Persistent luminescence is an optical process by which luminescent materials emit light for minutes or even hours after excitation ceases. Its mystical properties, first documented in the early
Considering the enhanced energy storage performance in filled TB Sr 2 NaNb 5 O 15 niobates achieved through component regulation to induce relaxation, we propose that simultaneous improvements in energy storage performance and luminescent properties can be achieved by co-doping in both A and B sites of TB structure. Moreover, the relaxation
Energy transfer from luminescent materials to dye molecules in DSSCs primarily occurs through Förster resonance energy transfer (FRET). FRET is a non-radiative process where energy is transferred from a donor
2 Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, 999078, Macau, China. 3 Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, 510642, Guangzhou, China. tleibf@scau .cn.
DOI: 10.1016/j.materresbull.2024.112801 Corpus ID: 268651518; Optical anti-counterfeiting and information storage based on Rare-earth-doped luminescent materials @article{Zhang2024OpticalAA, title={Optical anti-counterfeiting and information storage based on Rare-earth-doped luminescent materials}, author={Chengyun Zhang and Qingxin Yin and
Introduction Persistent luminescence (PersL), also called "afterglow", has been known for a long time. 1–3 It is a phenomenon of materials showing long-lasting luminescence, typically from minutes to hours after the
The present work overviews latest advances in energy transfer for generating and modulating CPL, involving small organic molecules, polymers, metal complexes, liquid
Deep-trap persistent luminescent (PersL) materials with enriched traps, which allow signals to quickly write-in and read-out with low-energy consumption, are one of the most promising materials for information
Persistent luminescent materials exhibit delayed and long-lasting luminescence due to the temporary storage of optical energy in engineered structural defects. Standard characterization methods do not provide a universal comparison of phosphor performance, hindering the evaluation of the efficiency of the various processes involved in afterglow.
Rare-earth-doped materials with abundant electronic energy levels are capable of emitting bright multicolor radiation and are therefore considered irreplaceable candidates for optical anti-counterfeiting and optical information storage. This review summarizes recent theoretical and experimental advances of optical anti-counterfeiting and optical information storage based on
The 4th International Conference on Energy Material and Energy Technology (EMET 2024) will be held in Wyndham Garden Haikou Meilan Hotel, Haikou, China during November 18-20, 2024. Luminescent, Display, and Lighting Materials and Devices Session Chair: Prof. Chunmiao Han, Heilongjiang University, Energy Storage Materials Sights of
This review will promote a clear understanding of luminescence modulation in rare-earth-doped materials and contribute to the design of high-security multidimensional
This special issue belongs to the section "Energy Materials". (20 December 2024) | Viewed by 12710 Share This Special Issue. Special Issue Editors Multi-site
We summarize recent developments in mechanochemical synthesized luminescent materials and their use in biomedicine (such as fighting diseases, controlled
completed her Ph.D. in Materials Engineering at Politecnico di Milano in 2022 under the super-vision of Prof. Gianmarco Griffini, with a stint as a visiting student at the University of Melbourne under A/Prof. Wallace Wong. Her research focuses on polymer-based materials and devices for light harvesting, man-agement, conversion, and energy storage.
Example configuration of a PV system employing free-space luminescent solar concentrators. Image: University of Twente, Solar Energy Materials and Solar Cells, Common License CC BY 4.0
2. CD-spatially confined guest molecular luminescent materials 2.1 CD-confined fluorescent materials Benefitting from the hydrophobic cavity, various fluorescent chromophores with appropriate molecular sizes can be encapsulated in the cavity of CDs to facilitate non-covalent assembly via host–guest interactions. When functional guest chromophores are
These materials show dual-emission properties - bright upconversion from near-infrared (NIR at 975 nm) to ultraviolet (UV at 347 nm) and long-lasting PersL in the visible light range. The
This study successfully fabricated filled tungsten bronze Sr 2-x Sm x Ag 0.2 Na 0.8 Nb 5-x Ti x O 15 ceramics, demonstrating exceptional energy storage and luminescent
Said A. I. et al. Bifunctional luminescent conjugated microporous polymers containing BODIPY and tetraphenylethene units for highly efficient energy storage and enhanced sensing of Cu2+ ions // Polymer. 2024. Vol. 300. p. 126988.
