Journal
NATURE COMMUNICATIONS
Volume 9, Issue -, Pages -Publisher
NATURE PORTFOLIO
DOI: 10.1038/s41467-018-04813-5
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Funding
- Australian Research Council (ARC) Future Fellowship Scheme [FT130100517]
- ARC [DE180100669]
- National Natural Science Foundation of China (NSFC) [61729501, 51720105015]
- Singapore Ministry of Education [R143000627112, R143000642112]
- National Research Foundation, Prime Minister's Office, Singapore under its Competitive Research Program (CRP Award) [NRF-CRP15-2015-03]
- European Upconversion Network (COST Action) [CM1403]
- Australian Research Council [FT130100517, DE180100669] Funding Source: Australian Research Council
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Lanthanide-doped upconversion nanoparticles (UCNPs) are capable of converting near-infrared excitation into visible and ultraviolet emission. Their unique optical properties have advanced a broad range of applications, such as fluorescent microscopy, deep-tissue bioimaging, nanomedicine, optogenetics, security labelling and volumetric display. However, the constraint of concentration quenching on upconversion luminescence has hampered the nanoscience community to develop bright UCNPs with a large number of dopants. This review surveys recent advances in developing highly doped UCNPs, highlights the strategies that bypass the concentration quenching effect, and discusses new optical properties as well as emerging applications enabled by these nanoparticles.
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