Paul O'Brien Group     

Publications    

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Publications (1993-1998)

  1. Physicochemical and physiological effects on the uptake of dissolved zinc and cadmium by the amphipod crustacean Orchestia gammarellus, P.S.Rainbow, I.Malik and P.O'Brien, Aquatic Toxicology, 1993, 25, 15-30
  2. Structural studies of some group 12 metal alkyl adducts:  The X-ray crystal structures of Me2Zn[Me2N(CH2)2NMe2], Me2Cd[Me2N(CH2)2NMe2], (Me3CCH2) 2Zn[Me2N(CH2)2NMe2] and (Me3CCH2)2Cd[Me2N(CH2)2NMe2], P. O'Brien, M.B. Hursthouse, M. Motevalli, J. R. Walsh and A. C. Jones, J. Organomet. Chem., 1993, 449, 1-8.
  3. The use of dimethylzinc-amine adducts for the p-doping of InP and related alloys, A.C. Jones , S.A. Rushworth, P.O'Brien, J.R.Walsh and C.Meaton, J. Cryst. Growth 1993, 130, 295-299.
  4. The synthesis and characterization of cadmium and zinc complexes with dithiocarbamate derivatives of diamines, M. A. Malik, T. Saeed and P. O'Brien, Polyhedron 1993, 12, 1533-1538.
  5. Vapour-pressure data for adducts of dimethylzinc: sources and dopants for zinc in metal-organic chemical vapour deposition, P.O'Brien, A.C. Jones, S.A. Rushworth, J.R.Walsh and C.Meaton, J. Mater. Chem., 1993, 3, 739-742.
  6. Studies of the stability of some amino acid carbamates in neutral aqueous solution, A.J. Davis, P.O'Brien and P.B.Nunn Bioorg. Chem., 1993, 21, 309-318.
  7. Chromium(V) species can be generated during the reaction of solid welding fume with solutions of glutathione, P. O'Brien and G. Wang, Polyhedron 1993, 12, 1409-1410.
  8. Chemical models important in understanding the ways in which chromate can damage DNA, P. O'Brien and A. Kortenkamp, Environ. Health Perspect. (invited) 1994, 3-10.
  9. The generation of DNA single strand breaks during the reduction of chromate by ascorbic acid and / or glutathione in vitro, P. O'Brien and A. Kortenkamp, Environ. Health Perspect. (invited) 1994, 237-241.
  10. Solid-state 113Cd NMR studies on cadmium complexes with glycine, L-alanine and L-cysteine. P.J. Barrie, A. Gyani, M. Motevalli and P.O'Brien, Inorg. Chem., 1993, 32, 3862-3867.
  11. The preparation, reactivity and crystal structure of a 1:1 adduct of dimethylzinc and (-)-sparteine, M. Motevalli, P. O'Brien A. J. Robinson, J.R. Walsh, P. B. Wyatt and A. C. Jones, J. Organomet. Chem., 1993, 461, 5-7.
  12. Methylzinc or methylcadmium-N, N, N-trimethylpropylenediaminedithiocarbamates: Precursors for zinc or cadmium sulfide. The X-ray crystal structure of methylcadmiumtrimethylpropylenediaminedithiocarbamate benzene solvate, M.A.Malik, M. Motevalli, T.Saeed and P.O'Brien, Adv. Mater., 1993, 5, 653-654.
  13. Vapour-phase transport of barium β-diketonates in the deposition of oxides and the isolation and structural characterization of a novel hexameric cluster of 2,2,6,6-tetramethylheptane-3, 5-dionato-barium(II), J. Auld, A.C.Jones, A.B. Leese, B. Cockayne, P.J.Wright, P.O'Brien and M. Motevalli, J. Mater. Chem. 1993, 3, 1203-1208.
  14. Generation of substance P carbamate in neutral aqueous solution: relevance to inflammatory joint disease, A. J. Davis, G. E. Hawkes, P. R. Haycock, P. O'Brien, B. L. Kidd, P. I. Mapp, D. Naughton and M. Grootveld, FEBS Letters, 1993, 329, 249-252.
