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Photovoltaic activity in a ZnTe/PEO–chitosan blend electrolyte junction

A ZnTe/polymer junction has been fabricated and the photovoltaic properties studied. The polymer is a blend of 50 wt% chitosan and 50 wt% polyethylene oxide (PEO). The polymer blend was complexed with ammonium iodide (NH 4I) and some iodine crystals were added to the polymer–NH 4I solution to provid...

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Published in:Solar energy materials and solar cells 2007-08, Vol.91 (13), p.1194-1198
Main Authors: Mohamad, S.A., Yahya, R., Ibrahim, Z.A., Arof, A.K.
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Language:English
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description A ZnTe/polymer junction has been fabricated and the photovoltaic properties studied. The polymer is a blend of 50 wt% chitosan and 50 wt% polyethylene oxide (PEO). 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 ionic conductivity of the polymer electrolyte is 4.32×10 −6 S cm −1 at room temperature. ZnTe was electrodeposited on ITO conducting glass. The polymer film was sandwiched between the ZnTe semiconductor and an ITO glass to form a ZnTe/polymer electrolyte/ITO photovoltaic cell. The open circuit voltage ( V oc) of the fabricated cells ranges between 300 and 400 mV and the short circuit current between 2 and 5 μA.
doi_str_mv 10.1016/j.solmat.2007.04.002
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ispartof Solar energy materials and solar cells, 2007-08, Vol.91 (13), p.1194-1198
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1879-3398
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source ScienceDirect Journals
subjects Applied sciences
Chitosan
Energy
Equipments, installations and applications
Exact sciences and technology
Natural energy
PEO
Photovoltaic conversion
Photovoltaic properties
Redox couple
Solar energy
ZnTe
title Photovoltaic activity in a ZnTe/PEO–chitosan blend electrolyte junction
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