Charlotte Williams Research

Department of Chemistry University of Oxford

Colloidal Cu/ZnO catalysts for the hydrogenation of carbon dioxide to methanol: investigating catalyst preparation and ligand effects

S. D. Pike, A. Garcia-Trenco, E. R. White, A. H. M. Leung, J. Weiner, M. S. P. Shaffer and C. K. Williams, Catal. Sci. Technol.2017. DOI: 10.1039/C7CY01191A.


PdIn intermetallic nanoparticles for the Hydrogenation of CO2 to Methanol

A. Garcia-Trenco, A. Regoutz, E. R. White, D. J. Payne, M. S. P. Shaffer and C. K. Williams, Appl. Catal. B: Environment2017. DOI: 10.1016/j.apcatb.2017.07.069


Di-Zinc–Aryl Complexes: CO2 Insertions and Applications in Polymerisation Catalysis

C. Romain, J. A. Garden, G. Trott, A. Bouchard, A. J. P. White and C. K. Williams, Chem. Eur. J.2017, 23, 30, 7367.


Thermally Stable Zinc Disalphen Macrocycles Showing Solid-​State and Aggregation-​Induced Enhanced Emission

J. A. Marafie, D. D. C. Bradley and C. K. Williams, Inorg. Chem.2017, 56, 10, 5688.


Phosphasalen Indium Complexes Showing High Rates and Isoselectivities in rac-​Lactide Polymerizations

D. Myers, A. J. P. White, C. M. Forsyth, M. Bown and C. K. Williams, Angew. Chem. Int. Ed.2017, 56, 19, 5277.


Zinc versus Magnesium: Orthogonal Catalyst Reactivity in Selective Polymerizations of Epoxides, Bio-​derived Anhydrides and Carbon Dioxide

P. K. Saini, G. Fiorani, R. T. Mathers and C. K. Williams, Chem. Eur. J.2017, 23, 18, 4260.


Reversible Redox Cycling of Well-Defined, Ultrasmall Cu/Cu2O Nanoparticles

S. D. Pike, E. R. White, A. Regoutz, N. Sammy, D. J. Payne, C. K. Williams and M. S. P. Shaffer, ACS Nano2017, 11, 3, 2714.


Heterodinuclear titanium/zinc catalysis: synthesis, characterization and activity for CO2/epoxide copolymerization and cyclic ester polymerization

J. A. Garden, A. J. P. White and C. K. Williams, Dalton Trans, 2017, 46, 8, 2532.


Pd2Ga-Based Colloids as Highly Active Catalysts for the Hydrogenation of CO2 to Methanol

A. Garcia-Trenco, E. R. White, A. Regoutz, D. J. Payne, M. S. P. Shaffer and C. K. Williams, ACS Catal.2017, 7, 1186.


Sustainable Polymers from Renewable Resources

Y. Zhu, C. Romain and C. K. Williams, Nature, 2016, 540, 354.


Simple Phosphinate Ligands Access Zinc Clusters Identified in the Synthesis of Zinc Oxide Nanoparticles

S. D. Pike, E. R. White, M. S. P. Shaffer and C. K. Williams, Nature Commun., 2016.


Dizinc Lactide Polymerization Catalysis: Hyperactivity by Control of Ligand Conformation and Metallic Cooperativity

A. Thevenon, C. Romain, M. S. Bennington, A. J. P. White, H. J. Davidson, S. Brooker and C. K. Williams, Angew. Chem. Int. Ed., 2016, 55, 8680


Chemoselective Polymerizations from Mixtures of Epoxide, Lactone, Anhydride and Carbon Dioxide

C. Romain, Y. Zhu, P. Dingwall, S. Pail, H. S. Rzepa, A. Buchard and C. K. Williams, J. Am. Chem. Soc., 2016, 138, 4120


A One-Step Cu/ZnO Quasi-Homogeneous Catalyst for DME Production from Syn-Gas

A. Garcia-Trenco, E. R. White, M. S. P. Shaffer and C. K. Williams, Cat. Sci. Tech., 2016, 6, 4389


To React the Impossible Ring

D. Myers, A. Cyriac and C. K. Williams, Nature Chemistry, 2016, 8, 3-4.


Catalysts for CO2/Epoxide Ring-Opening Copolymerization

G. Trott, P.K. Saini, and C.K. Williams, Philos. Trans. R. Soc. A-Math. Phys. Eng. Sci., 2016, 374.


Techno-Economic Assessment of the Production of Phthalic Anhydride from Corn Stover

