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

146 results found

Zhu Y, Williams CK, Chemoselective Polymerization: From Multi-Component Feedstocks to Sequence Controlled Block Copolyesters, 250th National Meeting of the American-Chemical-Society (ACS), ISSN: 0065-7727

CONFERENCE PAPER

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

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, 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

Zhu Y, Romain C, Williams CK, 2016, Sustainable polymers from renewable resources., Nature, Vol: 540, Pages: 354-362

Renewable resources are used increasingly in the production of polymers. In particular, monomers such as carbon dioxide, terpenes, vegetable oils and carbohydrates can be used as feedstocks for the manufacture of a variety of sustainable materials and products, including elastomers, plastics, hydrogels, flexible electronics, resins, engineering polymers and composites. Efficient catalysis is required to produce monomers, to facilitate selective polymerizations and to enable recycling or upcycling of waste materials. There are opportunities to use such sustainable polymers in both high-value areas and in basic applications such as packaging. Life-cycle assessment can be used to quantify the environmental benefits of sustainable polymers.

JOURNAL ARTICLE

Bakewell C, Fateh-Iravani G, Beh D, Myers D, Tabthong S, Hormnirun P, White AJ, Long N, Williams CKet al., 2015, Comparing a series of 8-quinolinolato complexes of aluminium, titanium and zinc as initiators for the ring-opening polymerization of rac-lactide., Dalton Transactions, Vol: 44, ISSN: 1477-9226

The preparation and characterization of a series of 8-hydroxyquinoline ligands and their complexes with Ti(iv), Al(iii) and Zn(ii) centres is presented. The complexes are characterized using NMR spectroscopy, elemental analysis and, in some cases, by single crystal X-ray diffraction experiments. The complexes are compared as initiators for the ring-opening polymerization of racemic-lactide; all the complexes show moderate/good rates and high levels of polymerization control. In the case of the titanium or aluminium complexes, moderate iso-selectivity is observed (Pi = 0.75), whereas in the case of the zinc complexes, moderate hetero-selectivity is observed (Ps = 0.70).

JOURNAL ARTICLE

Bakewell C, White AJP, Long NJ, Williams CKet al., 2015, Scandium and Yttrium Phosphasalen Complexes as Initiators for Ring-Opening Polymerization of Cyclic Esters, Inorganic Chemistry, Vol: 54, Pages: 2204-2212, ISSN: 1520-510X

JOURNAL ARTICLE

Brown NJ, Garcia-Trenco A, Weiner J, White ER, Allinson M, Chen Y, Wells PP, Gibson EK, Hellgardt K, Shaffer MSP, Williams CKet al., 2015, From Organometallic Zinc and Copper Complexes to Highly Active Colloidal Catalysts for the Conversion of CO2 to Methanol, ACS CATALYSIS, Vol: 5, Pages: 2895-2902, ISSN: 2155-5435

JOURNAL ARTICLE

Buchard A, North M, Kozak C, Remiezowicz E, Abrantes P, Bardow A, Dodson J, Williams C, Albo J, Ingram I, Carrera GVSM, Styring P, Poliakoff M, Lamb K, Quadrelli EA, MacDowell N, Dowson G, Aresta M, Heyn R, Castro-Osma JA, Webb W, Silva R, Marciniak A, Jones C, Yavuz CT, Capacchione C, Coogan A, Priestnall Met al., 2015, Atom efficiency in small molecule and macromolecule synthesis: general discussion, FARADAY DISCUSSIONS, Vol: 183, Pages: 97-123, ISSN: 1359-6640

JOURNAL ARTICLE

Chapman AM, Keyworth C, Kember MR, Lennox AJJ, Williams CKet al., 2015, Adding Value to Power Station Captured CO2: Tolerant Zn and Mg Homogeneous Catalysts for Polycarbonate Polyol Production, ACS Catalysis, Vol: 5, Pages: 1581-1588, ISSN: 2155-5435

JOURNAL ARTICLE

Garden JA, Saini PK, Williams CK, 2015, Greater than the Sum of Its Parts: A Heterodinuclear Polymerization Catalyst, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Vol: 137, Pages: 15078-15081, ISSN: 0002-7863

JOURNAL ARTICLE

Giarola S, Romain C, Williams CK, Hallett JP, Shah Net al., 2015, Production of phthalic anhydride from biorenewables: process design, 12TH INTERNATIONAL SYMPOSIUM ON PROCESS SYSTEMS ENGINEERING AND 25TH EUROPEAN SYMPOSIUM ON COMPUTER AIDED PROCESS ENGINEERING, PT C, Vol: 37, Pages: 2561-2566, ISSN: 1570-7946

JOURNAL ARTICLE

Noimark S, Weiner J, Noor N, Allan E, Williams CK, Shaffer MSP, Parkin IPet al., 2015, Dual-Mechanism Antimicrobial Polymer-ZnO Nanoparticle and Crystal Violet-Encapsulated Silicone, ADVANCED FUNCTIONAL MATERIALS, Vol: 25, Pages: 1367-1373, ISSN: 1616-301X

JOURNAL ARTICLE

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