Gregory G. Warr

 School of Chemistry, The University of Sydney

Amphiphile Self-Assembly, Complex Fluids and Interfacial Structure

 

 

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Career History

Professor and Head, School of Chemistry, The University of Sydney 2007-2012
Professor, School of Chemistry, The University of Sydney 2004-
Guest Researcher, NIST Center for Neutron Research 2004 
Visiting Professor, University of Bordeaux 2001
Principal Scientist, Rhone-Poulenc/CNRS Complex Fluids Laboratory 1996-7
Visiting Fellow, Princeton University. Dept. Chem. Eng. 1992-3, Princeton Materials Institute 1996-7
Research Associate, Centre d'Etudes Nucléaires,1987-8 
Postdoctoral Fellow, University of Minnesota, 1985-7
Ph.D. 1986, B.Sc.(Hons) 1981, The University of Melbourne.

Selected Publications and Reprints (Click here for a full publication list. Links depend on local subscription/access)

 

“ Surface Structure of a “Non-Amphiphilic” Protic Ionic Liquid ” D. Wakeham, P. Niga, C. Ridings, G. Andersson, A. Nelson, G.G. Warr, S. Baldelli, M.W. Rutland, R. Atkin , Phys. Chem. Chem. Phys. 2012 . DOI: 10.1039/C2CP23694J

“ Micellization of Monomeric and Poly-w-methacryloyloxyundecyltrimethylammonium Surfactants ” P.A. FitzGerald, K. Chatjaroenporn, X. Zhang, G.G. Warr, Langmuir 2011 27 , 11852-11859.

“A Non-Aqueous Liquid Crystal Emulsion: Fluorocarbon Oil in a Hexagonal Phase in an Ionic Liquid” S.C. Sharma, G. G. Warr, J. Phys. Chem. Lett. 2011 , 2 , 1937-39

“Amphiphilicity Determines Nanostructure in Protic Ionic Liquids” R. Hayes, S. Imberti, G.G. Warr and R. Atkin, Phys. Chem. Chem. Phys. 2011 ,  13 , 3237-3247

"Propylammonium Nitrate as a Solvent for Amphiphile Self-Assembly into Micelles, Lyotropic Liquid Crystals, and Microemulsions" Rob Atkin, Sophie M. C. Bobillier and Gregory G. Warr J. Phys. Chem. B , 2010 , 114 (3), pp 1350–1360

“Optimized Steric Stabilization of Aqueous Ferrofluids and Magnetic Nanoparticles” N. Jain, Y. Wang, S.K. Jones, B.S. Hawkett, G.G. Warr , Langmuir 2010, 26 , 4465–4472

“Linkage by Elimination/Addition: A simple synthesis for a family of oligomeric alkylpyridinium surfactants.” K.A. White and G.G. Warr J. Colloid Interface Sci. , 337 2009 , 304–306

“Structure of Nonionic Surfactant Micelles in Ethylammonium Nitrate ” M.U. Araos, G.G. Warr, Langmuir 2008 , 24 , 9354-9360.

“Phase Behaviour and Microstructure of Microemulsions with a Room Temperature Ionic Liquid as the Polar Phase ” R. Atkin and G.G. Warr, J. Phys. Chem. B.2007,111, 9309-9316.

“Structure in Confined Room Temperature Ionic Liquids” R. Atkin and G.G. Warr, J. Phys. Chem. C 2007, 111, 5162-68.

“Self-Assembly of Nonionic Surfactants into Lyotropic Liquid Crystals in Ethylammonium Nitrate, a Room-Temperature Ionic Liquid,” M.U. Araos, G.G. Warr, J. Phys. Chem. B.2005, 109, 14275-14277

“Shear-induced collapse in a lyotropic lamellar phase” L. Porcar , G.G. Warr , W. A. Hamilton , and P. D. Butler, Phys. Rev. Lett. 2005 , 95, 078302

“Micellar Structure in Gemini Nonionic Surfactants from Small-Angle Neutron Scattering ,” P.A. FitzGerald, T.W. Davey, G.G. Warr, Langmuir 2005, 21, 7121-7128

“Self-Assembly of a Nonionic Surfactant at the Graphite/Ionic Liquid Interface” R. Atkin, G.G. Warr, J. Am. Chem. Soc.2005, 127, 11940-11941

Direct Visualization of Mesh Structures at Solid/Solution Interfaces by Atomic Force Microscopy. A. Blom, F.P. Duval, L. Kovacs and G.G. Warr, Langmuir, 2004, 20 1291-1297

Scaling of Structural and Rheological Response of L3 Sponge Phases in the "Sweetened" Cetylpyridinium/Hexanol/Dextrose/Brine System. L. Porcar, W. A. Hamilton, P. D. Butler, and G. G. Warr, Langmuir, 2003, 19, 10779-10794.

Adsorbed Layer Structure of Cationic and Anionic Surfactants on Mineral Oxide Surfaces. J.C. Schulz and G.G. Warr, Langmuir, 2002, 18, 3191-3197.

"Cation Selectivity at Air/Anionic Surfactant Solution Interfaces" V.E. Haverd, G.G. Warr, Langmuir 2000, 16, 157-160.

Branching in Systems of Thread-like Micelles, M. In, G.G. Warr, R. Zana, Phys. Rev. Lett., 1999, 83, 2278

"A New Model For Neutron Reflectometry of Adsorbed Surfactant Aggregates", Jamie C. Schulz, Gregory G. Warr, William A. Hamilton, Paul D. Butler, J. Phys. Chem. B. 1999, 103, 11057-63.

Self-Assembly Structures of Nonionic Surfactants at Graphite/Solution Interfaces. H.N. Patrick, G.G. Warr, S. Manne, I.A. Aksay, Langmuir, 1997, 13, 4349.

"Measurement of the Selective Adsorption of Ions Air/Solution Interfaces" J.D. Morgan, D.H. Napper, G.G.Warr and S.K. Nicol, Langmuir, 1994, 10, 797.

Elongational Flow of Solutions of Rodlike Micelles. R.K. Prud'homme and G.G. Warr, Langmuir, 1994, 10, 3419

"Liquid-Liquid Phase Separation in Cationic Micellar Solutions". G.G.Warr, T.N.Zemb and M.Drifford, J.Phys.Chem., 1990, 94, 3086-92.

"Determination of Micelle Size and Polydispersity by Fluorescence Quenching.", G.G.Warr,  F.Grieser and D.F.Evans, J. Chem. Soc., Faraday Trans. 1, 1986, 82, Theory and Numerical Results 1813; Experimental Results 1829.