Self-Position of Au NPs in Perovskite Solar Cells

Optical and Electrical Contribution

Da Seul Lee, Wanjung Kim, Bong Geun Cha, Jeong Kwon, Sung June Kim, Min Kim, Jaeyun Kim, Dong Hwan Wang, Jong Hyeok Park

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

Metallic nanoparticles (NPs) exhibit a localized surface plasmon resonance (LSPR) and act as scattering centers and subwavelength antennas, so metallic NPs can be incorporated into perovskite solar cells (PSCs) to effectively improve the light absorption of light harvesting devices. Here, we have embedded Au nanoparticles (NPs) into the hole transport layer (HTL) of the PSCs to investigate the photovoltaic effect of the PSCs with Au NPs. Interestingly, it was found that Au NPs dispersed spiro-OMeTAD HTL solution could naturally end up located near the perovskite layer as the result of the spin-coating step. Solar cell performance observations indicate that the LSPR and electrical effects of Au NPs enhance the photovoltaic response of PSCs, in spite of a slight decrease in the open-circuit voltage (VOC), by causing an incredible improvement in the photocurrent density as a dominant factor.

Original languageEnglish
Pages (from-to)449-454
Number of pages6
JournalACS Applied Materials and Interfaces
Volume8
Issue number1
DOIs
Publication statusPublished - 2016 Jan 13

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Nanoparticles
Surface plasmon resonance
Photovoltaic effects
Spin coating
Open circuit voltage
Photocurrents
Volatile organic compounds
Perovskite
Light absorption
Perovskite solar cells
Solar cells
Scattering
Antennas

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

Cite this

Lee, Da Seul ; Kim, Wanjung ; Cha, Bong Geun ; Kwon, Jeong ; Kim, Sung June ; Kim, Min ; Kim, Jaeyun ; Wang, Dong Hwan ; Park, Jong Hyeok. / Self-Position of Au NPs in Perovskite Solar Cells : Optical and Electrical Contribution. In: ACS Applied Materials and Interfaces. 2016 ; Vol. 8, No. 1. pp. 449-454.
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Self-Position of Au NPs in Perovskite Solar Cells : Optical and Electrical Contribution. / Lee, Da Seul; Kim, Wanjung; Cha, Bong Geun; Kwon, Jeong; Kim, Sung June; Kim, Min; Kim, Jaeyun; Wang, Dong Hwan; Park, Jong Hyeok.

In: ACS Applied Materials and Interfaces, Vol. 8, No. 1, 13.01.2016, p. 449-454.

Research output: Contribution to journalArticle

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