Imperial College London

PROFESSOR CHARLOTTE K. WILLIAMS

Faculty of Natural SciencesDepartment of Chemistry

Visiting Professor
 
 
 
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Contact

 

+44 (0)20 7594 5790c.k.williams Website

 
 
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Location

 

317 RCS1ChemistrySouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

159 results found

Chen TTD, Zhu Y, Williams CK, 2018, Pentablock Copolymer from Tetracomponent Monomer Mixture Using a Switchable Dizinc Catalyst, MACROMOLECULES, Vol: 51, Pages: 5346-5351, ISSN: 0024-9297

JOURNAL ARTICLE

Garcia-Trenco A, Regoutz A, White ER, Payne DJ, Shaffer MSP, Williams CKet al., 2018, PdIn intermetallic nanoparticles for the Hydrogenation of CO2 to Methanol, APPLIED CATALYSIS B-ENVIRONMENTAL, Vol: 220, Pages: 9-18, ISSN: 0926-3373

JOURNAL ARTICLE

Leung AHM, Pike SD, Clancy AJ, Yau HC, Lee WJ, Orchard KL, Shaffer MSP, Williams CKet al., 2018, Layered zinc hydroxide monolayers by hydrolysis of organozincs, CHEMICAL SCIENCE, Vol: 9, Pages: 2135-2146, ISSN: 2041-6520

JOURNAL ARTICLE

Regoutz A, Kerherve G, Villar-Garcia I, Williams CK, Payne DJet al., 2018, The influence of oxygen on the surface interaction between CO<inf>2</inf>and copper studied by ambient pressure X-ray photoelectron spectroscopy, Surface Science, Vol: 677, Pages: 121-127, ISSN: 0039-6028

© 2018 Elsevier B.V. Copper materials are widely used in heterogeneous catalysis, including CO2reduction, but the precise mechanisms and the oxidation states of Cu involved remain controversial. The surface chemistry at the interface between solid Cu and the CO2containing gas phase lies at the heart of the complex pathways involved in the catalytic interaction. This paper utilizes the technique of ambient pressure X-ray photoelectron spectroscopy (APXPS) to probe the surface chemistry of polycrystalline Cu in a pure CO2as well as a mixed CO2/O2atmosphere. Depending on the composition of the gas phase, distinct differences in both the oxidation state of the Cu surface as well as the composition and distribution of the carbon-containing products adsorbed to the metal surface are found. The addition of O2to the gas feed leads to oxidation of Cu to Cu2O leading to increased adsorbtion of oxygenated species. The presented results show how precise control over the sample environment enables insights into the chemistry of both the metal surface and the resulting adsorbed species at near-ambient pressures.

JOURNAL ARTICLE

Stoesser T, Williams CK, 2018, Selective Polymerization Catalysis from Monomer Mixtures: Using a Commercial Cr-Salen Catalyst To Access ABA Block Polyesters, ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, Vol: 57, Pages: 6337-6341, ISSN: 1433-7851

JOURNAL ARTICLE

Stosser T, Chen TTD, Zhu Y, Williams CKet al., 2018, 'Switch' catalysis: from monomer mixtures to sequence-controlled block copolymers, PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES, Vol: 376, ISSN: 1364-503X

JOURNAL ARTICLE

Thevenon A, Cyriac A, Myers D, White AJP, Durr CB, Williams CKet al., 2018, Indium Catalysts for Low-Pressure CO2/Epoxide Ring-Opening Copolymerization: Evidence for a Mononuclear Mechanism?, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Vol: 140, Pages: 6893-6903, ISSN: 0002-7863

JOURNAL ARTICLE

Zhu Y, Radlauer MR, Schneiderman DK, Shaffer MSP, Hillmyer MA, Williams CKet al., 2018, Multiblock Polyesters Demonstrating High Elasticity and Shape Memory Effects, MACROMOLECULES, Vol: 51, Pages: 2466-2475, ISSN: 0024-9297

JOURNAL ARTICLE

Garcia-Trenco A, White ER, Regoutz A, Payne DJ, Shaffer MSP, Williams CKet al., 2017, Pd2Ga-Based Colloids as Highly Active Catalysts for the Hydrogenation of CO2 to Methanol, ACS CATALYSIS, Vol: 7, Pages: 1186-1196, ISSN: 2155-5435

JOURNAL ARTICLE

Garden JA, White AJP, Williams CK, 2017, Heterodinuclear titanium/zinc catalysis: synthesis, characterization and activity for CO2/epoxide copolymerization and cyclic ester polymerization, DALTON TRANSACTIONS, Vol: 46, Pages: 2532-2541, ISSN: 1477-9226

JOURNAL ARTICLE

Marafie JA, Bradley DDC, Williams CK, 2017, Thermally Stable Zinc Disalphen Macrocycles Showing Solid-State and Aggregation-Induced Enhanced Emission, INORGANIC CHEMISTRY, Vol: 56, Pages: 5688-5695, ISSN: 0020-1669

JOURNAL ARTICLE

Myers D, White AJP, Forsyth CM, Bown M, Williams CKet al., 2017, Phosphasalen Indium Complexes Showing High Rates and Isoselectivities in rac-Lactide Polymerizations, ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, Vol: 56, Pages: 5277-5282, ISSN: 1433-7851

JOURNAL ARTICLE

Myers D, Witt T, Cyriac A, Bown M, Mecking S, Williams CKet al., 2017, Ring opening polymerization of macrolactones: high conversions and activities using an yttrium catalyst, POLYMER CHEMISTRY, Vol: 8, Pages: 5780-5785, ISSN: 1759-9954

