Organic Upconversion Imager with Dual Electronic and Optical Readouts for Shortwave Infrared Light Detection
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202100565
Abstract: There remains a critical need for large‐area imaging technologies that operate in the shortwave infrared spectral region. Upconversion imagers that combine photo‐sensing and display in a compact structure are attractive since they avoid the costly… read more here.
Keywords: shortwave infrared; upconversion imager; upconversion; organic upconversion ... See more keywords
Engineering Orthogonal Upconversion through Selective Excitation in a Single Nanoparticle
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202212037
Abstract: Orthogonal upconversion with color‐switchable emissions under different excitation conditions provides new chances to diverse frontier applications of luminescent materials. However, the previous orthogonal upconversion systems compulsorily require the precise control of spatial distributions of dopants… read more here.
Keywords: orthogonal upconversion; single nanoparticle; selective excitation; upconversion ... See more keywords
3D Upconversion Barcodes for Combinatory Wireless Neuromodulation in Behaving Animals
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Healthcare Materials"
DOI: 10.1002/adhm.202200304
Abstract: Upconversion techniques offer all‐optical wireless alternatives to modulate targeted neurons in behaving animals, but most existing upconversion‐based optogenetic devices show prefixed emission that is used to excite just one channelrhodopsin at a restricted brain region.… read more here.
Keywords: barcodes combinatory; upconversion barcodes; combinatory wireless; upconversion ... See more keywords
A "Chase and Block" Strategy for Enhanced Cancer Therapy with Hypoxia-Promoted Photodynamic Therapy and Autophagy Inhibition Based on Upconversion Nanocomposites.
Sign Up to like & getrecommendations! Published in 2023 at "Advanced healthcare materials"
DOI: 10.1002/adhm.202301087
Abstract: The combination of hypoxia-promoted photodynamic therapy (PDT) and autophagy modulation has shown strong potential in the treatment of hypoxic tumors. However, there are very few reports on hypoxia-enhanced photosensitizers with multi-band emitted upconversion nanoparticles (UCNPs)… read more here.
Keywords: upconversion; therapy; hypoxia; hypoxia promoted ... See more keywords
Expanding the Toolbox of Upconversion Nanoparticles for In Vivo Optogenetics and Neuromodulation.
Sign Up to like & getrecommendations! Published in 2019 at "Advanced materials"
DOI: 10.1002/adma.201803474
Abstract: Optogenetics is an optical technique that exploits visible light for selective neuromodulation with spatio-temporal precision. Despite enormous effort, the effective stimulation of targeted neurons, which are located in deeper structures of the nervous system, by… read more here.
Keywords: upconversion nanoparticles; visible light; toolbox upconversion; neuromodulation ... See more keywords
Engineering Porous Emitting Framework Nanoparticles with Integrated Sensitizers for Low-Power Photon Upconversion by Triplet Fusion.
Sign Up to like & getrecommendations! Published in 2019 at "Advanced materials"
DOI: 10.1002/adma.201903309
Abstract: The conversion of low-energy light into photons of higher energy based on sensitized triplet-triplet annihilation (sTTA) upconversion is emerging as the most promising wavelength-shifting methodology because it operates efficiently at excitation powers as low as… read more here.
Keywords: solid state; framework; triplet; photon upconversion ... See more keywords
Strategies for High-Performance Solid-State Triplet-Triplet-Annihilation-Based Photon Upconversion.
Sign Up to like & getrecommendations! Published in 2020 at "Advanced materials"
DOI: 10.1002/adma.201908175
Abstract: Photon upconversion via triplet-triplet annihilation (TTA) has achieved high efficiencies in solution and within polymer matrices that support molecular migration systems. It has diverse potential applications including bioimaging, optical sensors, and photovoltaics. To date, however,… read more here.
Keywords: solid state; state; annihilation; tta ... See more keywords
Application of Triplet-Triplet Annihilation Upconversion in Organic Optoelectronic Devices: Advances and Perspectives.
Sign Up to like & getrecommendations! Published in 2021 at "Advanced materials"
DOI: 10.1002/adma.202100704
Abstract: Organic semiconductor materials have been widely used in various optoelectronic devices due to their rich optical and/or electrical properties, which are highly related to their excited states. Therefore, how to manage and utilize the excited… read more here.
Keywords: optoelectronic devices; triplet; triplet triplet; triplet annihilation ... See more keywords
Triplet Fusion Upconversion for Photocuring 3D‐Printed Particle‐Reinforced Composite Networks
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Materials"
DOI: 10.1002/adma.202207673
Abstract: High energy photons (λ < 400 nm) are frequently used to initiate free radical polymerizations to form polymer networks, but are only effective for transparent objects. This phenomenon poses a major challenge to additive manufacturing… read more here.
Keywords: reinforced composite; particle reinforced; triplet fusion; composite networks ... See more keywords
Millisecond‐Timescale, High‐Efficiency Modulation of Upconversion Luminescence by Photochemically Derived Graphene
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Optical Materials"
DOI: 10.1002/adom.201901345
Abstract: The millisecond‐timescale, high‐efficiency modulation of upconversion luminescence via ultraviolet laser‐induced photochemical reduction of graphene oxide is reported. The luminescence tuning is achieved by combining a thin film of graphene oxide with lanthanide‐doped upconversion nanoparticles. The… read more here.
Keywords: upconversion luminescence; modulation upconversion; upconversion; graphene ... See more keywords
Simultaneously High Upconversion Efficiency and Large Anti‐Stokes Shift by Using Os(II) Complex Dyad as Triplet Photosensitizer
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Optical Materials"
DOI: 10.1002/adom.201902157
Abstract: To extend the triplet lifetime of photosensitizer, two new osmium complex dyads, with Os(phen)3 as triplet energy donor and 9,10‐diphenylanthracene (DPA) as energy acceptor, namely Os(phen)3‐DPA and Os(phen)3‐BDPA, are synthesized and characterized. The triplet lifetime… read more here.
Keywords: upconversion; stokes shift; phen dpa; triplet ... See more keywords