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Applied Sciences | Free Full-Text | Luminescent Materials: …

Brik shortly defined the phenomenon of luminescence as a method of conversion of excitation energy (which can be supplied to a luminescent object in various …

Optically stimulated luminescence dosimeters: principles, …

This review paper discusses the basics of the optically stimulated luminescence (OSL) phenomenon, phosphors for OSL, functional design of OSL …

Two are better than one: a design principle for ultralong persistent luminescence …

energy from S 1 to T 1 state, producing an energy gap between S 1 and T 1 that is smaller than 0.1 eV facilitating intersystem crossing. Furthermore, the bromide anion endows the transition process with a spin-orbit coupling constant as large as 327.39 cm-1 1

Physical principle and advances in plasmon-enhanced upconversion luminescence …

The principle of up-conversion luminescence is that the energy is transferred by cross relaxation in the form of non-radiative coupling of ions. According to the different modes of transmission, ETU is divided into three main types: serial energy transfer (SET), cross relaxation (CR) and cooperative upconversion (CU), and its upconversion …

Solar-absorbing energy storage materials demonstrating superior solar-thermal conversion and solar-persistent luminescence …

Energy conversion, storage and utilization of solar-absorbing energy storage materials Biological non-toxicity is a significant guarantee for exploiting the application of SESM in buildings. Therefore, the biological non-toxicity of the SESM is investigated by culturing the human breast cancer cells (MCF-7 cells) on SESM.

Thermally Stimulated Luminescence and First-Principle Study of …

The thermal luminescence quenching of the ⁵D4 → ⁷FJ is caused by thermally activated crossover through the 5d energy level to the ground state.The band gap energy of GdHO (5.39 eV) was ...

Sustainability applications of rare earths from metallurgy, magnetism, catalysis, luminescence to future electrochemical pseudocapacitance energy ...

Rare Earths (REs) are referred to as ''industrial vitamins'' and play an indispensable role in a variety of domains. This article reviews the applications of REs in traditional metallurgy, biomedicine, magnetism, luminescence, catalysis, and energy storage, where it is surprising to discover the infinite poten

Bi-activated MgGa2O4 phosphors with rich defect energy levels: Spectral property and optical storage …

The introduction of Bi 3+ acts as a luminescence center, and regulates the trap energy levels within the matrix, which is important for achieving optical information storage. The time-dependent TL curves reveal multiple continuously distributed trap levels, where deep traps are critical for information storage.

Two Are Better than One: A Design Principle for Ultralong Persistent Luminescence …

methods to achieve persistent luminescence is through the use of traps (Fig. 1a), which allow for energy storage and its subsequent slow release via thermal disturbances. Inspired by the role of inorganic trap species, we hypothesized a purely organic system

Upconversion luminescence nanomaterials: A versatile platform …

Upconversion luminescence is an optical process that emits high-energy photons by absorbing two or more low-energy photons, which is caused by anti-Stokes luminescence, has attracted significant attention in recent years.

(PDF) Optically stimulated luminescence dosimeters: principles, …

Oarai Research Center, Chiyoda Technol Corporation Oarai-machi, Ibaraki 311-1313, Japan. E-mail: [email protected]. Received September 6, 2022; revised September 7, 2022; accepted ...

Active luminous road markings: A comprehensive review of …

The luminescence principle is shown in Fig. 3. The molecules in the ground state absorb photon energy and transition to the electron excited state, before …

Light storage perovskites: Synthesis, mechanisms, and …

These solids store the energy in crystalline defects and release it as light with thermal aid. This chapter discusses persistent luminescence perovskites, their …

Optically stimulated luminescence dosimeters: principles, …

Abstract. This review paper discusses the basics of the optically stimulated luminescence (OSL) phenomenon, phosphors for OSL, functional design of OSL phosphors, and application areas of the OSL phenomenon, such as radiation dose monitoring for individual and environmental, computed radiography for medical and dental …

Adding memory to pressure-sensitive phosphors

This memory effect not only is expected to lead to new pressure sensing applications but also offers an approach to study charge carrier transitions in energy storage phosphors.

