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Dr John Fielden

Reader in Synthetic Chemistry

  1. 2024
  2. Published

    Bridge improvement work: maximising non-linear optical performance in polyoxometalate derivatives

    Jones, C. F., Hood, B. R., de Coene, Y., Lopez-Poves, I., Champagne, B., Clays, K. & Fielden, J., 14/02/2024, In: Chemical Communications. 60, 13, p. 1731-1734 4 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  3. 2023
  4. Published

    Electrochemically-switched 2nd order non-linear optical response in an arylimido-polyoxometalate with high contrast and cyclability

    Hood, B. R., de Coene, Y., Vieira Torre Do Vale Froes, A., Jones, C., Beaujean, P., Liegois, V., MacMillan, F., Champagne, B., Clays, K. & Fielden, J., 26/01/2023, In: Angewandte Chemie International Edition. 62, 5, 5 p., e202215537.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  5. 2022
  6. Published

    Pyridyl anchored indolium dyes for the p-type dye sensitized solar cell

    Marri, A. R., Flint, H., Gibson, E. A. & Fielden, J., 30/06/2022, In: Dyes and Pigments. 202, 8 p., 110244.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  7. 2021
  8. Published

    Optical, third order non-linear optical and electrochemical properties of dipolar, centrosymmetric and C2v organoimido polyoxometalate derivatives

    Al-Yasari, A., El Moll, H., Purdy, R., Vincent, K. B., Spence, P., Malval, J-P. & Fielden, J., 28/05/2021, In: Physical Chemistry Chemical Physics. 23, 20, p. 11807-11817 11 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  9. 2020
  10. Published

    Covalently linked polyoxometalate-polypyrrole hybrids: Electropolymer materials with dual-mode enhanced capacitive energy storage

    Alshehri, S. A., Al-Yasari, A., Marken, F. & Fielden, J., 22/12/2020, In: Macromolecules. 53, 24, p. 11120–11129 10 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  11. Published

    Beyond solvent exclusion: i-Motif detecting capability and an alternative DNA light-switching mechanism in a ruthenium(II) polypyridyl complex

    Spence, P., Fielden, J. & Waller, Z. A. E., 12/08/2020, In: Journal of the American Chemical Society. 142, 32, p. 13856-13866 11 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  12. 2019
  13. Published

    Cobalt-based molecular electrocatalysis of nitrile reduction: evolving sustainability beyond hydrogen

    Child, S., Raychev, R., Moss, N., Howchen, B., Horton, P. N., Prior, C., Oganesyan, V. & Fielden, J., 14/07/2019, In: Dalton Transactions. 48, 26, p. 9576-9580 5 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  14. Published

    Pyridinium p-DSSC Dyes: An old acceptor learns new tricks

    Marri, A., Black, F., Mallows, J., Gibson, E. & Fielden, J., 1/06/2019, In: Dyes and Pigments. 165, p. 508-517 10 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  15. 2018
  16. Published

    Fine-tuning polyoxometalate non-linear optical chromophores: a molecular electronic “Goldilocks” effect

    Al-Yasari, A., Spence, P., El Moll, H., van Steerteghem, N., Horton, P. N., Brunschwig, B. S., Clays, K. & Fielden, J., 21/08/2018, In: Dalton Transactions. 47, 31, p. 10415-10419 5 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  17. 2017
  18. Published

    Organoimido-polyoxometalate nonlinear optical chromophores: A structural, spectroscopic, and computational study

    Al-Yasari, A., van Steerteghem, N., Kearns, H., El Moll, H., Faulds, K., Wright, J. A., Brunschwig, B. S., Clays, K. & Fielden, J., 5/09/2017, In: Inorganic Chemistry. 56, 17, p. 10181–10194

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  19. Published

    Increasing p-type dye sensitised solar cell photovoltages using polyoxometalates

    El Moll, H., Black, F. A., Wood, C. J., Al-Yasari, A., Marri, A. R., Sazanovich, I. V., Gibson, E. A. & Fielden, J., 1/07/2017, In: Physical Chemistry Chemical Physics. 19, p. 18831-18835 5 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  20. 2016
  21. Published

    Transition Metal Substitution Effects on Metal-to-Polyoxometalate Charge Transfer

