Journal
NANOMATERIALS
Volume 11, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/nano11041037
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Funding
- Natural Science Foundation of Shandong Province [ZR2019MF068, ZR2018MA039]
- National Natural Science Foundation Program of China [61775089]
- Science and Technology Plan of Youth Innovation Team for Universities of Shandong Province [2019KJJ019]
- Cultivation Plan of Youth Innovation Talents for Universities of Shandong Province
- Special Construction Project Fund of Shandong Province Taishan Scholars
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Lanthanide materials have narrow emission bandwidths, large Stokes' shifts, and excellent photo-stability, but low photon absorption cross-section and luminescence efficiency. The local surface plasmon resonance effect of plasmonic nanoparticles can improve the luminescence of lanthanide materials through various mechanisms.
Lanthanide materials have great applications in optical communication, biological fluorescence imaging, laser, and so on, due to their narrow emission bandwidths, large Stokes' shifts, long emission lifetimes, and excellent photo-stability. However, the photon absorption cross-section of lanthanide ions is generally small, and the luminescence efficiency is relatively low. The effective improvement of the lanthanide-doped materials has been a challenge in the implementation of many applications. The local surface plasmon resonance (LSPR) effect of plasmonic nanoparticles (NPs) can improve the luminescence in different aspects: excitation enhancement induced by enhanced local field, emission enhancement induced by increased radiative decay, and quenching induced by increased non-radiative decay. In addition, plasmonic NPs can also regulate the energy transfer between two close lanthanide ions. In this review, the properties of the nanocomposite systems of lanthanide material and plasmonic NPs are presented, respectively. The mechanism of lanthanide materials regulated by plasmonic NPs and the scientific and technological discoveries of the luminescence technology are elaborated. Due to the large gap between the reported enhancement and the theoretical enhancement, some new strategies applied in lanthanide materials and related development in the plasmonic enhancing luminescence are presented.
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