ArticleRSC advances2021
Selective enhancement of upconversion luminescence for enhanced ratiometric sensing.
Article in RSC advances, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Effective plasmonic enhancement of up-conversion photoluminescence from α-NaGdFScientific reports · 2026Article
- Optical force sensor based on plasmon modulated upconversion luminescence.Advanced optical materials · 2024Article
- True FRET-based sensing of pH via Separation of FRET and Photon Reabsorption.Advanced optical materials · 2022Article
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
Lanthanide-doped upconversion nanoparticles (UCNPs) have attracted widespread interest in bioimaging and sensing due to their photostability, low excitation energy, and good tissue penetration. Plasmonic nanostructures, on the other hand, can enhance the luminescence of UCNPs by concentrating electric fields into a nanoscale volume. While the enhanced luminescence intensity is in principle beneficial to sensing, intensity-based sensing has limitations in absolute measurements. This deficiency can be overcome by employing ratiometric sensing in which intensity ratio, rather than intensity itself, is used to quantitatively determine the presence of analytes. The ratiometric sensing is advantageous because the intensity ratio is much less sensitive to the variations in the environment and the number of probe materials in the sensing volume. Here, we demonstrate a plasmonic nanostructure with upconversion nanoparticles for an enhanced ratiometric sensing platform. The plasmonic nanostructure is composed of UCNPs, an indium tin oxide (ITO) spacer layer and an Au nanodisk. The nanostructure is designed such that the plasmon resonance selectively enhances the red luminescence of NaYGdF
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Registered trials
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