Development of new electrochemical based sensors (based on diamond, nanotubes, graphene, nanoparticles) for a variety of different applications in healthcare, pharmaceutical analysis, environmental, and homeland security (often in collaboration with industry). Scanned probe techniques for nanoscale imaging of surface activity related to fuel cell catalysis, sensor activity; sensor device fabrication using lithographic techniques; microfluidic flow cell development for novel ways to deliver fluid flow in sensor device platforms; new analytical technique development for species analysis in solutions.
Electrochemical Mapping Reveals Direct Correlation Between Heterogeneous Electron Transfer Kinetics and Local Density of States in Diamond Electrodes, H.V.Patten, K.E. Meadows, L.A. Hutton, J.G.Iacobini, D.Battistel, K.McKelvey, AW Colburn, ME Newton, JV Macpherson, PR Unwin, Angew Chemie Intl, 2012, 51, 7002-7006
Electrochemistry at Nanoscale Electrodes: Individual Single-Walled Carbon Nanotube (SWNTs) and SWNT-Templated Metal Nanowires P.Dudin, M.E.Snowden, J.V. Macpherson and P.R.Unwin, ACS Nano, 2011, 5, 10017-10025
Electrodeposition of Nickel Hydroxide Nanoparticles on Boron Doped Diamond Electrodes for Oxidative Electrocatalysis, L.A Hutton, M. Vidotti, A.N.Patel, M.E. Newton, P. R. Unwin and J.V. Macpherson, J. Phys. Chem. C2011, 115, 1649-1658.
Carbon Nanotube Tips for Atomic Force Microscopy N.R.Wilson and J.V. Macpherson, Nature Nanotechnology, 2009, 4, 483-491
Ultrathin Carbon Nanotube Mat Electrodes for Enhanced Amperometric Detection I. Dumitrescu, J.P. Edgeworth, P.R. Unwin and J.V. Macpherson, Adv. Mater. 2009, 21, 3105-3109
Amperometric Oxygen Sensor Based on a Platinum Nanoparticle Modified Polycrystalline Boron Doped Diamond L.A. Hutton, M.E. Newton, P.R. Unwin and J.V. Macpherson, Anal. Chem. 2009, 81, 1023-1032
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Department of Chemistry, University of Warwick, Gibbet Hill, Coventry, CV4 7AL