Journal
NATURE PHOTONICS
Volume 13, Issue 12, Pages 828-838Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/s41566-019-0528-x
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Funding
- Australia-China Joint Research Centre for Pointof-Care Testing [ACSRF65827, SQ2017YFGH001190]
- ARC Discovery Early Career Researcher Award Scheme [DE180100669]
- Science and Technology Innovation Commission of Shenzhen [KQTD20170810110913065]
- National Natural Science Foundation of China (NSFC) [61729501, 51720105015]
- ARC Centre of Excellence in Exciton Science [CE170100026]
- Global Research Laboratory (GRL) Program through the National Research Foundation of Korea (NRF) - Ministry of Science and ICT [2016911815]
- Industrial Strategic Technology Development Program - Ministry of Trade, Industry, and Energy (MOTIE), Korea [10077582]
- KRICT [KK1933-10, SKO1930-20]
- Korea Evaluation Institute of Industrial Technology (KEIT) [10077582] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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To improve the efficiency of photon upconversion, a hybrid approach of combining organic dyes and inorganic nanoparticles is proving successful, especially in the form of dye-sensitized lanthanide-doped upconversion nanoparticles, nanoparticle-sensitized molecular triplet-triplet annihilation systems and metal-organic-framework nanoparticles. In this Review, we survey the latest advances and examine the key factors affecting upconversion performance, such as spectral overlap, core-shell design and the management of triplet excitons and quenchers at the interface between materials. Although issues such as stability, triplet-state quenching, concentration quenching and reabsorption must still be overcome, smart designs of hybrid nanosystems offer exciting opportunities for applications such as solar photovoltaic devices, deep-tissue biomedical imaging, optogenetics and nanomedicine among others.
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