Preparation of CdIn2S4-CdS nanocomposite via a green route and using them in dot-sensitized solar cells for boosting efficiency
Subject Areas : Journal of Nanoanalysis
Mehdi
Mousavi-Kamazani
1
(New Technology Faculty, Semnan University, Semnan, Iran)
Keywords: nanocomposite, Thermal decomposition, CdIn2S4-CdS, QDSSCs,
Abstract :
In this work In2S3 and CdS nanoparticles were prepared by a simple hydrothermal method and then annealed at 500 °C for 2 h in an Ar gas until CdIn2S4(CdIS)-CdS nanocomposites were formed. Afterwards, efficiency of the as-synthesized CdIS-CdS nanocomposite in quantum dot-sensitized solar cells (QDSSCs) was evaluated. For this purpose, the as-prepared CdIS-CdS nanocomposites were deposited on TiO2 by doctor’s blade technique and electrophoresis deposition was used for fabrication of TiO2 layer on the FTO glass substrate. Using CdIS-CdS nanocomposite led to obtaining 1.71% cell efficiency that in comparison with pure CdS (0.97%) and CdIn2S4 nanoparticles (95%), efficiency improvements of 76% and 80% were respectively achieved.
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