Communicating author in bold:

  1. CJ le Roux, RJ Kriek, “A detailed spectrophotometric investigation of the stability constants of  [PdCln(OH)4-n]2- and [PdBrn(OH)4-n]2- (n = 0 – 4)”, Hydrometallurgy (Under Review)
  2. MZ Iqbal, RJ Kriek, “Silver/nickel oxide (Ag/NiO) nanocomposites produced via a citrate sol-gel route as electrocatalyst for the oxygen evolution reaction (OER) in alkaline medium”, Electrocatalysis, 2018, 9, 279 – 286
  3. AC Fortuin, C Jackson, E Carleschi, BP Doyle, A Shnier, RJ Kriek, SC Ray, DG Billing, D Wamwangi, GG Scherer, PBJ Levecque, “Towards practical applications of EQCN experiments to study Pt anchor sites on carbon surfaces”, Electrocatalysis, 2018, 9, 271 – 278
  4. NS Allen, N Mahdjoub, V Vishnyakov, PJ Kelly, RJ Kriek, “The effect of crystalline phase (anatase, brookite and rutile) and size on the photocatalytic activity of calcined polymorphic titanium dioxide (TiO2)”, Journal of Polymer Degradation and Stability, 2018, 150, 31 – 36
  5. MI Gillespie, RJ Kriek, “Hydrogen production from a rectangular horizontal filter press Divergent Electrode-Flow-Through (DEFTTM) alkaline electrolysis stack”, Journal of Power Sources, 2017, 372, 252 – 259
  6. CJ le Roux, RJ Kriek, “A detailed spectrophotometric investigation of the complexation of palladium(II) with chloride and bromide”, Hydrometallurgy, 2017, 169, 447 - 455
  7. A Falch, VA Badets, C Labrugère, RJ Kriek, “Co-sputtered PtxPdyAlz thin film electrocatalysts for the production of hydrogen via SO2(aq) electro-oxidation”, Electrocatalysis, 2016 7 (5), 376 - 390
  8. M Potgieter, J Parrondo, VK Ramani, RJ Kriek, “Evaluation of polycrystalline platinum and rhodium surfaces for the electro-oxidation of aqueous sulphur dioxide”, Electrocatalysis, 2016, 7 (1), 50 - 59
  9. A Falch, VA Lates, HS Kotzé, RJ Kriek, “The effect of rapid thermal annealing on sputtered Pt and Pt3Pd2 thin film electrocatalysts for SO2(aq) electro-oxidation”, Electrocatalysis, 2016, 7 (1), 33 - 41
  10.  MI Gillespie, F van der Merwe, RJ Kriek, “Performance evaluation of a membraneless divergent electrode-flow-through (DEFT) alkaline electrolyser based on optimisation of electrolytic flow and electrode gap”, Journal of Power Sources, 2015, 293, 228 – 235
  11. A Falch, V Lates, RJ Kriek, “Combinatorial plasma sputtering of PtxPdy thin film electrocatalysts for aqueous SO2 electro-oxidation”, Electrocatalysis, 2015, 6 (3), 322 - 330
  12. V Lates, A Falch, RJ Kriek, “Combinatorial synthesis of gold-based thin films for improved electrocatalytic conversion of CO2 to CO”, Electrocatalysis, 2015, 6 (3), 308 – 314
  13. F Mahlamvana and RJ Kriek, “Photocatalytic reduction of [RhCln(H2O)6-n]3-n (n = 0 – 6) in a titanium dioxide suspension: The role of structurally different sacrificial reducing agents”, Applied Catalysis B: Environmental, 2015, 162, 445 - 453
  14. CJ le Roux, P Gans, RJ Kriek, “Complexation of palladium(II) with thiocyanate – a spectrophotometric investigation”, Journal of Coordination Chemistry, 2014, 67 (9), 1520 - 1529
  15. RJ Kriek, J Rossmeisl, S Siahrostami and ME Björketun, “H2 production through electro-oxidation of SO2: identifying the fundamental limitations”, Physical Chemistry Chemical Physics, 2014, 16 (20), 9572 – 9579
  16. V Lates, A Falch, A Jordaan, R Peach and RJ Kriek, “An electrochemical study of carbon dioxide electroreduction at gold-based nanoparticle catalysts”, Electrochimica Acta, 2014, 128, 75 - 84