S. Giarola, C. Romain, C.K. Williams, J.P. Hallett, and N. Shah, Chem. Eng. Res. Des., 2016, 107, 181-94.


Selective Polymerization Catalysis: Controlling the Metal Chain End Group to Prepare Block Copolyesters

Y. Zhu, C. Romain and C. K. Williams, J. Am. Chem. Soc., 2015, 137, 12179.


Greater Than the Sum of Its Parts: A Heterodinucelar Polymerization Catalyst

J. A. Garden, P. K. Saini and C. K. Williams, J. Am. Chem. Soc.2015, 137, 15078.


Dinuclear Zinc Salen Catalysts for the Ring Opening Copolymerization of Epoxides and Carbon Dioxide or Anhydrides

A. Thevenon, J. A. Garden, A. J. P. White and C. K. Williams, Inorg. Chem., 2015, 54, 11906.


Influences of a Dizinc Catalyst and Bifunctional Chain Transfer Agents on the Polymer Architecture in the Ring-Opening Polymerization of Epsilon-Caprolactone

Y. Zhu, C. Romain, V. Poirier and C. K. Williams, Macromolecules, 2015, 48, 2407


Ring-Opening Copolymerization (Rocop): Synthesis and Properties of Polyesters and Polycarbonates

S. Paul, Y. Zhu, C. Romain, R. Brooks, P.K. Saini and C.K. Williams, Chem. Commun., 2015, 51, 6459.


Carbon Dioxide Capture and Utilization: Using Dinuclear Catalysts to Prepare Polycarbonates

N. Yi, J. Unruangsri, J. Shaw and C.K. Williams, Faraday Discuss., 2015, 183, 67.


Combining Sustainable Polymerization Routes for the Preparation of Polyesters, Polycarbonates, and Copolymers, in Green Polymer Chemistry: Biobased Materials and Biocatalysis

C. Romain and C.K. Williams; H.N. Cheng, R.A. Gross, and P.B. Smith, Editors. 2015, p. 135-46.


Renewable Polycarbonates and Polyesters from 1,4-Cyclohexadiene

M. Winkler, C. Romain, M.A.R. Meier and C.K. Williams, Green Chem., 2015, 17, 300.


Macrocyclic Dizinc(II) Alkyl and Alkoxide Complexes: Reversible CO2 Uptake and Polymerization Catalysis Testing

C. Romain, M.S. Bennington, A.J.P. White, C.K. Williams and S. Brooker, Inorg. Chem., 2015, 54, 11842.


Sequence Selective Polymerization Catalysis: A New Route to ABA Block Copoly(Ester-b-Carbonate-b-Ester)

S. Paul, C. Romain, J. Shaw and C.K. Williams, Macromolecules, 2015, 48, 6047.


Scandium and Yttrium Phosphasalen Complexes as Initiators for Ring-Opening Polymerization of Cyclic Esters

C. Bakewell, A.J.P. White, N.J. Long and C.K. Williams, Inorg. Chem., 2015, 54, 2204.


Dual-Mechanism Antimicrobial Polymer-ZnO Nanoparticle and Crystal Violet-Encapsulated Silicone

S. Noimark, J. Weiner, N. Noor, E. Allan, C.K. Williams, M.S.P. Shaffer and I.P. Parkin, Adv. Funct. Mater., 2015, 25, 1367.


Adding Value to Power Station Captured CO2: Tolerant Zn and Mg Homogeneous Catalysts for Polycarbonate Polyol Production

A.M. Chapman, C. Keyworth, M.R. Kember, A.J.J. Lennox and C.K. Williams, ACS Catal., 2015, 5, 1581.


From Organometallic Zinc and Copper Complexes to Highly Active Colloidal Catalysts for the Conversion of CO2 to Methanol

N.J. Brown, A. Garcia-Trenco, J. Weiner, E.R. White, M. Allinson, Y. Chen, P.P. Wells, E.K. Gibson, K. Hellgardt, M.S.P. Shaffer and C.K. Williams, ACS Catal., 2015, 5, 2895.


Comparing a Series of 8-Quinolinolato Complexes of Aluminium, Titanium and Zinc as Initiators for the Ring-Opening Polymerization of Rac-Lactide

C. Bakewell, G. Fateh-Iravani, D.W. Beh, D. Myers, S. Tabthong, P. Hormnirun, A.J.P. White, N. Long and C.K. Williams, Dalton Trans., 2015, 44, 12326.