Upconversion luminescence enhancement of SiO2:Yb3+, Tb3+ inverse opal photonic crystal by gold nanoparticles
Source abstract
Abstract
Abstract The SiO2:Yb3 +, Tb3 + inverse opal photonic crystals containing gold nanoparticles were prepared by the self-assembly technique combined with a sol–gel method, and their up-conversion luminescence properties have been investigated under the excitation of 980 nm. The upconversion emission bands from the Tb3 + ions were located at 489, 544, 585 and 622 nm in the SiO2:Yb3 +, Tb3 + inverse opals. The influence of Au nanoparticles on the upconversion emission was observed in the SiO2:Yb3 +, Tb3 + inverse opals. The upconversion emission of SiO2:Yb3 +, Tb3 + inverse opals was enhanced, which is from the population increasing of 5D4 luminescent level of Tb3 + ions induced by surface plasmon effects of Au nanoparticles.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Photonic Crystals and Applications · Nonlinear Optical Materials Studies · Luminescence and Fluorescent Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (17)
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