Themed collection Editor’s Choice Collection: Photon Upconversion
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Editor's Choice collection: photon upconversion
Associate Editor, Professor Xiaogang Liu (National University of Singapore), introduces this Editor's Choice collection in Nanoscale on photon upconversion.
Nanoscale, 2023,15, 18547-18549
https://doi.org/10.1039/D3NR90213G
Extending photocatalysis to the visible and NIR: the molecular strategy
Molecular photosensitizers (PS) allow to exploit visible (Vis) and near-infrared (NIR) light for photocatalytic production of solar fuels, organic synthesis and environmental remediation.
Nanoscale, 2021,13, 9147-9159
https://doi.org/10.1039/D1NR01401C
Overcoming thermal quenching in upconversion nanoparticles
Recent efforts for alleviating energy dissipation and enhancement of energy collection are reviewed to combat thermal quenching in UCNPs.
Nanoscale, 2021,13, 3454-3462
https://doi.org/10.1039/D0NR08603G
Lanthanide doped luminescence nanothermometers in the biological windows: strategies and applications
The development of lanthanide-doped non-contact luminescent nanothermometers operating in the biological windows spectral regions, the strategies to improve their thermal sensitivities, and their applications have been reviewed.
Nanoscale, 2021,13, 7913-7987
https://doi.org/10.1039/D0NR09150B
Recent advances in optical and optoelectronic data storage based on luminescent nanomaterials
The recent achievements in luminescent nanomaterials used in optical and optoelectronic data storage have been reviewed.
Nanoscale, 2020,12, 23391-23423
https://doi.org/10.1039/D0NR06719A
Visualization of intercellular cargo transfer using upconverting nanoparticles
Cell–cell communication is important for cellular differentiation, organ function, and immune responses.
Nanoscale, 2022,14, 14008-14013
https://doi.org/10.1039/D2NR01999J
Evidence for triplet-state-dominated luminescence in biicosahedral superatomic molecular Au25 clusters
Biicosahedral Au25 clusters exhibit room-temperature phosphorescence from the excited triplet state with an intersystem crossing quantum yield of almost 100%. This property allows triplet sensitization and induces triplet fusion photon upconversion.
Nanoscale, 2022,14, 7974-7979
https://doi.org/10.1039/D2NR00813K
Green-to-UV photon upconversion enabled by new perovskite nanocrystal-transmitter-emitter combination
The first example of green (λ > 500 nm)-to-ultraviolet (λ < 400 nm) triplet–triplet annihilation-based photon upconversion sensitized by lead halide perovskite nanocrystals is achieved.
Nanoscale, 2021,13, 19890-19893
https://doi.org/10.1039/D1NR06588B
Video-rate upconversion display from optimized lanthanide ion doped upconversion nanoparticles
A method for video-rate display with optimized single UCNP brightness by integrating the full emission intensity over excitation time and lifetime.
Nanoscale, 2020,12, 18595-18599
https://doi.org/10.1039/D0NR03076G
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/open-access-icon-orange.png)
Pr3+ doped NaYF4 and LiYF4 nanocrystals combining visible-to-UVC upconversion and NIR-to-NIR-II downconversion luminescence emissions for biomedical applications
NaYF4 and LiYF4 nanoparticles co-doped with Pr3+ and Yb3+ are reported, manifesting 980 nm excited downconversion luminescence peaked at 1320 nm for NIR-II bioimaging and 447 nm excited upconversion luminescence at 275 nm for germicide action.
Nanoscale, 2022,14, 14770-14778
https://doi.org/10.1039/D2NR01680J
Simultaneous ultraviolet-C and near-infrared enhancement in heterogeneous lanthanide nanocrystals
A dye-sensitized heterogeneous lanthanide nanocrystal regulates the energy transfer pathway for UVC and NIR enhancement under 793 nm excitation.
Nanoscale, 2022,14, 4595-4603
https://doi.org/10.1039/D1NR07329J
Cubic versus hexagonal – phase, size and morphology effects on the photoluminescence quantum yield of NaGdF4:Er3+/Yb3+ upconverting nanoparticles
The photoluminescence quantum yield (PLQY) of NaGdF4:Er3+/Yb3+ upconverting nanoparticles (UCNPs) as a function of size and shape is studied. Sub-20 nm α-phase UCNPs showed a higher PLQY compared to similar size β-phase UCNPs.
Nanoscale, 2022,14, 1492-1504
https://doi.org/10.1039/D1NR06319G
First-principles calculations of strain engineering in NaYF4-based nanocrystals with hydroxyl impurities
The concentration of hydroxyl impurities in fluoride-based core-shell nanocrystals can be minimized by epitaxial growth of spatially compressed shells under fluoride-rich conditions.
Nanoscale, 2021,13, 19561-19567
https://doi.org/10.1039/D1NR06904G
Controlling the thermal switching in upconverting nanoparticles through surface chemistry
The surface chemistry of upconversion nanoparticles can effectively control the quenching effect of water molecules affecting the thermal dynamics of luminescence.
Nanoscale, 2021,13, 16267-16276
https://doi.org/10.1039/D1NR03223B
Dual magnetic field and temperature optical probes of controlled crystalline phases in lanthanide-doped multi-shell nanoparticles
Dual magnetic and temperature optical probes of hierarchically structured core@multi-shell nanoparticles with controlled crystalline phases: a magneto cubic core containing DyIII and a co-doped ErIII:YbIII: NdIII optical hexagonal shell.
