Photovoltaic activity in a ZnSe/PEO-chitosan blend electrolyte junction

Mohamad, S.A. and Ali, M.H. and Yahya, R. and Ibrahim, Z.A. and Arof, Abdul Kariem (2007) Photovoltaic activity in a ZnSe/PEO-chitosan blend electrolyte junction. Ionics, 13 (4). pp. 235-240. ISSN 0947-7047 , DOI

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Thin films of ZnSe and PEO-chitosan blend polymer doped with NH 4I and iodine crystals were prepared to form the two sides of a semiconductor electrolyte junction. ZnSe was electrodeposited on indium tin oxide (ITO) conducting glass. The polymer is a blend of 50 wt chitosan and 50 wt polyethylene oxide. The polymer blend was complexed with ammonium iodide (NH 4I), and some iodine crystals were added to the polymer-NH 4I solution to provide the I -/I 3-redox couple. The room temperature ionic conductivity of the polymer electrolyte is 4.32���10 -6 S/cm. The polymer film was sandwiched between the ZnSe semiconductor and an ITO glass to form a ZnSe/polymer electrolyte/ITO photovoltaic cell. The open circuit voltage (V oc) of the fabricated cells ranges between 200 to 400 mV and the short circuit current between 7 to 10 μA.

Item Type: Article
Uncontrolled Keywords: Chitosan PEO Photovoltaic properties Redox couple ZnSe Chitin Doping (additives) Photovoltaic cells Polyelectrolytes Polyethylene oxides Polymer blends Zinc compounds Ammonium iodide Indium tin oxide (ITO) conducting glass Short circuit current Thin films
Subjects: Q Science > QD Chemistry
Depositing User: miss munirah saadom
Date Deposited: 05 Jul 2013 07:22
Last Modified: 04 Oct 2018 06:58

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