    Glass, E., Fielden, J., Huang, Z., Xiang, X., Musaev, D., Lian, T. & Hill, C., 2/05/2016, In: Inorganic Chemistry. 55, 9, p. 4308-4319 12 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  22. Published

    Donor–acceptor organo-imido polyoxometalates: high transparency, high activity redox-active NLO chromophores

    Al-Yasari, A., Van Steerteghem, N., El Moll, H., Clays, K. & Fielden, J., 21/02/2016, In: Dalton Transactions. 45, 7, p. 2818-2822 5 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  23. 2015
  24. Published

    Water splitting with polyoxometalate-treated photoanodes: Enhancing performance through sensitizer design

    Fielden, J., Sumliner, J. M., Han, N., Geletii, Y., Xiang, X., Musaev, D. G., Lian, T. & Hill, C. L., 1/06/2015, In: Chemical Science. 6, p. 5531-5543 13 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  25. 2014
  26. Published

    Polyoxometalates in visible-light photocatalysis and solar energy conversion

    Al-Yasari, A. & Fielden, J., 1/12/2014, In: Reviews in Advanced Sciences and Engineering. 3, 4, p. 304-319 16 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  27. Published

    Assembly of ruthenium-based complex into metal-organic framework with tunable area-selected luminescence and enhanced photon-to-electron conversion efficiency

    Tang, Y., He, W., Lu, Y., Fielden, J., Xiang, X. & Yan, D., 6/11/2014, In: The Journal of Physical Chemistry C. 118, 44, p. 25365-25373 9 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  28. Published

    Extending Metal-to-Polyoxometalate Charge Transfer Lifetimes: The Effect of Heterometal Location

    Glass, E. N., Fielden, J., Kaledin, A. L., Musaev, D. G., Lian, T. & Hill, C. L., 7/04/2014, In: Chemistry - A European Journal. 20, 15, p. 4297-4307 11 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  29. Published

    Polyoxometalate multi-electron-transfer catalytic systems for water splitting

    Sumliner, J. M., Lv, H., Fielden, J., Geletii, Y. V. & Hill, C. L., 17/01/2014, In: European Journal of Inorganic Chemistry. 2014, p. 635-644 10 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  30. 2013
  31. Published

    Electron transfer dynamics in semiconductor–chromophore–polyoxometalate catalyst photoanodes

    Xiang, X., Fielden, J., Rodríguez-Córdoba, W., Huang, Z., Zhang, N., Luo, Z., Musaev, D. G., Lian, T. & Hill, C. L., 2013, In: The Journal of Physical Chemistry C. 117, 2, p. 918-926 9 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  32. 2012
  33. Published

    [CoxCu1−x(DDOP)(OH2)(NO3)](NO3): hydrogen bond-driven distortion of cobalt(ii) by solid solution ‘network mismatch’

    Fielden, J., Long, D-L., Speldrich, M., Kögerler, P. & Cronin, L., 2012, In: Dalton Transactions. 41, 16, p. 4927-4934 8 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  34. Published

    A fluorophosphate-based inverse Keggin structure

    Fielden, J., Quasdorf, K., Cronin, L. & Kögerler, P., 2012, In: Dalton Transactions. 41, 33, p. 9876-9878 3 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  35. Published

    Anomalous dynamical line shapes in a quantum magnet at finite temperature

    Tennant, D. A., Lake, B., James, A. J. A., Essler, F. H. L., Notbohm, S., Mikeska, H-J., Fielden, J., Kögerler, P., Canfield, P. C. & Telling, M. T. F., 2012, In: Physical review B. 85, 1, p. 014402-014413 12 p.

