Articles with "luminescence" as a keyword



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pH Switchable Nanoplatform for In Vivo Persistent Luminescence Imaging and Precise Photothermal Therapy of Bacterial Infection

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Published in 2020 at "Advanced Functional Materials"

DOI: 10.1002/adfm.201909042

Abstract: Photothermal therapy (PTT) is one of the most promising approaches to combat multidrug‐resistant bacteria with less potential to induce resistance and systemic toxicity. However, uncontrollable distribution of photothermal agents leads to lethal temperatures for normal… read more here.

Keywords: bacterial infection; luminescence; gcs; persistent luminescence ... See more keywords
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Quantitative Luminescence Photography of a Swellable Hydrogel Dressing with a Traffic‐Light Response to Oxygen

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Published in 2022 at "Advanced Healthcare Materials"

DOI: 10.1002/adhm.202101605

Abstract: Sensor‐integrated wound dressings are emerging tools applicable to a wide variety of medical applications from emergency triage to at‐home monitoring. Uncomfortable, unnecessary wound dressing changes may be avoided by providing quantitative insight into tissue characteristics… read more here.

Keywords: swellable hydrogel; hydrogel; hydrogel dressing; luminescence ... See more keywords
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Dynamic Circularly Polarized Luminescence with Tunable Handedness and Intensity Enabled by Achiral Dichroic Dyes in Cholesteric Liquid Crystal Medium

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Published in 2022 at "Advanced Materials"

DOI: 10.1002/adma.202202309

Abstract: Cholesteric liquid crystals (CLCs) are chiral supramolecular systems that self‐assemble into a highly regular helical arrangement in a liquid crystal (LC) medium. Such an arrangement is highly beneficial for the chiral enlargement effect on circularly… read more here.

Keywords: dichroic dyes; medium; luminescence; handedness intensity ... See more keywords
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Rational Design of All‐Inorganic Assemblies with Bright Circularly Polarized Luminescence

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Published in 2022 at "Advanced Materials"

DOI: 10.1002/adma.202209539

Abstract: Materials with exceptional circularly polarized luminescence (CPL) are important in multi‐field applications such as 3D display, anti‐counterfeiting, sensing, spin electronics, etc. Although CPL properties have been widely investigated ranging from the traditional chiral organic molecules… read more here.

Keywords: design inorganic; circularly polarized; luminescence; inorganic assemblies ... See more keywords
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Mechanically Responsive Circularly Polarized Luminescence from Cellulose Nanocrystal-based Shape-Memory Polymers.

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Published in 2023 at "Advanced materials"

DOI: 10.1002/adma.202301060

Abstract: Stimulus-responsive materials that display circularly polarized luminescence (CPL) have attracted great attention for application in chiral sensors and smart displays. However, due to difficulties in the regulation of chiral structures, fine control of CPL remains… read more here.

Keywords: cpl; shape memory; luminescence; cellulose nanocrystal ... See more keywords
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High Quality Hybrid Perovskite Semiconductor Thin Films with Remarkably Enhanced Luminescence and Defect Suppression via Quaternary Alkyl Ammonium Salt Based Treatment

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Published in 2017 at "Advanced Materials Interfaces"

DOI: 10.1002/admi.201700562

Abstract: Significant enhancement in the luminescence and superior photophysical properties of CH3NH3PbBr3 thin films prepared via simple single step spin coating process involving a novel additive mediated solvent extraction step is reported. This process results in… read more here.

Keywords: quality; thin films; quality hybrid; high quality ... See more keywords
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Phase‐Separation Engineering of Glass for Drastic Enhancement of Upconversion Luminescence

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Published in 2019 at "Advanced Optical Materials"

DOI: 10.1002/adom.201801572

Abstract: Optical gain materials are of fundamental importance for various applications, such as lasers, lighting, optical communication, microscopy, and spectroscopy. However, the requirements for high luminescence efficiency and excellent thermodynamic stability of materials are always contradictory.… read more here.

Keywords: glass; phase separation; luminescence; luminescence efficiency ... See more keywords
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Millisecond‐Timescale, High‐Efficiency Modulation of Upconversion Luminescence by Photochemically Derived Graphene

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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
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Photo‐Electrochemical Device Enabling Luminescence Switching of LaPO4:Ce,Tb Nanoparticle Layers

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Published in 2020 at "Advanced Optical Materials"

DOI: 10.1002/adom.202001891

Abstract: The luminescence properties of LaPO4:Ce,Tb nanoparticles are known to depend on the oxidation state of the cerium ions. However, their assembly into thin films exhibiting reasonable fast Ce3+/4+ electrochemistry is not trivial. Herein, the electrochemical… read more here.

Keywords: switching lapo4; ce3; luminescence switching; luminescence ... See more keywords
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Light‐Responsive Circularly Polarized Luminescence Polymers with INHIBIT Logic Function

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Published in 2021 at "Advanced Optical Materials"

DOI: 10.1002/adom.202100135

Abstract: Dynamically tuning the emission of circularly polarized luminescence (CPL) materials through external stimuli is fascinating because of their fundamental and application interests. In this work, light‐responsive and luminescence‐tunable CPL‐active materials are synthesized by mixing achiral… read more here.

Keywords: emission; light responsive; inhibit logic; luminescence ... See more keywords
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Embellishment of Upconversion Nanoparticles with Ultrasmall Perovskite Quantum Dots for Full‐Color Tunable, Dual‐Modal Luminescence Anticounterfeiting

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Published in 2021 at "Advanced Optical Materials"

DOI: 10.1002/adom.202100814

Abstract: Advanced fluorescent anticounterfeiting technology has attracted widespread attention and encourages people to develop reliable luminescent materials with multiple colors and tunable luminescence. Here, novel nanocomposites composed of perovskite quantum dots (PeQDs) and upconversion nanoparticles (UCNPs)… read more here.

Keywords: upconversion nanoparticles; embellishment upconversion; luminescence; perovskite quantum ... See more keywords