  15. Some complexes of neopentylcadmium species with dithio- and di-selenocarbamates: the synthesis, characterization and single crystal X-ray structure of a mixed neopentyl / diethyldiselenocarbamate of cadmium: [(CH3)3CCH2CdSe2CNEt2]2, I. Abrahams, M.A.Malik, M. Motevalli and P.O'Brien, J. Organomet. Chem. 1994, 465, 73-77.
  16. Mixed alkyl zinc or cadmium complexes with dialkyl thio- or selenocarbamates: precursors for cadmium chalcogenides, M. A. Malik and P. O'Brien, Adv. Mater. Opt. Electron., 1994, 3, 171-175.
  17. p-doping of GaAs and AlGaAs using the triethylamine adduct of dimethylzinc, A.C.Jones, S.A.Rushworth, P.O'Brien, J.R.Walsh and C. Meaton, Adv. Mater. for Opt. Electron., 1994, 4, 343-347.
  18. Studies of the sorption of triethyl phosphate by ion exchanged smectite clays, C. J. Williamson and P. O'Brien, J. Mater. Chem., 1994, 3, 565-570.
  19. Preparation of zinc oxide and zinc sulfide powders by controlled precipitation from aqueous solutions, T. Trindade, J. D. Pedrosa de Jesus and P. O'Brien, J. Mater Chem., 1994, 4, 1611-1617.
  20. Growth of ZnO by MOCVD using alkylzinc alkoxides as single source precursors, J.Auld, D.Houlton, A.C.Jones, S.A.Rushworth, M.A.Malik, P.O'Brien and G.W.Critchlow, J. Mater. Chem., 1994, 4, 1249-1253.
  21. Synthesis and charcterization of some mixed alkyl/carbamates of zinc or cadmium: crystal structures of [Zn4Me2 (O2CNEt2)6] and [Zn4Me4 (O2CNEt2)4], I. Abrahams, M.A.Malik, M.Motevalli and P.O'Brien, J.Chem.Soc. Dalton Trans, 1995, 1043-1046.
  22. The single-molecule approach to the deposition of compound semiconducting materials by MOCVD and related methods, P. O'Brein and S. Haggata, Adv. Mater. Opt. Electron., 1995, 5, 117-134.
  23. Adducts of methylzinc tert-butylthiolate and nitrogenous bases: implications for the use of adducts in MOCVD, M. A. Malik, M. Motevalli, J.R. Walsh, P. O'Brien, and A. C. Jones, J. Mater Chem., 1995, 5, 731-736.
  24. Reactive chromium species potentially generated by welding fume, P.O'Brien, G.Wang, J.Earney, C.Jones and A. Kortenkamp, Toxicol. Environ. Chem., 1995, 49, 149-155.
  25. Synthesis and characterization of some mixed alkyl thiocarbamates of gallium and indium, precursors for III/VI materials: the X-ray single crystal structures of dimethyl- and diethylindium diethyldithiocarbamates, S.W.Haggata, M.Azad Malik, M.Motevalli, P.O'Brien and J.C.Knowles, Chem. Mater.,1995, 7, 716-724.
  26. Cadmium and zinc, P.O’Brien, in Comprehensive Organometallic Chemistry II, ed E.W. Abel, F.G.A.Stone and G.Wilkinson, Pregamon press, Oxford, U.K., Chapter 4, 1995, 175-206
  27. Deposition and characterization of ZnO thin films grown by chemical bath deposition,T. Saeed and P. O’Brien , Thin Solid Films1995, 271, 35-38.
  28. Structural diversity in the carbamato chemistry of zinc: X-Ray single crystal structures of [(Me2NCH2)2Zn(O2CN(C2H5)2)2] and [C5H5NZn2Me(O2CN(C2H5)2)3], M. Azad Malik, Majid Motevalli and Paul O'Brien, Inorganic Chemistry 1995, 34, 6223-6225
  29. Single-molecule precursor chemistry for the deposition of chalcogenide (S or Se)-containing compound semiconductors by MOCVD and related methods, P.O’Brien and R. Nomura , J. Mater. Chem., 1995, 5, 1761-1773.
