Articles with "excitation dependent" as a keyword



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Excitation‐Dependent Emission Color Tuning of 0D Cs2InBr5·H2O at High Pressure

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Published in 2021 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202104923

Abstract: Self‐trapped exciton (STE) emission of low‐dimensional metal halides has witnessed explosive developments in both display and illumination, due to its intriguing photoluminescence properties. As one typical feature, STE emission energy is commonly independent of excitation… read more here.

Keywords: emission; excitation dependent; cs2inbr5 h2o; high pressure ... See more keywords
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Triply Hiding Optical Information via Excitation-Dependent Allochroic Photoluminescence Based on Cellulose Derivates.

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Published in 2022 at "Small"

DOI: 10.1002/smll.202205697

Abstract: Optical encryption technologies are widely used in information security, whereas the technology with one single optical secret key can be easily cracked. Here, a triple encryption is reported, which hides patterned information in excitation-dependent allochroic… read more here.

Keywords: information; excitation; structure; dependent allochroic ... See more keywords
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Tunable excitation-dependent-fluorescence of carbon dots: Fingerprint curves for super anti-counterfeiting

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Published in 2020 at "Dyes and Pigments"

DOI: 10.1016/j.dyepig.2019.108106

Abstract: Abstract A novel concept of anti-counterfeiting is proposed, based on the special properties of excitation-dependent-fluorescence (EDF) and emission-dependent-excitation (EDE) of carbon dots (CDs) in polymer matrix. EDF and EDE behaviors can be controlled by adjusting… read more here.

Keywords: excitation dependent; dependent fluorescence; carbon dots; anti counterfeiting ... See more keywords
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Excitation dependent light emission and enhanced photocatalytic response of WS2/C-dot hybrid nanoscale systems

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Published in 2019 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2018.10.019

Abstract: Abstract A facile, hydrothermal route has been employed to synthesize two dimensional (2D) WS2 nanosystems, followed by decoration with C-dots derived from the orange juice extract as the source of carbon. Imaging through transmission electron… read more here.

Keywords: ws2 dot; dot hybrid; excitation dependent;
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Relation between excitation dependent luminescence and particle size distributions for the selenium nanoparticles in κ-carrageenan shell

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Published in 2019 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2019.03.056

Abstract: Abstract In this paper synthesis and optical properties of selenium nanoparticles in κ-carrageenan shell were study. It was found excitation-dependent luminescence of the κ-carrageenan-Se nanoparticles. This luminescence is caused by quantum confinement effect. The nanoparticle… read more here.

Keywords: excitation dependent; carrageenan shell; nanoparticles carrageenan; dependent luminescence ... See more keywords
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Excitation-dependent photoluminescent properties in geopolymers with addition of Eu2+ Dy3+ co-doped strontium silicoaluminate

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Published in 2019 at "Materials Letters"

DOI: 10.1016/j.matlet.2019.05.017

Abstract: Abstract Optical properties of blast furnace slag based geopolymers synthesized at 60 °C with additions of 4, 12 and 20% of Sr2.9Eu0.03Dy0.07Al4SiO11 (SEDASO) are studied. In the photoluminescence spectra, the geopolymers exhibit two broad emission bands:… read more here.

Keywords: dependent photoluminescent; photoluminescent properties; excitation dependent; addition eu2 ... See more keywords
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Smart Luminescent Coordination Polymers toward Multimode Logic Gates: Time-Resolved, Tribochromic and Excitation-Dependent Fluorescence/Phosphorescence Emission.

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Published in 2017 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.7b00594

Abstract: In this work, we propose that lanthanide cations (such as Eu3+ and Tb3+)-doped long-afterglow coordination polymers (CPs) can be an effective tool for designing multimode optical logic gates based on their tunable fluorescence/phosphorescence transformation and… read more here.

Keywords: excitation dependent; coordination polymers; logic gates; fluorescence phosphorescence ... See more keywords
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An excitation-dependent ratiometric dual-emission strategy for the large-scale enhancement of fluorescent tint control.

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Published in 2020 at "Nanoscale"

DOI: 10.1039/d0nr01882a

Abstract: An alternative and convenient strategy for preparing carbon dots (CDs) with multicolor and dual-emission fluorescence is described. For this dual-emission characteristic, the short-wavelength emission reveals unique excitation-dependent fluorescence behavior, during which the long-wavelength emission remains… read more here.

Keywords: excitation dependent; dependent ratiometric; ratiometric dual; dual emission ... See more keywords