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Article
Open AccessCompressive confocal microscopy imaging at the single-photon level with ultra-low sampling ratios
Laser-scanning confocal microscopy serves as a critical instrument for microscopic research in biology. However, it suffers from low imaging speed and high phototoxicity. Here we build a novel deep compressive...
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Article
Open AccessCreating pairs of exceptional points for arbitrary polarization control: asymmetric vectorial wavefront modulation
Exceptional points (EPs) can achieve intriguing asymmetric control in non-Hermitian systems due to the degeneracy of eigenstates. Here, we present a general method that extends this specific asymmetric respons...
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Article
Ultrafast exciton transport at early times in quantum dot solids
Quantum dot (QD) solids are an emerging platform for develo** a range of optoelectronic devices. Thus, understanding exciton dynamics is essential towards develo** and optimizing QD devices. Here, using tr...
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Article
Anomalous upconversion amplification induced by surface reconstruction in lanthanide sublattices
Upconversion nanocrystals have been extensively investigated for optical imaging and biomedical applications1,2. However, their photoluminescence is strongly attenuated by surface quenching as the nanocrystal siz...
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Article
Open AccessPhoton upconversion through triplet exciton-mediated energy relay
Exploration of upconversion luminescence from lanthanide emitters through energy migration has profound implications for fundamental research and technology development. However, energy migration-mediated upco...
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Article
Open AccessLadder-like energy-relaying exciplex enables 100% internal quantum efficiency of white TADF-based diodes in a single emissive layer
Development of white organic light-emitting diodes based on purely thermally activated delayed fluorescence with a single-emissive-layer configuration has been a formidable challenge. Here, we report the ratio...
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Article
Lanthanide-doped inorganic nanoparticles turn molecular triplet excitons bright
The generation, control and transfer of triplet excitons in molecular and hybrid systems is of great interest owing to their long lifetime and diffusion length in both solid-state and solution phase systems, a...
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Article
Driving Neurogenesis in Neural Stem Cells with High Sensitivity Optogenetics
Optogenetic stimulation of neural stem cells (NSCs) enables their activity-dependent photo-modulation. This provides a spatio-temporal tool for studying activity-dependent neurogenesis and for regulating the d...
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Article
All-inorganic perovskite nanocrystal scintillators
The rising demand for radiation detection materials in many applications has led to extensive research on scintillators1–3. The ability of a scintillator to absorb high-energy (kiloelectronvolt-scale) X-ray photo...
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Article
Open AccessMulticolour synthesis in lanthanide-doped nanocrystals through cation exchange in water
Meeting the high demand for lanthanide-doped luminescent nanocrystals across a broad range of fields hinges upon the development of a robust synthetic protocol that provides rapid, just-in-time nanocrystal pre...
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Article
Imparting functionality to a metal–organic framework material by controlled nanoparticle encapsulation
Microporous metal–organic frameworks (MOFs) that display permanent porosity show great promise for a myriad of purposes. The potential applications of MOFs can be developed further and extended by encapsulatin...