  30. Slow release compositions, J.M.Newton, J.Qui and P.O’Brien, United States Patent 5,415,878. May 16 1995.
  31. The chemistry underlying chromate toxicity, P.O’Brien and A.Kortenkamp, Transition Met. Chem., 1995, 20, 636-642.
  32. Bis (μ-diethyldithiocarbamato)-1κS,1:2κ2S';2κS,1:2κ2S'-bis(ethylzinc), M. A. Malik, M. Motevalli and P. O'Brien, Acta Cryst, 1996, C52, 1931-1933.
  33. Novel chiral compounds of group 13 metals: the X-ray crystal structures of [((S)-2-methylbutyl)2MPBut2]2 (M = Ga or In), M. A. Malik, S. W. Haggata, M. Motevalli and P.O'Brien, J. Organomet. Chem., 1996, 524, 95-101.
  34. Deposition and characterization of cadmium sulfide thin films by chemical bath deposition, P. O’Brien and T. Saeed, J. Cryst. Growth 1996, 158, 497-504.
  35. X-ray crystal structures and thermal behaviour of two volatile bis(1,1,1,5,5,5-hexafluropentane-2,4-dionato)barium-(azapolyether) complexes, M. Motevalli, P.O’Brien and I. M. Watson, Polyhedron, 1996, 11, 1865-1875.
  36. A single source approach to the synthesis of CdSe nanocrystallites, T.Trindade and P.O’Brien, Adv. Mater. 1996, 8, 161-163.
  37. Novel dithio- and diseleno-carbamates of zinc and cadmium as single-molecule precursors for low-pressure metal-organic chemical vapour deposition, P.O’Brien, J.R.Walsh,I.M. Watson, M.Motevalli and L.Henriksen, J.Chem. Soc., Dalton Trans., 1996, 2491-2496.
  38. Synthesis, characterization and X-ray crystal structures of asymmetric bis(dialkyldithiocarbamates) of zinc: potential precursors for ZnS deposition, M. Motevalli, P.O’Brien, J.R.Walsh and I.M. Watson, Polyhedron 15, 1996, 2801-2808.
  39. The mixed alkyl gallium or indium N, N, N-trimethylpropylenediaminedithiocarbamates. Crystal structure of diethyl(N,N’,N’-trimethylpropylenediamine) dithiocarbamatoindium(III), S.W. Haggata, M. A.Malik, M.Motevalli and P.O’Brien, J. Organomet. Chem., 1996, 511, 199-205.
  40. A role for molecular oxygen in the formation of DNA damage during the reduction of the carcinogen chromium(VI) by glutathione, A. Kortenkamp, M. Casadevall, S.P. Faux, A. Jenner, R.O.J. Shayer, N. Woodbridge and P. O’Brien, Arch. Biochem. Biophys., 1996, 329, 199-207.
  41. Bis(1,1,1,5,5,5-hexafluoro-2,4-pentane-dionato) (2,5,8,11,14,17-hexaoxaoctadecane)-barium, M. Motevalli, P.O’Brien and I.M.Watson, Acta Cryst. 1996, C52, 3028-3030.
  42. Precursors for electronic materials, P.O'Brien, in Inorganic Materials 2nd (revised) ed D, Bruce and D O'Hare, John Wiley London and New York, 1996, 524-572.
  43. Synthesis of CdS and CdSe nanoparticles by thermolysis of diethyldithio- or diethyldiseleno-carbamates of cadmium, T. Trindade and P. O’Brien, J. Mater. Chem., 1996, 6, 343-347.
  44. Speciation and the nature of ZnO thin films from chemical bath deposition, P. O’Brien, T. Saeed and J.Knowles, J. Mater. Chem., 1996, 6,1135-1139.
  45. Evidence for a relationship between the generation of reactive intermediates and the physicochemical characteristics of nickel oxides, P.O’Brien and H. J. Salacinski, Arch. Toxicol., 1996, 70, 787-800.
  46. Nitrogen doping of ZnSe with trimethylsilylazide, triallylamine or bisditrimetylsilylamidozinc during metalorganic vapour phase epitaxy, W. Taudt, S. Lampe, F. Sauerlander, J. Sollner, H. Hamadeh, M. Heuken, A.C.Jones, S. Rushworth, P. O’Brien and M. A. Malik, J. Cryst. Growth, 1996, 169, 243-249.
