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Optical absorption enhancement of embedded Ag nanoparticles with ZnO nanorod arrays

✍ Scribed by Ko, Yeong Hwan ;Yu, Jae Su

Book ID
105366599
Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
773 KB
Volume
208
Category
Article
ISSN
0031-8965

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✦ Synopsis

Abstract

We report the enhancement in optical absorption of embedded silver (Ag) nanoparticles (NPs), which are self‐assembled from Ag films with different thicknesses by a rapid thermal annealing treatment, with zinc oxide (ZnO) nanorod arrays (NRAs) on fluorine‐doped SnO~2~/glass by a simple wet‐chemical synthesis using a thin sputtered ZnO seed layer. The optical absorption and photoluminescence (PL) emission are enhanced by the resonant coupling between the localized surface plasmons of Ag NPs. For optimized ZnO NRAs with embedded Ag NPs, the PL peak intensity is increased up to 4.1 times and the optical absorption of Ag NPs is maximized with dipole and quadrupole resonance peaks.

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