On the other hand, PersL materials with deep traps capable of storing incident photon energy have been investigated for optical information-storage applications 43,44,46,47,48,49,50,51. The
This research addresses the need for enhanced thermal management in building-integrated photovoltaic systems, specifically focusing on semi-transparent PV panels based on luminescent solar concentrator (LSC) technology. In pursuit of optimal thermal regulation, the cooling effect of a paraffin PCM was investigated via finite element simulations
Persistent luminescent materials exhibit delayed and long-lasting luminescence due to the temporary storage of optical energy in engineered structural defects. Standard characterization methods do not
This review provides a comprehensive overview of the progress in light–material interactions (LMIs), focusing on lasers and flash lights for energy conversion and storage applications. We discuss intricate LMI parameters such as light sources, interaction time, and fluence to elucidate their importance in material processing. In addition, this study covers
Circularly polarized luminescence (CPL) materials have been widely used in the fields of bioimaging, optoelectronic devices, and optical communications. The supramolecular interaction, involving harnessing non
The development of luminescent materials via mechanochemistry embodies a compelling yet intricate frontier within materials science. Herein, we delineate a methodology for the synthesis
Supramolecular luminescent materials (SLMs) have aroused great interests in recent years due to their simple synthesis, unique luminescent properties, and dynamically reversible and versatile function features [1].Utilizing supramolecular strategies into different photophysical processes, such as fluorescence [2], thermally activated delayed fluorescence
The design of luminescent materials for various applications such as sensing, imaging, light-emitting diodes and anti-counterfeiting; Inorganics 2024, 12(12), 306; which approximates a value of 4.8 eV.
The luminescent nanomaterials are further classified into three types: downshifting luminescent materials, upconverting luminescent materials, and quantum dot materials, based on their luminescence emission mechanisms [50]. When, a high energy photon is absorbed by materials and converted into a low energy photon is called downshift/down
This Special Issue covers various luminescent materials that are currently a focus of research, such as carbon dots, perovskites, metal complexes, lanthanide phosphors, and luminescent hybrid materials, exploring their photophysical properties and achieving promising
In addition to favorable electrical properties, FE materials with low phonon energy have lower nonradiative relaxation and can provide a good luminescent host for rare earth ions. 28 Then the rare earth ions-doped FE ceramics exhibit inherent FE properties together with unique photoluminescence properties showing a bright future in new optoelectronic coupling devices,
This Special Issue covers various luminescent materials that are currently a focus of research, such as carbon dots, perovskites, metal complexes, lanthanide phosphors, and luminescent hybrid materials, exploring their photophysical properties and achieving promising applications in chemical sensing and photocatalysis.
The luminescent nanomaterials are further classified into three types: downshifting luminescent materials, upconverting luminescent materials, and quantum dot materials, based on their luminescence emission mechanisms .
In addition, rare-earth-doped luminescent materials are promising for optical data storage [23, , , ]. By doping various rare-earth ions with up-conversion and downshifting luminescent properties in the same matrix, color-tunable multi-mode emission at different excitation wavelengths can be achieved [, , , ].
Optical storage of information based on rare earth luminescence is also available in many ways, not only for writing and reading functions, but also for erasing and rewriting, with the advantage of reuse.
Luminescent hybrid materials show superior photophysical properties by integrating the properties of different structural units. Ito’s group synthesized inorganic–organic hybrid phosphors by means of the hybridization of Eu 3+ -containing polyoxometalate anions with bolaamphiphile surfactants.
In recent years, research on rare earth luminescent anti-counterfeiting and optical information storage has made great progress. Authenticity can be determined through the static or dynamic changes in color of luminescent patterns under light excitation, or under the stimulation of other factors.
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