  47. Properties of cadmium sulfide films grown by single-source metal-organic chemical vapour deposition with dithiocarbamate precursors, P. O’Brien, J.R. Walsh, I.M. Watson, L. Hart and S.R.P. Silva, J. Cryst. Growth, 1996, 167, 133-142.
  48. Contrast Media (Feature Article), C. Bartram, B. Laermann and P.O’Brien, Synergy, Dec 1996, 34.
  49. Manufacture of nanocrystalline materials, and the nanocrystalline materials obtained and devices containing the nanocrystalline materials , P.O’Brien, and T.Trindade
    PCT Int. Appl., EP 0 850 194 B1, 1997, 28 pp.
  50. N-donor adducts of dimethyl zinc, A. C. Jones, P. O'Brien and J. R. Walsh, Inorganic Syntheses, 31, Ed. A. Cowley, J. Wiley, New York, 1997, 15-18.
  51. Lead(II) dithiocarbamato complexes as precursors for the LP-MOCVD of lead sulfide, T. Trindade and P. O’Brien, Adv. Mater. CVD 1997, 3, 75-77.
  52. Synthesis of CdS and CdSe nanocrystallites using a novel single-molecule precursors approach, T. Trindade, P. O’Brien and Xiao-mei Zhang, Chem. Mater., 1997, 9, 523-530.
  53. Novel alkyl(dialkylamido)zinc(II) compounds: X-ray single-crystal structures of [MeZnNMe(CH2)3NMe2]2, [MeZnNMe(CH2)2NMe2]2, [EtZnNMe(CH2)3NMe2]2, [EtZnNMe(CH2)2NMe2]2, [Me4Zn6O2(MeN(CH2)3NMe2)4], and [Et4Zn6O2(MeN(CH2)2NMe2)4], M. Azad Malik,  P. O'Brien,  M. Motevalli, and A. C. Jones, Inorg. Chem., 1997, 36, 5076-5081.
  54. Evidence for epoxidation in the chromium(VI)-glutathione system, P. O’Brien and N. Woodbridge, Polyhedron, 1997, 16, 2897-2899.
  55. Precursor chemistry: remaining challenges and some novel approaches, P.O’Brien, M.A.Malik, M. Chunggaze, T.Trindade, J.R.Walsh and A.C. Jones, J. Cryst. Growth, 1997, 170, 23-29.
  56. Vapour pressure studies of some nitrogen-donor adducts of dimethylzinc used in the deposition of materials by MOCVD, P. O'Brien, M. A. Malik J. R. Walsh and A. C. Jones, Adv. Mater. Opt. Electron., 1997, 7, 117-121.
  57. An unusual coordination mode in a bis(dialkyldithiocarbamato)zinc(II) adduct with N,N,N’,N’-tetramethylethylenediamine: X-ray crystal structures of 2[MePriNCS2]2Zn.Me2N(CH2)2NMe2 and [MePriNCS2]2Zn.C5H5N, M.A. Malik, M. Motevalli, P. O’Brien and J.R. Walsh, Inorg. Chem. 1997,36, 1263-1264.
  58. A study of the kinetics of the reduction of chromate by ascorbate under aerobic and anaerobic conditions, P. O'Brien and N. Woodbridge, Polyhedron 1997, 16, 2081-2086.
  59. The use of an adduct in improved syntheses of nanoparticulate chalcogenide semiconductors containing cadmium, M. Green and P. O'Brien, Adv. Mater. Opt. Electron. 1997, 7, 277-279.
  60. The properties of some volatile alkyl(di-alkylamido)zinc(II) and bis(di-alkylamido)zinc compounds: potential zinc precursors in MOCVD, M.A.Malik and P.O’Brien, Polyhedron 1997, 16, 3593-3599.
  61. Synthesis of PbS nanocrystallites using a novel single molecule precursor approach: X-ray single-crystal structure of Pb(S2CNEtPri)2, T.Trindade, P.O’Brien, Xiao-mei Zhang and M. Motevalli, J. Mater. Chem. 1997, 7, 1011-1016.
  62. The X-ray single crystal structure of a gallium citrate complex (NH4)3[Ga(C6H5O7)2].4H2O, P.O’Brien, H.J. Salacinski and M. Motevalli, J. Amer. Chem.Soc. 1997, 119, 12695-12696.