  17. F Mahlamvana and RJ Kriek, “Photocatalytic reduction of platinum(II and IV) from their chloro complexes in a titanium dioxide suspension in the absence of an organic sacrificial reducing agent”, Applied Catalysis B: Environmental, 148 - 149, 2014, 387 – 393
  18. DC Onwudiwe, T Arfin, CA Strydom and RJ Kriek, “Synthesis, spectroscopic characterization and behaviour of AC impedance spectroscopy of Cd(II)bis(N-paramethyl dithiocarbamate)”, Electrochimica Acta, Volume 109, 2013, 809 - 817
  19. RJ Kriek, J van Ravenswaay, M Björketun, S Siahrostami, M Potgieter, A Calitz, V Lates, J Rossmeisl, “SO2 - an indirect source of energy”, Journal of the Southern African Institute of Mining and Metallurgy, 113, 2013, 593 - 604
  20. A Falch and RJ Kriek, “Laser induced H2 production employing Pt-TiO2 photocatalysts”, Journal of Photochemistry and Photobiology A: Chemistry, 271, 2013, 117 - 123
  21. F Mahlamvana and RJ Kriek, “The impeding effect of dissolved oxygen on the photocatalytic reduction of [PdCln(H2O)4-n]2-n (n = 0 - 4) complexes employing different TiO2 catalysts in the absence of an added sacrificial reducing agent”, Applied Catalysis B: Environmental, 142-143, 2013, 809 - 816
  22. DC Onwudiwe, T Arfin, CA Strydom and RJ Kriek, “Synthesis, spectroscopic characterization and behaviour of AC impedance spectroscopy of Cd(II)bis(N-paramethyl dithiocarbamate)”, Electrochimica Acta, Volume 104, 2013, 19 – 25
  23. A Falch, VA Lates, and RJ Kriek, “The electrochemical oxidation of aqueous SO2 on sputtered Pt/glassy carbon electrodes”, Precious Metals 2013 Conference, The Precious Metals Development Network, Cape Town, South Africa, 14-16 October 2013, ISBN 9781920410513
  24. Tanvir Arfin, Rani Bushra and Roelof J. Kriek, “Ionic Conductivity of Alkali Halides across a Polyaniline-Zirconium(IV)-Arsenate Membrane”, Analytical and Bioanalytical Electro-chemistry, Vol. 5, No. 2, 2013, 206 - 221
  25. T Arfin, A Falch and RJ Kriek, “Synthesis and characterisation of nano-composite nylon-6,6 nickel phosphate membranes: Evaluation of charge density and the theory for calculating membrane potential”, Physical Chemistry Chemical Physics, 2012, 14 (48), 16760 - 16769
  26.  RJ Kriek and F Mahlamvana, “Dependency on chloride concentration and ‘in-sphere’ oxidation of H2O for the effective TiO2-photocatalysed electron transfer from H2O to [PdCln(H2O)4-n]2-n (n = 0 – 4) in the absence of an added sacrificial reducing agent”, Applied Catalysis A: General, 423 - 424, 2012, 28 – 33
  27. T Arfin, F Jabeen, and RJ Kriek, “An electrochemical and theoretical comparison of ionic transport through a polystyrene based titanium-vanadium (1:2) phosphate membrane”, Desalination, 274, 2011, 206 – 211
  28. JP van Ravenswaay, F v Niekerk, RJ Kriek, E Blom, HM Krieg, F van der Merwe & HCM Vosloo, “South Africa’s nuclear hydrogen production development programme”, Nuclear Energy, Nuclear Science, Nuclear Production of Hydrogen, OECD-NEA Fourth Information Exchange Meeting, Oakbrook, Illinois, USA, 14-16 April 2009, ISBN 9789264087156
  29. JJ Cruywagen and RJ Kriek, “Complexation of palladium(II) with chloride and hydroxide”, Journal of Coordination Chemistry, 60, Issue 4, 2007, 439 – 447
  30. VA Patterson, HM Krieg, RJ Kriek, and H Bisset, “Direct synthesis of a titania membrane on a centrifugally casted tubular ceramic support”, Journal of Membrane Science, 285, 2006, 1 - 3
  31. RJ Kriek, WJ Engelbrecht, and JJ Cruywagen, “Separation and Recovery of Some Platinum Group Metals (PGM’s) by means of Selective Photocatalytic Reduction”, Journal of the South African Institute of Mining and Metallurgy, 95, No. 2, March/April 1995