An-Najah National University

Hikmat S. Hilal\\\'s Blog

1) Advanced Materials & Nanotech 2) Homogeneous and heterogeneous catalysis 3) Water purification 4) Renewable Energies 5) Semiconductor Surface Modification 6) Thin Film preparation and Characterization

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  • Tuesday, January 27, 2004
  • Enhancement of n-GaAs characteristics by combined heating, cooling rate and metalloporphyrin modification techniques
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  • Solid State Sciences, 6, (2004)139-146.

    H. S. Hilal*, W. Ateereh, T. Al-Tel, R. Shubaitah, I. Sadeddin and G. Campet,


    Different modification techniques, namely, preheating, controlling the cooling rate and modification with tetra(-4-pyridyl)porphyrinatomanganese(

    III) have been used to enhance photoelectrochemical characteristics of

    n-GaAs electrodes in light-to-electricity conversions. Combination of such three techniques together yielded electrodes with better darkcurrent density vs potential plots and photocurrent density vs potential plots. Higher efficiency and stability were also observed for electrodes modified by such combined techniques.



    2003 Elsevier SAS. All rights reserved.

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Hikmat S. Hilal
Organometallics (organic and inorganic), Materials, Catalysis, Semiconductors, Photoelectro-chemistry
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