Enhancing the device performance of Sb 2S 3-sensitized heterojunction solar cells by embedding Au nanoparticles in the hole-conducting polymer layer

Choong Sun Lim; Sang Hyuk Im; Hi Jung Kim; Jeong Ah Chang; Yong Hui Lee; Sang Il Seok

doi:10.1039/c2cp23650h

Enhancing the device performance of Sb ₂S ₃-sensitized heterojunction solar cells by embedding Au nanoparticles in the hole-conducting polymer layer

Choong Sun Lim, Sang Hyuk Im, Hi Jung Kim, Jeong Ah Chang, Yong Hui Lee, Sang Il Seok

Research output: Contribution to journal › Article › peer-review

17 Citations (Scopus)

Abstract

Performance of Sb ₂S ₃-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 Sb ₂S ₃/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: J _sc 11.0 to 12.8 mA cm ^-2, V _oc 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 V _oc, J _sc, and FF in Au nanoparticle-embedded systems is mainly attributed to the improved charge collection efficiency and light harvesting efficiency of Sb ₂S ₃ due to the improved charge transfer/transport in the Sb ₂S ₃/P3HT/Au interface.

Original language	English
Pages (from-to)	3622-3626
Number of pages	5
Journal	Physical Chemistry Chemical Physics
Volume	14
Issue number	10
DOIs	https://doi.org/10.1039/c2cp23650h
Publication status	Published - 2012 Mar 14
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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abstract = "Performance of Sb 2S 3-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 Sb 2S 3/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: J sc 11.0 to 12.8 mA cm -2, V oc 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 V oc, J sc, and FF in Au nanoparticle-embedded systems is mainly attributed to the improved charge collection efficiency and light harvesting efficiency of Sb 2S 3 due to the improved charge transfer/transport in the Sb 2S 3/P3HT/Au interface.",

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AU - Chang, Jeong Ah

AU - Lee, Yong Hui

AU - Seok, Sang Il

PY - 2012/3/14

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Enhancing the device performance of Sb ₂S ₃-sensitized heterojunction solar cells by embedding Au nanoparticles in the hole-conducting polymer layer

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