Journal
MATERIALS
Volume 12, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/ma12030362
Keywords
quantum dots; enhanced luminescence; surface plasmon resonance; Au nanoshell structures
Categories
Funding
- National Natural Science Foundation of China [61774054, 11747158, 51707128, 61475120]
- Natural Science Fund of Tianjin [16JCZDJC38600, 17JCTPJC52100]
- college students' science and technology innovation project [201810792038, 201810792051]
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In this paper, Au nanoshell arrays, serving as a photo-activated material, are fabricated via the combination of self-assembled nanosphere lithography and the thermal decomposing polymer method. The intensity and position of surface plasmonic resonance can be tuned from the visible region to the near-infrared region by changing the size of Au nanoshell arrays. When resonance absorption peaks of metal nanoparticles are matched with emission wavelengths of core-shell CdSe/CdS quantum dots, fluorescent intensity of CdSe/CdS quantum dots can be strongly enhanced. The physical mechanism of fluorescent enhancement is explained.
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