Ionic Liquids

Ionic liquids are a new type of solvent capable of producing substantial industrial and environmental benefits.

  • general articles about ionic liquids for the non-specialist
  • books about ionic liquids
  • journal review articles and special issues about ionic liquids
  • links to other ionic liquid sites, and to other research groups who study ionic liquids
Scroll down to see recent conferences and group publications related to ionic liquds
Research Highlights

  • March 2016 Matthew Clough has his "paper on Azoniaspiro ILs published.
  • August 2015 Richard Matthews has his paper "Hydrogen bonding and π-π interactions in imidazolium-chloride ILs published.
  • Jan 2015 Matthew Clough has his paper on the decomposition of sugars in ILs as a front cover for Green Chemistry.
  • Jan 2015 Tricia has her H-bonding in ILs review published in Chem. Soc. Rev.
  • Scroll to the bottom of the page to see past highlights

Activities related to Ionic Liquids

Conference: APCIL-5 Keynote
Conference: Gordon Conference Invited
Conference: EMLG Invited
Conference: USA 229th ECS Invited
Invited talks UK: Belfast
collaborative project with GSK funded
Conference: APCIL-4/ASIL-6 Keynote
Invited talks UK: Warwick
PhD CASE award with AWE
Conference: CECAM Workshop on Ionic Liquids Invited
Conference: COIL5 Invited
Conference: Workshop ILs in confined geometries Invited
Consulting BASF
Conference: CCP5 Summer School Plenary
Kickstart grant: ILs for Recycling WEEE
Invited talks Ireland: Galway, UK: Nottingham
Consulting BASF
Conference: COIL4 Keynote
Conference: Ionic Liquids and Coulomb Fluids at interfaces. Invited
Invited talks USA: LLNL
Invitation to speak at WATOC
Consulting BASF
Conference: Spring ACS and session chair
Conference: PACIFICHEM
Invited talks USA: University of Notre-Dame, PenState, Cytec (Canada)
Consulting BASF
Mention in Chemistry World article: Solvents reveal their ionic powers
Conference: COIL3 and session chair
Conference: PACIFICHEM
Invited talks USA: University of Notre-Dame, PenState, Cytec (Canada)
Consulting BASF


