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Issue 10, 2012
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Enhancing the device performance of Sb2S3-sensitized heterojunction solar cells by embedding Au nanoparticles in the hole-conducting polymer layer

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Abstract

Performance of Sb2S3-sensitized heterojunction solar cells is enhanced by embedding Au nanoparticles in the poly-3-hexylthiophene (P3HT) hole-conducting polymer layer. The improved charge transfer/transport at the Sb2S3/P3HT/Au interface by extended interface area of the P3HT/Au counter electrode and the re-absorption of the backscattering light from the embedded Au nanoparticles enhanced the device performance: Jsc 11.0 to 12.8 mA cm−2, Voc 606 to 626 mV, fill factor (FF) 60.5 to 61.2%, and power conversion efficiency (η) 4.0 to 4.9%. Simultaneous enhancement of Voc, Jsc, and FF in Au nanoparticle-embedded systems is mainly attributed to the improved charge collection efficiency and light harvesting efficiency of Sb2S3 due to the improved charge transfer/transport in the Sb2S3/P3HT/Au interface.

Graphical abstract: Enhancing the device performance of Sb2S3-sensitized heterojunction solar cells by embedding Au nanoparticles in the hole-conducting polymer layer

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Publication details

The article was received on 20 Nov 2011, accepted on 11 Jan 2012 and first published on 13 Jan 2012


Article type: Paper
DOI: 10.1039/C2CP23650H
Citation: Phys. Chem. Chem. Phys., 2012,14, 3622-3626
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    Enhancing the device performance of Sb2S3-sensitized heterojunction solar cells by embedding Au nanoparticles in the hole-conducting polymer layer

    C. Lim, S. H. Im, H. Kim, J. A. Chang, Y. H. Lee and S. I. Seok, Phys. Chem. Chem. Phys., 2012, 14, 3622
    DOI: 10.1039/C2CP23650H

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