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This Page Last Modified:
  18 December 2014

Welcome to the Armes Research Group at the University of Sheffield. Please use the links in the Section panel (on the left of every page) to navigate around our site.

Background

This group has a wide ranging interest in both the synthesis and applications of polymers. Our research interests include the synthesis of micelles using novel hydrophilic-hydrophilic diblock copolymers exhibiting stimuli-responsive behaviour, the synthesis of shell-cross-linked micelles using novel ABC triblock copolymers, and the synthesis of novel polymeric surfactants. The group also conducts research into the synthesis and characterisation of conducting polymers in the form of colloidal dispersions, nanocomposites, and core-shell micelles. Vinyl polymer-silica nanocomposites have also been extensively studied, based on the simple synthesis route to conducting polymer-silica nanocomposite particles discovered by this group.

The group has used a wide range of polymer synthesis techniques, including conventional free-radical polymerisation, living cationic polymerisation, group-transfer polymerisation, nitroxide-mediated polymerisation,atom transfer radical polymerisation (ATRP) and reversible addition fragmentation chain transfer (RAFT) polymerisation.

Recent research highlights include the synthesis and aqueous self-assembly of a variety of amphiphilic block copolymers using RAFT and ATRP and the preparation of covalently cross-linked colloidosomes.

A picture gallery of some of the electron microscopy images obtained by past and present members is available here.



News 2014

January: Dave Growney attends LUM conference in Berlin and presents a talk on the dispersion of carbon black particles in non-aqueous solutions, Chem. Mater paper accepted titled: "Visible Mie Scattering from Hollow Silica Particles with Particulate Shells"

February: Mark Williams passes his PhD Viva, Langmuir paper accepted titled: "Double Emulsions and Colloidosomes-in-Colloidosomes Using Silica-Based Pickering Emulsifiers"

March: Trip to ESRF: "SAXS study of the mechanism for the reversible worm to sphere transition of thermosresponsive diblock copolymer micelles", Polym. Chem. paeper accepted titled: "RAFT polymerization of hydroxy-functional methacrylic monomers under heterogeneous conditions: effect of varying the core-forming block ", Boimeter. Sci. paper accepted titled: "Translocation of flexible polymersomes across pores at the nanoscale", JACS paper accepted titled: "Thermoresponsive diblock copolymer worm gels in non-polar solvents", Soft Matter paper accepted titled: "Aqueous block copolymer worm gels can be readilyreconstituted from freeze-dried worms", Dr N. Warren visits Japan to present at two Universities, Dr. Beulah McKenzie joins Research group, Dr. Xuan Xue leaves Research group

April: Liam Ratcliffe passes his PhD Viva, Kay Doncom joins Reasearch group

May: A huge congratulations to Prof. Steve Armes for being named a Fellow of the Royal Society. See here

6th May: Again congratulations, as Prof. Steve Armes has been awarded the 2014 Royal Society of Chemistry Interdisciplinary Prize, a prestigious national prize for his outstanding contribution to the field of space science. See here

12th May: Dave Growney's first paper accepted for publication in Langmuir, titled: "Micellization and Adsorption Behavior of a Near-Monodisperse Polystyrene-based Diblock Copolymer in Non-Polar Media" See here

20th May: Congratulations to Matt Derry, who won the prize for the best poster presentation at Lubrizol conference for the second year running

June: Trip to Diamond Synchrotron Facility (Oxfordshire) for SAXS analysis (Dr. Oleksandr Mykhaylyk, Dr. Nick Warren, Dr. Lee Fielding, Dr. Pengcheng Yang, Matt Derry, Charlotte Mable) Dr. Lee Fielding presented two talks at the 'ACS 2014 Colloid & Surface Science Symposium' (June 22nd-25th)

July: UK Colloids 2014, with talks from: Prof. Steve Armes, Dr. Kate Kirkham, David Growney, Vicki Cunningham. Posters presented by: Dr. Mark Williams, Dr. Pengcheng Yang, Matt Derry, Lizzy Jones, Vicki Cunningham. YRM 2014 (Durham), with talk from: Matt Derry (which lead to him winning: Domino Macro Group Annual Young Polymer Scientist 2014; Third Prize). Posters were also presented by: Dr. Liam Ratcliffe, David Growney, Matt Derry, Joe Lovett, Nick Penfold, Charlotte Mable

August: ACS International Conference (San Francisco), with talks from: Prof. Steve Armes, Dr. Mark Willimas, Dr. Lee Fielding, Dr. Nick Warren, Dr. Andrew Morse, David Growney, and Vicki Cunningham. Posters presented by: Dr. Nick Warren, Dr. Liam Ratcliffe, Matt Derry, David Growney, Lizzy Jones, Charlotte Mable (for which a prize was awarded), Vicki Cunningham, Joe Lovett. Dr. Lee Fielding visited the Estroff group at Cornell University for collaborative work/knowledge transfer, Armes Group Summer BBQ

November: Dr. Lee Fielding was an invited speaker for an departmental seminar at the Materials and Engineering Research Institute (MERI), Sheffield Hallam University

December: Congratulations to Steve, having had his 500th paper accepted (17/12/14). Congratulations to Joe Lovett, whose paper was accepted into Angewandte Chemie, titled: "End Group ionisation drives a worm-to-sphere transition"













Further Information

You can find a wide range of information on our group using the links in the navigation panel on the left, such as details of our research and publications and information about group members.

Below are additional links to the main home page for the University of Sheffield and the main home page for the school to which we belong, a link to the Department of Chemistry, and a link to the Polymer Centre home page. For information on travelling to the University of Sheffield, see the Information for Visitors page.

These pages are designed to be displayed properly on a wide variety of browsers, and to be as accessible as possible. If this is not the case for you, we would welcome feedback via our feedback page.

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> University of Sheffield
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Contact Details
> Professor Steven P. Armes
Department of Chemistry
Dainton Building
University of Sheffield
Brook Hill
Sheffield
S3 7HF
United Kingdom