  63. The growth of indium selenide thin films from a novel asymmetric dialkyldiselenocarbamate of indium, P. O’Brien, D.J. Otway and J.R. Walsh, Adv. Mater. CVD, 1997, 3, 227-229.
  64. Trisneopentylgallium as a precursor for atomic layer epitaxy of GaAs, P. Yeo, R. Ares, S.P. Watkins, G.A. Horley, P. O’Brien and A.C. Jones, J. Electron. Mater. 1997, 26, 1174-1177.
  65. Deposition of cadmium sulphide thin films from the single-source precursor bis(diethylmonothiocarbamato)cadmium(II) by low-pressure metalorganic chemical vapour deposition, M. Chunggaze, M. A. Malik, and P. O’Brien, Adv. Mater. Opt. Electron., 1998, 7, 311-316.
  66. Deposition of β-In2S3 thin films on glass from the novel single source precursor trisdiethylmonothiocarbamatoindium(III) by low pressure MOCVD, M.Chunggaze, G.A.Horley and P.O’Brien, Topical Issues in Glass,1998, 2, 52-54
  67. Evidence that the reactions of cadmium in the presence of metallothionein can produce hydroxyl radicals, P.O’Brien and H. J. Salacinski, Arch. Toxicol. 1998, 72, 690-700.
  68. Synthesis and X-ray crystal structures of Schiff bases prepared from salicylaldehyde and the diamino acids L-2-amino-3-methylaminopropanoic acid, DL-2,4-diamino-butanoic acid and DL-2,3-diaminopropanoic acid, S. Mahmood, M.A. Malik, M.Motevalli, P.B. Nunn and P. O’Brien, Tetrahedron, 1998, 54, 5721-5730.
  69. Novel precursors for the growth of α-In2S3: trisdialkylthiocarbamates of indium, P. O’Brien, D.J.Otway and J.R.Walsh, Thin Solid Films 1998, 315, 57-61.
  70. Novel approaches to the deposition of selenium containing materials, M.A.Malik, P.O’Brien and D.J.Otway, Phosphorus, Sulfur Silicon Relat. Elem., 1998, 136-138, 431-446.
  71. Some novel carbamato chemistry of cadmium and zinc, M.A. Malik and P. O’Brien, Inorg. Chim. Acta, 1998, 24, 239-242.
  72. Growth mechanisms in atomic layer epitaxy of GaAs, R. Ares, S.P. Watkins, P. Yeo, G.A.Horley, P. O’Brien and A.C.Jones, J. Appl. Phys., 1998, 83, 3390-3397.
  73. An EPR and electronic spectral study of some interactions of bis(diethyl-diselenocarbamato)copper(II) complexes in solution, N.D. Yordanov, M.Y. Mihaylov and P. O’Brien, Polyhedron, 1998, 20, 3501-3505.
  74. A novel simple process for the deposition of thin films of CuInSe2 by MOCVD, J. McAleese, P. O’Brien and D.J. Otway, Adv. Mater. CVD, 1998, 4, 94-96.
  75. A novel synthesis of cadmium phosphide nanoparticles using the single-source precursor [MeCdPtBu2]3, P.O’Brien and M. Green, Adv. Mater. 1998, 10, 527-528.
  76. Vibrational HREELS study of tris-neopentylgallium adsorbed on GaAs(100); identification of surface species and electron excitation mechanisms, C.P.A. Mulcahy, J. Eggeling, G. Horley, A.C. Jones, P. O’Brien and T.S. Jones, Surf. Sci. 1998, 406, 294-301.
  77. MOCVD of zirconia thin films by direct liquid injection using a new class of zirconium precursor, A.C. Jones, T.J. Leedham, P.J. Wright, M.J. Crosbie, P.A. Lane, D.J. Williams, K.A. Fleeting, D.J. Otway and P. O’Brien, Adv. Mater. CVD, 1998, 4, 46-49.
  78. Deposition of thin films of CdSe or ZnSe by MOCVD using simple air stable precursors. M.Chunggaze, J. McAleese, P. O’Brien, and D.J. Otway, J. Chem. Soc., Chem Commum., 1998, 833-834.
