Enhancing Bi₂S₃ sensitised mesoporous TiO₂ solar cells by co-sensitisation with Bi₂S₃/CdS quantum dots
by Alagappan Annamalai; Kyungho Kim; Kyungeun Jung; Man-Jong Lee; Joon Mo Ahn
International Journal of Nanotechnology (IJNT), Vol. 13, No. 4/5/6, 2016

Abstract: Although the Bi₂S₃ QDs have an ideal bandgap for the efficient light absorbers, the Bi₂S₃ QDs sensitised solar cells generally indicate low photovoltaic properties owing to the active photocorrosion of Bi₂S₃ QDs. Herein, we report the enhancement of Bi₂S₃ QDs sensitised solar cells using the co-sensitisation of Bi₂S₃ with CdS QDs. By the homogeneous covering as well as effective blocking of photocorrosion and recombination, the CdS/Bi₂S₃ co-sensitised solar cells showed three-fold increase in efficiency.

Online publication date: Mon, 20-Jun-2016

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