Nanoscale, 2021,13, 14723-14733
https://doi.org/10.1039/D1NR03796J
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/open-access-icon-orange.png)
Improving performance of luminescent nanothermometers based on non-thermally and thermally coupled levels of lanthanides by modulating laser power
This work sheds light on the pump power impact on the performance of luminescent thermometers, which is often underestimated by researchers.
Nanoscale, 2021,13, 14139-14146
https://doi.org/10.1039/D1NR01395E
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/open-access-icon-orange.png)
Breaking the diffraction limit in absorption spectroscopy using upconverting nanoparticles
We employ a single optically trapped upconverting nanoparticle (UCNP) of NaYF4:Yb,Er of diameter about 100 nm as a subdiffractive source to perform absorption spectroscopy.
Nanoscale, 2021,13, 11856-11866
https://doi.org/10.1039/D1NR02103F
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/open-access-icon-orange.png)
NIR laser scanning microscopy for photophysical characterization of upconversion nanoparticles and nanohybrids
NIR laser scanning microscopy enables the determination of the emission lifetime of upconversion nanoparticles (UCNPs) and UCNP nanohybrids (UCNHs), and the evaluation of the homogeneity in terms of colocalization of UCNHs.
Nanoscale, 2021,13, 10067-10080
https://doi.org/10.1039/D1NR00389E
Enhancing multiphoton upconversion emissions through confined energy migration in lanthanide-doped Cs2NaYF6 nanoplatelets
By virtue of the two-dimensional-like structure of Cs2NaYF6, we achieve efficient UV, red and green upconversion emissions of Tm3+, Eu3+ and Tb3+ in core-only Cs2NaYF6:Yb/Tm, Cs2NaYF6:Yb/Tm/Gd/Eu and Cs2NaYF6:Yb/Tm/Gd/Tb nanoplatelets, respectively.
Nanoscale, 2021,13, 9766-9772
https://doi.org/10.1039/D1NR01745D
Plant tissue imaging with bipyramidal upconversion nanocrystals by introducing Tm3+ ions as energy trapping centers
Bipyramidal LiErF4:Tm3+@LiYF4 upconversion nanocrystals with high signal-to-noise ratio for plant cell imaging.
Nanoscale, 2021,13, 8181-8187
https://doi.org/10.1039/D0NR07399G
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/open-access-icon-orange.png)
Manipulation of up-conversion emission in NaYF4 core@shell nanoparticles doped by Er3+, Tm3+, or Yb3+ ions by excitation wavelength—three ions—plenty of possibilities
Core@shell nanoparticles showing up-conversion under 808, 975, 1208 or 1532 nm excitation were synthesised. Nanoparticles revealed their multifunctionality and emission bands covering the visible to near-infrared range (475 to 1625 nm).
Nanoscale, 2021,13, 7322-7333
https://doi.org/10.1039/D0NR07136F
Upconversion nanoparticles modified by Cu2S for photothermal therapy along with real-time optical thermometry
Effective photothermal conversion is realized with NaScF4: Yb3+/Er3+/Mn2+@NaScF4@SiO2@Cu2S nanoparticles along with high resolution optical thermometry in real time.
Nanoscale, 2021,13, 7161-7168
https://doi.org/10.1039/D0NR09115D
Tunable upconversion of holmium sublattice through interfacial energy transfer for anti-counterfeiting
We report a mechanistic strategy towards the tunable upconversion of holmium sublattice through interfacial energy transfer under both steady-state and non-steady-state excitations, showing great promise in anti-counterfeiting.
Nanoscale, 2021,13, 4812-4820
https://doi.org/10.1039/D0NR09068A
Thermal properties of lipid bilayers derived from the transient heating regime of upconverting nanoparticles
An experimental approach and associated model to derive the nanoscale thermal properties of a conformal lipid bilayer supported on an upconverting nanoparticle, and which yields fundamental biophysical properties of the lipid bilayer.
Nanoscale, 2020,12, 24169-24176
https://doi.org/10.1039/D0NR06989B
An all-in-one theranostic nanoplatform based on upconversion dendritic mesoporous silica nanocomposites for synergistic chemodynamic/photodynamic/gas therapy
A NO-release platform based on upconversion dendritic mesoporous silica nanocomposites was invented for combined imaging-guided synergistic chemodynamic/photodynamic/gas therapy.
Nanoscale, 2020,12, 24146-24161
https://doi.org/10.1039/D0NR06790C
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/open-access-icon-orange.png)
Controlling the non-linear emission of upconversion nanoparticles to enhance super-resolution imaging performance
Convenient design of fully Yb-based upconversion nanoparticles enables control of their luminescence characteristics and enhances super-resolution imaging performance.
Nanoscale, 2020,12, 20347-20355
https://doi.org/10.1039/D0NR04809G
About this collection
Associate Editor Professor Xiaogang Liu (National University of Singapore) has selected some outstanding recent publications on the topic of photon upconversion in Nanoscale to feature in this Editor’s Choice collection. To highlight significant developments in the field, this online collection includes high quality articles and reviews from Nanoscale over the past couple of years. Congratulations to all featured authors.