  79. Visualization of the gastrointestinal tract. C. I. Bartram, B. Laermann and P. O’Brien, in Contrast Media in Practice, P. Dawson, W. Clauß, Springer-Verlag Berlin Heidelberg New York 1998, Ch 9.9, 203-217.
  80. The synthesis and characterization of tris (N,N’-diethylmonothiocarbamato)indium(III) [In(SOCNEt2)3] and diethyl(N,N’-monothiocarbamato)indium(III) [Et2In(SOCNEt2)]n: potential precursors for the growth of indium sulfide by low pressure metal organic chemical vapour deposition, G.A. Horley, M. Chunggaze, P. O’Brien, A.J.P. White and D.J. Williams, J. Chem. Soc., Dalton Trans, 1998, 4205-4210.
  81. The preparation and structural characterisation of bis (N,N-diethylmono-thiocarbamato)complexes of cadmium and of the novel tetrameric complex [Et4Zn4(OSCNEt2)2(NEt2)2]: two new bonding modes for the monothiocarbamato ligand, M. Chunggaze, M.A. Malik, P. O’Brien, A.J. P. White and D. J. Williams, J. Chem. Soc. Dalton Trans, 1998, 3839-3844.
  82.  Metalorganic chemical vapour deposition of CuInSe2 from copper and indium diselenocarbamates for solar cell devices, J. McAleese and P. O’Brien and D.J. Otway, Mat. Res. Soc. Symp. Proc., 1998, 485, 157-162.
  83. Spectroscopic and structural studies of some precursors for the deposition of PZT and related materials by MOCVD, K A. Fleeting, A.C Jones, T. Leedham, M.A. Malik, P. O’Brien and D.J.Otway, Mat. Res. Soc. Symp. Proc., 1998, 495, 57-62.
  84. Nucleation studies of ZnS and ZnO growth by chemical bath deposition (CBD) on the surface of glass and tin oxide coated glass, J. McAleese and P. O’Brien, Mat. Res. Soc. Symp. Proc., 1998, 485, 255-260.
  85. Control of growth dynamics by molecular design in the MOCVD of electronic ceramics, A.C. Jones,T.J. Leedham, P.J. Wright, M.J. Crosbie, D.J. Williams, P.A. Lane and P. O’Brien, Mat. Res. Soc. Symp. Proc., 1998, 495, 11-21.
  86. Single-source molecular precursors for the deposition of zinc selenide quantum dots, N. Revaprasadu, M.A. Malik, P. O’Brien, M.M. Zulu and G.Wakefield, J. Mater. Chem., 1998, 8, 1885-1888.
  87. A novel metalorganic route for the direct and rapid synthesis of monodispersed quantum dots of indium phosphide, M. Green and P. O’Brien, J. Chem. Soc. Chem. Commun., 1998, 2459-2460.
  88. Liquid Injection MOCVD of zirconium dioxide using a novel mixed ligand zirconium precursor, A. C. Jones, T. J. Leedham, P. J. Wright, M. J. Crosbie, D. J. Williams, K. A. Fleeting, H. O. Davies, D.J. Otway and P. O’Brien, Adv. Mater. CVD, 1998, 4, 197-201.
  89. Synthesis and characterisation of two novel titanium isopropoxides stabilised with a chelating alkoxide: their use in the liquid injection MOCVD of titanium dioxide thin films, A. C. Jones, T.J. Leedham, P. J. Wright, M. J. Crosbie, K. A. Fleeting, D. J. Otway, P. O’Brien and M. E. Pemble, J .Mater. Chem., 1998, 8, 1773-1777.
  90. Developing an understanding of the processes controlling the chemical bath deposition of ZnS and CdS, P.O’Brien and J.McAleese, J. Mater. Chem., 1998, 8, 2309-2314.
  91. A new oxide precursor: the synthesis of a bimetallic alkoxy derivative of strontium(II) and tantalum(V), H.O.Davies, A.C.Jones, T.J.Leedham, P.O’Brien, A.White and D.J.Williams, J. Mater. Chem., 1998, 8, 2315-2316.
  92. Novel single molecule precursor routes for the direct synthesis of highly monodispersed quantum dots of cadmium or zinc sulfide or selenide, B. Ludolph, M.A. Malik, P. O'Brien and N. Revaprasadu, Chem. Commun. 1998, 1849-1850.