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 journalArticle

16 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 languageEnglish
Pages (from-to)3622-3626
Number of pages5
JournalPhysical Chemistry Chemical Physics
Volume14
Issue number10
DOIs
Publication statusPublished - 2012 Mar 14
Externally publishedYes

Fingerprint

Conducting polymers
conducting polymers
Nanoparticles
embedding
Heterojunctions
heterojunctions
Solar cells
Polymers
solar cells
Equipment and Supplies
nanoparticles
charge transfer
Charge transfer
Light
backscattering
counters
Backscattering
Embedded systems
Conversion efficiency
Electrodes

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

Cite this

Enhancing the device performance of Sb 2S 3-sensitized heterojunction solar cells by embedding Au nanoparticles in the hole-conducting polymer layer. / Lim, Choong Sun; Im, Sang Hyuk; Kim, Hi Jung; Chang, Jeong Ah; Lee, Yong Hui; Seok, Sang Il.

In: Physical Chemistry Chemical Physics, Vol. 14, No. 10, 14.03.2012, p. 3622-3626.

Research output: Contribution to journalArticle

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AU - Seok, Sang Il

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