Enhanced luminescence of CsPbBr3perovskite nanocrystals on stretchable templates with Au/SiO2plasmonic nanoparticles

Jin Hyeon Yun; Alexander Y. Polyakov; Kyu Cheol Kim; Yeon Tae Yu; Donghyun Lee; In Hwan Lee

doi:10.1364/OL.43.002352

Enhanced luminescence of CsPbBr₃perovskite nanocrystals on stretchable templates with Au/SiO₂plasmonic nanoparticles

Jin Hyeon Yun, Alexander Y. Polyakov, Kyu Cheol Kim, Yeon Tae Yu, Donghyun Lee, In Hwan Lee

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

6 Citations (Scopus)

Abstract

We propose stretchable plasmonic templates of Au and Au∕SiO₂ nanoparticles (NPs) to improve the luminescence of CsPbBr₃ perovskite nanocrystals (PNCs). These templates are highly flexible and consist of polymer-metal NP composites that facilitate the luminescence enhancement by localized surface plasmons (LSPs) due to coupling with metal NP. This template also prevents the degradation of carrier transport properties for perovskite light-emitting diodes by embedding metal NPs in polymer. The luminescence of PNC film on the template with Au NPs decreases by 21% compared to PNC films on the reference (polymer film without metal NPs), while it increases by 54% for the templates with Au∕SiO₂ NPs. The observed effects are explained by the luminescence enhancement due to coupling to LSPs formed by the Au∕SiO₂ NPs and by the prevalence of electron tunneling and dumping for Au NPs.

Original language	English
Pages (from-to)	2352-2355
Number of pages	4
Journal	Optics Letters
Volume	43
Issue number	10
DOIs	https://doi.org/10.1364/OL.43.002352
Publication status	Published - 2018 May 15

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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title = "Enhanced luminescence of CsPbBr3perovskite nanocrystals on stretchable templates with Au/SiO2plasmonic nanoparticles",

abstract = "We propose stretchable plasmonic templates of Au and Au∕SiO2 nanoparticles (NPs) to improve the luminescence of CsPbBr3 perovskite nanocrystals (PNCs). These templates are highly flexible and consist of polymer-metal NP composites that facilitate the luminescence enhancement by localized surface plasmons (LSPs) due to coupling with metal NP. This template also prevents the degradation of carrier transport properties for perovskite light-emitting diodes by embedding metal NPs in polymer. The luminescence of PNC film on the template with Au NPs decreases by 21% compared to PNC films on the reference (polymer film without metal NPs), while it increases by 54% for the templates with Au∕SiO2 NPs. The observed effects are explained by the luminescence enhancement due to coupling to LSPs formed by the Au∕SiO2 NPs and by the prevalence of electron tunneling and dumping for Au NPs.",

author = "Yun, {Jin Hyeon} and Polyakov, {Alexander Y.} and Kim, {Kyu Cheol} and Yu, {Yeon Tae} and Donghyun Lee and Lee, {In Hwan}",

note = "Funding Information: Funding. National Research Foundation of Korea (NRF); Ministry of Science, ICT and Future Planning (MSIP). Publisher Copyright: {\textcopyright} 2018 Optical Society of America.",

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doi = "10.1364/OL.43.002352",

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AU - Yun, Jin Hyeon

AU - Polyakov, Alexander Y.

AU - Kim, Kyu Cheol

AU - Yu, Yeon Tae

AU - Lee, Donghyun

AU - Lee, In Hwan

PY - 2018/5/15

Y1 - 2018/5/15

N2 - We propose stretchable plasmonic templates of Au and Au∕SiO2 nanoparticles (NPs) to improve the luminescence of CsPbBr3 perovskite nanocrystals (PNCs). These templates are highly flexible and consist of polymer-metal NP composites that facilitate the luminescence enhancement by localized surface plasmons (LSPs) due to coupling with metal NP. This template also prevents the degradation of carrier transport properties for perovskite light-emitting diodes by embedding metal NPs in polymer. The luminescence of PNC film on the template with Au NPs decreases by 21% compared to PNC films on the reference (polymer film without metal NPs), while it increases by 54% for the templates with Au∕SiO2 NPs. The observed effects are explained by the luminescence enhancement due to coupling to LSPs formed by the Au∕SiO2 NPs and by the prevalence of electron tunneling and dumping for Au NPs.

AB - We propose stretchable plasmonic templates of Au and Au∕SiO2 nanoparticles (NPs) to improve the luminescence of CsPbBr3 perovskite nanocrystals (PNCs). These templates are highly flexible and consist of polymer-metal NP composites that facilitate the luminescence enhancement by localized surface plasmons (LSPs) due to coupling with metal NP. This template also prevents the degradation of carrier transport properties for perovskite light-emitting diodes by embedding metal NPs in polymer. The luminescence of PNC film on the template with Au NPs decreases by 21% compared to PNC films on the reference (polymer film without metal NPs), while it increases by 54% for the templates with Au∕SiO2 NPs. The observed effects are explained by the luminescence enhancement due to coupling to LSPs formed by the Au∕SiO2 NPs and by the prevalence of electron tunneling and dumping for Au NPs.

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Enhanced luminescence of CsPbBr₃perovskite nanocrystals on stretchable templates with Au/SiO₂plasmonic nanoparticles

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