    Research output: Contribution to Journal/MagazineJournal article

  36. Published

    Chiral Hexanuclear Ferric Wheels

    Fielden, J., Speldrich, M., Besson, C. & Kögerler, P., 2012, In: Inorganic Chemistry. 51, 5, p. 2734-2736 3 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  37. 2011
  38. Published

    Ferrocenyl Diquat Derivatives: Nonlinear Optical Activity, Multiple Redox States, and Unusual Reactivity

    Coe, B. J., Fielden, J., Foxon, S. P., Asselberghs, I., Clays, K., Van Cleuvenbergen, S. & Brunschwig, B. S., 2011, In: Organometallics. 30, 21, p. 5731-5743 13 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  39. 2010
  40. Published

    [Cr8(PhCO2)16O4]·4CH3CN·2H2O: structural origin of magnetic anisotropy in a molecular spin cluster

    Fielden, J., Ellern, A. & Kögerler, P., 2010, In: Acta Crystallographica Section C: Crystal Structure Communications. 66, 9, p. m253-m256

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  41. Published

    Combining Very Large Quadratic and Cubic Nonlinear Optical Responses in Extended, Tris-Chelate Metallochromophores with Six π-Conjugated Pyridinium Substituents

    Coe, B. J., Fielden, J., Foxon, S. P., Brunschwig, B. S., Asselberghs, I., Clays, K., Samoc, A. & Samoc, M., 2010, In: Journal of the American Chemical Society. 132, 10, p. 3496-3513 18 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  42. Published

    Designing organic molecules for terahertz radiation generation in robust crystals

    Clays, K., Docherty, R. J., Fielden, J., Helliwell, M., Raftery, J., Shaw, R., Swanson, C. A. & Coe, B. J., 2010, p. 78170E.

    Research output: Contribution to conference - Without ISBN/ISSN Conference paperpeer-review

  43. Published

    Diquat Derivatives: Highly Active, Two-Dimensional Nonlinear Optical Chromophores with Potential Redox Switchability

    Coe, B. J., Fielden, J., Foxon, S. P., Harris, J. A., Helliwell, M., Brunschwig, B. S., Asselberghs, I., Clays, K., Garín, J. & Orduna, J., 2010, In: Journal of the American Chemical Society. 132, 30, p. 10498-10512 15 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  44. Published

    Level crossings and zero-field splitting in the Cr8-cubane spin cluster studied using inelastic neutron scattering and magnetization

    Vaknin, D., Garlea, V. O., Demmel, F., Mamontov, E., Nojiri, H., Martin, C., Chiorescu, I., Qiu, Y., Kögerler, P., Fielden, J., Engelhardt, L., Rainey, C. & Luban, M., 2010, In: Journal of Physics: Condensed Matter. 22, 46

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  45. Published

    Nickel(II) and Palladium(II) Complexes of Azobenzene-Containing Ligands as Dichroic Dyes

    Blackburn, O. A., Coe, B. J., Fielden, J., Helliwell, M., McDouall, J. J. W. & Hutchings, M. G., 2010, In: Inorganic Chemistry. 49, 20, p. 9136-9150 15 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  46. Published

    Quadratic and cubic nonlinear optical properties of salts of diquat-based chromophores with diphenylamino substituents

    Coe, B. J., Fielden, J., Foxon, S. P., Helliwell, M., Brunschwig, B. S., Asselberghs, I., Clays, K., Olesiak, J., Matczyszyn, K. & Samoc, M., 2010, In: Journal of Physical Chemistry A. 114, 45, p. 12028-12041 14 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  47. Published

    Syntheses and Properties of Two-Dimensional, Dicationic Nonlinear Optical Chromophores Based on Pyrazinyl Cores

    Coe, B. J., Fielden, J., Foxon, S. P., Helliwell, M., Asselberghs, I., Clays, K., De Mey, K. & Brunschwig, B. S., 2010, In: Journal of Organic Chemistry. 75, 24, p. 8550-8563 14 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  48. Published

    Two-Dimensional, Pyrazine-Based Nonlinear Optical Chromophores with Ruthenium(II) Ammine Electron Donors

    Coe, B. J., Fielden, J., Foxon, S. P., Asselberghs, I., Clays, K. & Brunschwig, B. S., 2010, In: Inorganic Chemistry. 49, 22, p. 10718-10726 9 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  49. 2009
  50. Published

    Synthesis of Cu(I) octamolybdates using tetrakis-acetonitrilecopper(I) hexafluorophosphate

    Fielden, J., Long, D-L., Cronin, L. & Kögerler, P., 2/09/2009, In: Polyhedron. 28, 13, p. 2803-2807 5 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  51. Published

