研究领域

Catalysis/Sustainability and Applied Inorganics

Dr Andrew Ashley’s research interests pivot around the catalytic activation of dihydrogen into proton and hydride equivalents, in order to bring about a step change in the reactivity of the hydrogen molecule with reducible substrates. Systems capable of such a transformation are the recently discovered ‘Frustrated Lewis Pairs’ (FLPs) which are based on non-metal components such as amines and Lewis acidic boranes. In conjunction with efforts to design new thermally and hydrolytically stable FLPs, novel metal-based systems capable of effecting the reversible splitting of hydrogen are also being investigated. The primary goal is then to effect the hydrogenation of important small molecules (which are coordinated to transition metal based co-catalysts), mediated by sequential ‘proton coupled hydride transfer’ using activated hydrogen. Since hydrogen can be synthesised from the splitting of water using renewable solar energy we can obtain routes to the chemical storage of hydrogen and thus energy.

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Hill PJ, Doyle LR, Crawford AD, Myers WK, Ashley AE et al., 2016, Selective Catalytic Reduction of N2 to N2H4 by a Simple Fe Complex, Journal of the American Chemical Society, ISSN: 1520-5126 Pages:13521–13524 Scott DJ, Phillips NA, Sapsford JS, Deacy AC, Fuchter MJ, Ashley AE et al., Versatile Catalytic Hydrogenation Using A Simple SnIV Lewis Acid, Angewandte Chemie International Edition, ISSN: 1433-7851 Lawrence EJ, Blagg RJ, Hughes DL, et al., 2015, A Combined "Electrochemical-Frustrated Lewis Pair" Approach to Hydrogen Activation: Surface Catalytic Effects at Platinum Electrodes, Chemistry-a European Journal, Vol:21, ISSN:0947-6539, Pages:900-906 Chadwick FM, Cooper RT, Ashley AE, et al., 2014, Early Transition Metal Permethylpentalene Complexes for the Polymerization of Ethylene, Organometallics, Vol:33, ISSN:0276-7333, Pages:3775-3785 Doyle LR, Heath A, Low CH, et al., 2014, A Convenient Synthetic Protocol to 1,2-Bis(dialkylphosphino)ethanes, Advanced Synthesis & Catalysis, Vol:356, ISSN:1615-4150, Pages:603-608 Scott DJ, Fuchter MJ, Ashley AE, 2014, Metal-Free Hydrogenation Catalyzed by an Air-Stable Borane: Use of Solvent as a Frustrated Lewis Base, Angewandte Chemie-international Edition, Vol:53, ISSN:1433-7851, Pages:10218-10222 DOIAuthor Web LinkOpen Access Link Lawrence EJ, Oganesyan VS, Hughes DL, et al., 2014, An Electrochemical Study of Frustrated Lewis Pairs: A Metal-Free Route to Hydrogen Oxidation, Journal of the American Chemical Society, Vol:136, ISSN:0002-7863, Pages:6031-6036