Solid state dye-sensitized solar cell with TiO2/NiO heterojunction: Effect of particle size and layer thickness on photovoltaic performance

The usefulness of nickel oxide as a hole transporting material in solid state dye-sensitised solar cells (SSDSSCs) is shown. The photovoltaic performance of sensitised TiO2/NiO heterojunctions is reported, and the effects of the TiO2 and NiO film thickness and morphology on the photovoltaic behaviou...

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Bibliographic Details
Published in:Materials chemistry and physics 2011-02, Vol.125 (3), p.553-557
Main Authors: Wong, K H, Ananthanarayanan, K, Gajjela, S R, Balaya, P
Format: Article
Language:English
Subjects:
Density
Dyes
Film thickness
Heterojunctions
Open circuit voltage
Photovoltaic cells
Solar cells
Solid state
Titanium dioxide
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Summary:The usefulness of nickel oxide as a hole transporting material in solid state dye-sensitised solar cells (SSDSSCs) is shown. The photovoltaic performance of sensitised TiO2/NiO heterojunctions is reported, and the effects of the TiO2 and NiO film thickness and morphology on the photovoltaic behaviour of TiO2/NiO SSDSSC was assessed. Under 1 sun AM1.5G simulated illumination, the SSDSSCs demonstrated the best photovoltaic performance with a short circuit photocurrent density, open circuit voltage, fill factor and efficiency of 0.91 mA/cm2, 780 mV, 40% and 0.3%, respectively. Attention is drawn to the feasibility of enhancing the photovoltaic performance in SSDSSC devices through development of appropriately designed sensitised TiO2/NiO heterojunctions.
ISSN:0254-0584
DOI:10.1016/j.matchemphys.2010.10.017