  • 27. doi A structural investigation of ionic liquid mixtures, Richard P. Matthews, Ignacio J. Villar-Garcia, Cameron C. Weber, Jeraime Griffith, Fiona Cameron, Jason P. Hallett, Patricia A. Hunt and Tom Welton PCCP, 2016, 18, p8608-8624
  • 26. doi Azoniaspiro salts: towards bridging the gap between room-temperature ionic liquids and molten salts, M.T. Clough, K. Geyer, P.A. Hunt, A.J.S. McIntosh, R. Rowe, T. Welton and A.J.P. White PCCP, 2016, 18, p3339-3351
  • 25. doi Molecular features contributing to the lower viscosity of phosphonium ionic liquids compared to their ammonium analogues, L. Scarbath-Evers, P.A. Hunt, B. Kirchner, D.R. MacFarlane and S. Zahn, PCCP, 2015 17 (31), p20205-20216
  • 24. doi Hydrogen bonding and pi-pi interactions in imidazolium chloride ionic liquid clusters, R. Matthews, T. Welton and P.A. Hunt, PCCP, 2015, 17 (22), p14437-14453
  • 23. doi A RIKES and simulation study comparing a benzylmethylimidazolium ionic liquid with an equimolar mixture of dimethylimidazolium and benzene. L. Xue, G. Tamas, R. Matthews, A. Stone, P.A. Hunt, E Quitevis, and R.Lynden-Bell, PCCP, 2015 17 (15), p9973-9983
  • 22. doi H-bonding in Ionic Liquids, P.A. Hunt, Richard Matthews and Claire Ashworth Chemical Society Reviews, 2015, 44, p1257-1288
  • 21. doi A physicochemical investigation of ionic liquid mixtures, M.T. Clough, C.R. Crick, J. Grasvik, P.A. Hunt, H. Niedermeyer, T. Welton and O.P. Whitaker, Chemical Science, 2015, Vol 6, p1101-1114
  • 20. doi Ionic liquids: not always innocent solvents for cellulose, M. Clough, K. Geyer, P.A. Hunt, S. Son, U. Vagt and T. Welton, Green Chem., 2015,Vol 17, p231-243. Front cover.
  • 19. doi New Experimental Density Data and Soft-SAFT Models of Alkylimidazolium ([CnC1im]+) Chloride (Cl-), Methylsulfate ([MeSO4]-), and Dimethylphosphate ([Me2PO4]-) Based Ionic Liquids, N. Mac Dowell, F. Llovell, N. Sun, J.P. Hallett, A. George, P.A. Hunt, T. Welton, B.A. Simmons, and L.F. Vega, J. Phys. Chem. B, 2014, Vol 118 Iss. 23, p6206
  • 18.doi The impact of anion electronic structure: Similarities and differences in imidazolium based ionic liquids, R. Matthews, C. Ashworth and P.A. Hunt, J. Phys.: Condens. Matter, 2014, 26, 284112.
  • 17. doi The importance of timescale for hydrogen bonding in imidazolium chloride ionic liquids, I. Skarmoutsos, T. Welton and P. A. Hunt, PCCP, 2014, 16, p3675.
  • 16. doi Competitive pi interactions and hydrogen bonding within imidazolium Ionic Liquids, R. Matthews, T. Welton and P.A. Hunt, PCCP, 2014, 16, p3238.
  • 15. doi Thermal decomposition of carboxylate ionic liquids: trends and mechanisms, M. Clough, K. Geyer, P.A. Hunt, J. Mertes and T. Welton, PCCP, 2013, 15, p20480.
  • 14. doi A step towards the a-priori design of ionic-liquids, Heiko Niedermeyer, Claire Ashworth, Agnieszka Brandt, Tom Welton and Patricia A. Hunt PCCP, 2013 15, 11566-11578
  • 13. doi Mixtures of ionic liquids, Heiko Niedermeyer, Jason P. Hallett, Ignacio J. Villar-Garcia, Patricia A. Hunt and Tom Welton, Chem. Soc. Rev., 2012,41, 7780-7802
  • 12. doi Hydrogen Bonding in 1-Butyl- and 1-Ethyl-3-methylimidazolium Chloride Ionic Liquids, Ioannis Skarmoutsos, Dimitris Dellis, Richard P. Matthews, Tom Welton, and Patricia A. Hunt, JPCB, 2012, Vol 116, Iss. (16), p4921-4933
  • 11. doi Understanding the polarity of ionic liquids , M. A. Ab Rani, A. Brant, L. Crowhurst, A. Dolan, M. Lui, N. H. Hassan, J. P. Hallett, P. A. Hunt, H. Niedermeyer, J. M. Perez-Arlandis, M. Schrems, T. Welton and R. Wilding, PCCP, 2011, Vol 13, Iss. (37), p16831-16840
  • 10. doi Salts dissolved in salts: ionic liquid mixtures, Matthew Y. Lui, Lorna Crowhurst, Jason P. Hallett, Patricia A. Hunt, Heiko Niedermeyer and Tom Welton Chemical Science, 2011, Vol 2, Iss. (8), p1491-1496
  • 9. doi Understanding siloxane functionalised ionic liquids H. Niedermeyer, M. Ab Rani, P. Lickiss, J. Hallett, T. Welton, A. White and P. Hunt , PCCP, 2010, Vol 12, Iss. (8), p2018-2029
  • 8. doi Why are ionic liquid ions mainly associated in water? A Car-Parrinello study of 1-ethyl-3-methyl-imidazolium chloride water mixture, C. Spickermann, J. Thar, S. Lehmann, S. Zahn, J. Hunger, R. Buchner, PA Hunt, T. Welton, B. Kirchner, J. Chem. Phys., 2008, Vol 129, Iss. (10), no 104505
  • 7. book Contribution to the chapter on "Computational Modelling of Ionic Liquids" in Ionic Liquids in Synthesis, Eds Peter Wasserscheid and Tom Welton, Wiley-VCH, Weinheim, 2007
  • 6. doi Why does a reduction in hydrogen-bonding lead to an increase in viscosity for the 1-butyl-2,3-dimethyl-imidazolium based ionic liquids?, P. Hunt , J. Phys. Chem. B., 2007, Vol 111, Iss. (18), 4844-53
  • 5. doi The structure of imidazolium-based ionic liquids: Insights from ion-pair interactions, P. Hunt, B. Kirchner and I. Gould, Aust. J. Chem., 2007, Vol 60, Iss. (1), 9-14
    times cited: 86 (19 Oct 2013)
  • 4. doi Characterising the Electronic Structure of Ionic Liquids; An examination of the 1-Butyl-3-Methylimidazolium Chloride Ion Pair, P. Hunt, B. Kirchner and T. Welton, Chem. Eur. J, 2006, Vol 12, Iss 26, 6762-6775
  • 3. doi Cooperativity in Ionic Liquids, S. Kossmann, J. Thar, B. Kirchner, P. Hunt and T. Welton, J. Chem. Phys., 2006, Vol 124, 174506
  • 2. doi The Simulation of Imidazolium Based Ionic Liquids, Patricia Hunt, Mol. Sim., 2006, Vol 32, Iss. 1, 1-10
  • 1. doi Structural Characterisation of the 1-Butyl-3-Methylimidazolium Chloride Ion Pair using Ab-initio Methods, P. Hunt and Ian Gould, J. Phys. Chem. A, 2006, Vol 110 Iss. (6), 2269-82

Previous Research Highlights
  • Oct 2013 Matthew has his article on thermal decomposition of carboxylate ionic liquids published in PCCP. Well done!
  • June 2013 Heiko and Claire have their article on predicting Kamlet-Taft parameters for ionic liquids published in PCCP. Well done!
  • April 2012 Yannis has his paper on article on H-bonding in ionic liquids published in PCCP. Well done!

  • May 2010 Our research noted in Chemistry World article: Solvents reveal their ionic powers