaia; Walsh, James J.; Wilson, Calum; Reynal, Anna; Lim, Jason Y. C.; Li, Xiaoe; White, Andrew J. P.; Long, Nicholas J.; Durrant, James R.; Cowan, Alexander J.
• Is Part Of: Physical chemistry chemical physics. Volume 17:Issue 3(2015)
• Page Start: 1562
• Page End: 1566
• Publication Date: 2014-12-02
• Subjects: Chemistry, Physical and theoretical -- Periodicals; 541.3
• DOI: 10.1039/c4cp04871g
• Languages: English
• ISSNs: 1463-9076

Abstract

Abstract : Covalent immobilisation of a low cost electrocatalyst leads to an enhanced rate of photoelectron transfer from a light absorbing semiconductor. Abstract : The immobilisation of electrocatalysts for CO2 reduction onto light harvesting semiconductors is proposed to be an important step towards developing more efficient CO2 reduction photoelectrodes. Here, we report a low cost nickel cyclam complex covalently anchored to a metal oxide surface. Using transient spectroscopy we validate the role of surface immobilisation on enhancing the rate of photoelectron transfer. Furthermore [Ni(1, 4, 8, 11-tetraazacyclotetradecane-6-carboxylic acid)] 2+ (2 ) is shown to be a very active electrocatalyst in solution.