Easun, Tim - Cardiff University - School of Chemistry

个人简介

Msci Chemistry (with ERASMUS semester at the Università degli Studi di Sassari, Italy), University of Nottingham (1998-2002); PhD, University of Sheffield (2003-2007, Prof. Mike Ward); Postdoctoral Research Fellow, University of Nottingham (2007-2010, Prof. Mike George); Inorganic Teaching Fellow, University of Nottingham (2010-2011); Senior Research Officer, University of Nottingham (2011-2015, Prof. Martin Schröder, Dean of the Faculty of Science). Appointed Cardiff University Research Fellow 2015. Member of the Royal Society of Chemistry, the American Chemical Society, the Infrared & Raman Discussion Group and the EPSRC Directed Assembly Grand Challenge Network.

研究领域

Dr Easun's research targets the use of photochemistry to control molecular flow in microporous materials in order to make functional nanofluidic devices. This involves the functionalisation of crystalline porous materials, specifically using thermally and photochemically active components to control framework properties and direct guest uptake and release. The key concepts that underpin this research are those of supramolecular photochemistry, nanofluidics, time-resolved spectroscopies, photocrystallography and microporous materials with nanoscale pores and channels. The work is focussed on two main areas: the surface modification of metal-organic framework (MOF) crystals to photogate access to and from their pores and the design of new MOF linkers that change shape on photoirradiation. These projects require the design, synthesis and characterisation of photoactive molecules, studied by ultrafast time-resolved and spatially-resolved spectroscopies, coupled with new and emerging photocrystallographic techniques that allow us to understand in detail the behaviour of these molecules in single crystals.

近期论文

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Lu, Z.et al. 2017. Modulating supramolecular binding of carbon dioxide in a redox-active porous metal-organic framework. Nature Communications 8, pp. 14212. (10.1038/ncomms14212) pdf Moreau, F.et al. 2017. Unravelling exceptional acetylene and carbon dioxide adsorption within a tetra-amide functionalized metal-organic framework. Nature Communications 8, article number: 14085. (10.1038/ncomms14085) pdf Martin, A.et al. 2017. The effect of carboxylate position on the structure of a metal organic framework derived from cyclotriveratrylene. Crystengcomm 19(4), pp. 603-607. (10.1039/C6CE01965J) pdf Easun, T.et al. 2016. Structural and dynamic studies of substrate binding in porous metal-organic frameworks. Chemical Society Reviews 46(1), pp. 239-274. (10.1039/C6CS00603E) pdf Henley, A.et al. 2016. Computational evaluation of the impact of incorporated nitrogen and oxygen heteroatoms on the affinity of polyaromatic ligands for carbon dioxide and methane in metal-organic frameworks. Journal of Physical Chemistry C 120(48), pp. 27342-27348. (10.1021/acs.jpcc.6b08767) pdf Savage, M.et al. 2016. Selective adsorption of sulfur dioxide in a robust metal-organic framework material. Advanced Materials 28(39), pp. 8705-8711. (10.1002/adma.201602338) pdf Benson, O.et al. 2016. Amides do not always work: observation of guest binding in an amide-functionalised porous host. Journal of the American Chemical Society 138(45), pp. 14828-14831. (10.1021/jacs.6b08059) pdf Pili, S.et al. 2016. Proton conduction in a phosphonate-based metal-organic framework mediated by intrinsic "free diffusion inside a sphere". Journal of the American Chemical Society 138(20), pp. 6352-6355. (10.1021/jacs.6b02194) pdf O'Connor, A.et al. 2016. Aurophilicity under pressure: a combined crystallographic and in-situ spectroscopic study. Chemical Communications- Royal Society of Chemistry 52, pp. 6769-6772. (10.1039/C6CC00923A) pdf Laybourn, A.et al. 2016. Understanding the electromagnetic interaction of metal organic framework reactants in aqueous solution at microwave frequencies. Physical Chemistry Chemical Physics 18(7), pp. 5419-5431. (10.1039/C5CP05426E) pdf Krap, C.et al. 2016. Enhancement of CO2 adsorption and catalytic properties by Fe-doping of [Ga2(OH)2(L)] (H4L = Biphenyl-3,3′,5,5′-tetracarboxylic Acid), MFM-300(Ga2). Inorganic Chemistry -American Chemical Society- 55(3), pp. 1076-1088. (10.1021/acs.inorgchem.5b02108) pdf