    A homochiral 2D copper(II) coordination framework

    Fielden, J., Quasdorf, K., Ellern, A. & Kögerler, P., 1/02/2009, In: European Journal of Inorganic Chemistry. 2009, 6, p. 717-720 4 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  52. Published

    Mn3(OAc)6·CH3CN: a porous dehydrated manganese(II) acetate

    Fielden, J. & Kögerler, P., 2009, In: Acta Crystallographica Section C: Crystal Structure Communications. C65, p. m224-m227

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  53. 2007
  54. Published

    Coordination Clusters

    Fielden, J. & Cronin, L., 2007, Encyclopedia of Supramolecular Chemistry. Atwood, JL. & Steed, JW. (eds.). Sweden: Taylor and Francis

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNChapter

  55. Published

    Ligand and Counterion Control of Ag(I) Architectures: Assembly of a Ag8 Ring Cluster Mediated by Hydrophobic and Ag···Ag Interactions

    Fielden, J., Long, D-L., Slawin, A. M. Z., Kögerler, P. & Cronin, L., 2007, In: Inorganic Chemistry. 46, 22, p. 9090-9097 8 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  56. Published

    Temperature effects on multi-particle scattering in a gapped quantum magnet

    Notbohm, S., Tennant, DA., Lake, B., Canfield, PC., Fielden, J., Kögerler, P., Mikeska, H-J., Luckmann, C. & Telling, MTF., 2007, In: Journal of Magnetism and Magnetic Materials. 310, 2, p. 1236-1238 3 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  57. 2006
  58. Published

    Anion control of isomerism, crystal packing and binding properties in a mononuclear zinc complex

    Fielden, J., Gunning, P. T., Long, D-L., Nutley, M., Ellern, A., Kögerler, P. & Cronin, L., 2006, In: Polyhedron. 25, 18, p. 3474-3480 7 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  59. Published

    Controlling Aggregation of Copper(II)-Based Coordination Compounds: From Mononuclear to Dinuclear, Tetranuclear, and Polymeric Copper Complexes

    Fielden, J., Sprott, J., Long, D-L., Kögerler, P. & Cronin, L., 2006, In: Inorganic Chemistry. 45, 7, p. 2886-2895 10 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  60. Published

    Discovery of a Family of Isopolyoxotungstates [H4W19O62]6− Encapsulating a WO6 Moiety within a W18 Dawson-like Cluster Cage

    Long, D-L., Kögerler, P., Parenty, A. D. C., Fielden, J. & Cronin, L., 2006, In: Angewandte Chemie International Edition. 45, 29, p. 4798-4803 6 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  61. Published

    Inducing Molecular Growth in an Mo57Fe6-type Nanocluster: Synthesis, Structure, and Properties of Mo57(Mo)2FeIII6*

    Fielden, J., Malaestean, Y. L., Ellern, A., García-Serres, R., Cronin, L. & Kögerler, P., 2006, In: Journal of Cluster Science. 17, 2, p. 291-302 12 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  62. Published

    Metal-Dependent Formation of Mononuclear Complexes and M2L2 Mesocates with Schiff-Base Ligands

    Fielden, J., Long, DL., Evans, C. & Cronin, L., 2006, In: European Journal of Inorganic Chemistry. 2006, 19, p. 3930-3935 6 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  63. 2005
  64. Published

    Design and sterospecific synthesis of modular ligands based upon cis-1,3-trans-5-substituted cyclohexanes

    Fielden, J., Sprott, J. & Cronin, L., 2005, In: New Journal of Chemistry. 29, 9, p. 1152-1158 7 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  65. 2004
  66. Published

    Secondary coordination sphere controlled reversible geometry reorganisations in copper(ii) complexes

    Fielden, J., Long, D-L. & Cronin, L., 2004, In: Chemical Communications. 19, p. 2156-2157 2 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  67. 2001
  68. Published

    Molecule-Based Magnetic Nanoparticles: Synthesis of Cobalt Hexacyanoferrate, Cobalt Pentacyanonitrosylferrate, and Chromium Hexacyanochromate Coordination Polymers in Water-in-Oil Microemulsions

    Vaucher, S., Fielden, J., Li, M., Dujardin, E. & Mann, S., 28/12/2001, In: Nano Letters. 2, 3, p. 225-229 5 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

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