JOURNAL ARTICLE

Pike SD, Garcia-Trenco A, White ER, Leung AHM, Weiner J, Shaffer MSP, Williams CKet al., 2017, Colloidal Cu/ZnO catalysts for the hydrogenation of carbon dioxide to methanol: investigating catalyst preparation and ligand effectst, CATALYSIS SCIENCE & TECHNOLOGY, Vol: 7, Pages: 3842-3850, ISSN: 2044-4753

JOURNAL ARTICLE

Pike SD, White ER, Regoutz A, Sammy N, Payne DJ, Williams CK, Shaffer MSPet al., 2017, Reversible Redox Cycling of Well-Defined, Ultrasmall Cu/Cu2O Nanoparticles, ACS NANO, Vol: 11, Pages: 2714-2723, ISSN: 1936-0851

JOURNAL ARTICLE

Romain C, Garden JA, Trott G, Buchard A, White AJP, Williams CKet al., 2017, Di-Zinc-Aryl Complexes: CO2 Insertions and Applications in Polymerisation Catalysis, CHEMISTRY-A EUROPEAN JOURNAL, Vol: 23, Pages: 7367-7376, ISSN: 0947-6539

JOURNAL ARTICLE

Saini PK, Fiorani G, Mathers RT, Williams CKet al., 2017, Zinc versus Magnesium: Orthogonal Catalyst Reactivity in Selective Polymerizations of Epoxides, Bio-derived Anhydrides and Carbon Dioxide, CHEMISTRY-A EUROPEAN JOURNAL, Vol: 23, Pages: 4260-4265, ISSN: 0947-6539

JOURNAL ARTICLE

Saini PK, Williams CK, 2017, Polymerisation catalysis using CO<inf>2</inf>: Dinuclear homogeneous catalysts, Modern Developments in Catalysis, Pages: 159-180, ISBN: 9781786341228

BOOK CHAPTER

Stosser T, Li C, Unruangsri J, Saini PK, Sablong RJ, Meier MAR, Williams CK, Koning Cet al., 2017, Bio-derived polymers for coating applications: comparing poly(limonene carbonate) and poly (cyclohexadiene carbonate), POLYMER CHEMISTRY, Vol: 8, Pages: 6099-6105, ISSN: 1759-9954

JOURNAL ARTICLE

Garcia-Trenco A, White ER, Shaffer MSP, Williams CKet al., 2016, A one-step Cu/ZnO quasi-homogeneous catalyst for DME production from syn-gas, CATALYSIS SCIENCE & TECHNOLOGY, Vol: 6, Pages: 4389-4397, ISSN: 2044-4753

JOURNAL ARTICLE

Giarola S, Romain C, Williams CK, Hallett JP, Shah Net al., 2016, Techno-economic assessment of the production of phthalic anhydride from corn stover, CHEMICAL ENGINEERING RESEARCH & DESIGN, Vol: 107, Pages: 181-194, ISSN: 0263-8762

JOURNAL ARTICLE

Myers D, Cyriac A, Williams CK, 2016, Polymer synthesis: To react the impossible ring., Nat Chem, Vol: 8, Pages: 3-4

JOURNAL ARTICLE

Pike SD, White ER, Shaffer MSP, Williams CKet al., 2016, Simple phosphinate ligands access zinc clusters identified in the synthesis of zinc oxide nanoparticles, NATURE COMMUNICATIONS, Vol: 7, ISSN: 2041-1723

JOURNAL ARTICLE

Romain C, Thevenon A, Saini PK, Williams CKet al., 2016, Dinuclear Metal Complex-Mediated Formation of CO2-Based Polycarbonates, CARBON DIOXIDE AND ORGANOMETALLICS, Editors: Lu, Publisher: SPRINGER-VERLAG BERLIN, Pages: 101-141, ISBN: 978-3-319-22077-2

BOOK CHAPTER

Romain C, Zhu Y, Dingwall P, Paul S, Rzepa HS, Buchard A, Williams CKet al., 2016, Chemoselective Polymerizations from Mixtures of Epoxide, Lactone, Anhydride, and Carbon Dioxide, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Vol: 138, Pages: 4120-4131, ISSN: 0002-7863

JOURNAL ARTICLE

Sehmi SK, Noimark S, Pike SD, Bear JC, Peveler WJ, Williams CK, Shaffer MSP, Allan E, Parkin IP, MacRobert AJet al., 2016, Enhancing the Antibacterial Activity of Light-Activated Surfaces Containing Crystal Violet and ZnO Nanoparticles: Investigation of Nanoparticle Size, Capping Ligand, and Dopants, ACS OMEGA, Vol: 1, Pages: 334-343, ISSN: 2470-1343

JOURNAL ARTICLE

Thevenon A, Romain C, Bennington MS, White AJP, Davidson HJ, Brooker S, Williams CKet al., 2016, Dizinc Lactide Polymerization Catalysts: Hyperactivity by Control of Ligand Conformation and Metallic Cooperativity, ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, Vol: 55, Pages: 8680-8685, ISSN: 1433-7851

JOURNAL ARTICLE

Thevenon A, Romain C, Bennington MS, White AJP, Davidson HJ, Brooker S, Williams CKet al., 2016, Inside Cover: Dizinc Lactide Polymerization Catalysts: Hyperactivity by Control of Ligand Conformation and Metallic Cooperativity (Angew. Chem. Int. Ed. 30/2016), Angewandte Chemie - International Edition, Vol: 55, ISSN: 1433-7851

JOURNAL ARTICLE

Trott G, Saini PK, Williams CK, 2016, Catalysts for CO2/epoxide ring-opening copolymerization, PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES, Vol: 374, ISSN: 1364-503X

JOURNAL ARTICLE

Zhu Y, Romain C, Williams CK, 2016, Sustainable polymers from renewable resources, NATURE, Vol: 540, Pages: 354-362, ISSN: 0028-0836

JOURNAL ARTICLE

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