Journal
NANO LETTERS
Volume 12, Issue 11, Pages 5840-5844Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl3031955
Keywords
SiO2-Au core/shell; ZnO nanoparticles; photoluminescence; surface plasmon resonance
Categories
Funding
- National Security Technologies through NSF Industry/University Cooperative Research Center Connection One
- National Science Foundation Smart Lighting Engineering Research Center [EEC-0812056]
- NSF [DMR 1151028]
- China Scholarship Council (CSC) [2010646040]
- Defense Threat Reduction Agency (DTRA) [HDTRA-10-1-0002]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1151028] Funding Source: National Science Foundation
Ask authors/readers for more resources
Enhanced near band gap edge (NBE) emissions of PVA-ZnO napoparticles were achieved by employing SiO2-Au core/shell nanostructures whereas the defect level emission (DLE) is greatly suppressed. A maximum enhancement of nearly 400% was observed using SiO2-Au for the emission with optical resonance at 554 nm. SiO2-Au core/shell nanostructures also show a superior tunability of resonance energy as compared to that of the pure metal nanoparticles. The enhancement of the NBE emission and suppressed DIE is ascribed to the transfer of the energetic electrons excited by surface plasmon from metal nanoparticles to the conduction band of ZnO nanoparticles.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available
Share Paper
