Hybrid optical materials of plasmon-coupled CdSe/ZnS coreshells for photonic applications

Jaetae Seo, Rafal Fudala, Wan Joong Kim, Ryan Rich, Bagher Tabibi, Hyoyeong Cho, Zygmunt Gryczynski, Ignacy Gryczynski, William Yu

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

A hybrid optical nanostructure of plasmon-coupled SQDs was developed for photonic applications. The coupling distances between the mono-layers of Au nanoparticles with a surface concentration of ~9.18 × 10-4 nm-2 and CdSe/ZnS SQDs with that of ~3.7 × 10-3 nm-2 were controlled by PMMA plasma etching. Time-resolved spectroscopy of plasmon-coupled SQDs revealed a strong shortening of the longest lifetime and ~9-fold PL enhancement. Polarization-resolved PL spectroscopy displayed linear polarization and depolarization at near- and far-field plasmon-coupling, respectively. The physical origin of PL enhancement could be attributable to both the large local field enhancement and the fast resonant energy transfer.

Original languageEnglish
Pages (from-to)1026-1039
Number of pages14
JournalOptical Materials Express
Volume2
Issue number8
DOIs
StatePublished - 1 Aug 2012

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Optical materials
Hybrid materials
Photonics
Spectroscopy
Polarization
Plasma etching
Depolarization
Polymethyl Methacrylate
Energy transfer
Nanostructures
Nanoparticles

Cite this

Seo, Jaetae ; Fudala, Rafal ; Kim, Wan Joong ; Rich, Ryan ; Tabibi, Bagher ; Cho, Hyoyeong ; Gryczynski, Zygmunt ; Gryczynski, Ignacy ; Yu, William. / Hybrid optical materials of plasmon-coupled CdSe/ZnS coreshells for photonic applications. In: Optical Materials Express. 2012 ; Vol. 2, No. 8. pp. 1026-1039.
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Hybrid optical materials of plasmon-coupled CdSe/ZnS coreshells for photonic applications. / Seo, Jaetae; Fudala, Rafal; Kim, Wan Joong; Rich, Ryan; Tabibi, Bagher; Cho, Hyoyeong; Gryczynski, Zygmunt; Gryczynski, Ignacy; Yu, William.

In: Optical Materials Express, Vol. 2, No. 8, 01.08.2012, p. 1026-1039.

Research output: Contribution to journalArticle

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AU - Fudala, Rafal

AU - Kim, Wan Joong

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AU - Tabibi, Bagher

AU - Cho, Hyoyeong

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AU - Gryczynski, Ignacy

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