Bi-activated MgGa2O4 phosphors with rich defect energy levels: Spectral property and optical storage …

DOI: 10.1016/j.ceramint.2022.03.205 Corpus ID: 247752796 Bi-activated MgGa2O4 phosphors with rich defect energy levels: Spectral property and optical storage applications Persistent luminescent materials can continue to emit light after stopping excitation, and ...

Optically Stimulated Luminescence Phosphors: …

Optically stimulated luminescence (OSL) materials, enabling energy storage by capturing of charge carriers and then the energy conversion to light via photostimulation, can find many advanced …

Encapsulation engineering of porous crystalline frameworks for delayed luminescence and circularly polarized luminescence …

Thus, the combination of delayed luminescence and circularly polarized luminescence is attracting increasing attention. The encapsulation of guest emitters in various host matrices to form host–guest systems has been demonstrated to be an appealing strategy to further enhance and/or modulate their delayed luminescence and …

Temperature dependent persistent luminescence: Evaluating the …

In order to investigate the temperature dependence of the persistent luminescence of these phosphors, a dedicated TL experiment was conducted as shown in Fig. 2 (details in Materials and methods ...

Luminescence | Definition, Examples, Types, & Facts | Britannica

luminescence, emission of light by certain materials when they are relatively cool. It is in contrast to light emitted from incandescent bodies, such as burning wood or coal, molten iron, and wire heated by an electric current.Luminescence may be seen in neon and fluorescent lamps; television, radar, and X-ray fluoroscope screens; organic substances …

Special Issue: Rare earth luminescent materials | Light: Science …

example, in lighting 6,7, displays 8,9, sensing 10, optical information storage 11, energy conservation 12, and ... and broad luminescence spectra ranging from the visible (Vis) to the NIR region ...

Energy density capability and upconversion luminescence in …

However, the multifunctional materials coupled with energy storage and luminescence properties are few reported in single-phase material. Motivated by this, the multi-function lead-free relaxor ferroelectric thin films with Er 3+ /Yb 3+ -codoping 0.7Bi 0 · 5 Na 0 · 5 TiO 3 -0.3Sr 0 · 7 Bi 0 · 2 TiO 3 (BNT-SBT) are fabricated utilizing chemical …

Recent developments of optically stimulated luminescence materials and techniques …

Luminescence concepts in insulators and crystalline solids are best understood by an energy band model of the valence band (VB) and the conduction band (CB) separated by a forbidden band (FB). Without any thermal or optical excitation, the uppermost band of occupied electron states (VB) is completely full, and the states are …

Two are better than one: a design principle for ultralong persistent luminescence …

n be possible to merge the diverse benefits of organic systems with the performance of inorganics. One of the most successful methods to achieve persistent luminescence is through the use of traps. Fig. 1a), which allow for energy storage and its subsequent slow release via thermal disturbances. Inspired by the role of inorganic trap species ...

Active luminous road markings: A comprehensive review of …

Photoluminescence refers to a phenomenon whereby a substance absorbs energy under high-energy radiation (such as ultraviolet rays, β-rays, etc.) to achieve luminescence [12], [13]. Depending on the luminescence duration and principles, photoluminescence is divided into fluorescence and phosphorescence.

Optically Stimulated Luminescence Phosphors: Principles, …

Optically stimulated luminescence (OSL) materials, enabling energy storage by capturing of charge carriers and then the energy conversion to light via …

Charge-transfer processes in metal complexes enable luminescence and memory functions …

Metal–ligand complexes undergo diverse charge-transfer processes when stimulated by light or electric fields. This Perspective describes how these processes can be exploited in photosensitizers ...

Charge trapping for controllable persistent luminescence in …

Here we report trap-induced persistent luminescence (TIP) in organic host–guest materials, with controllable trap depths from 0.11 to 0.56 eV and tunable afterglow emission at wavelengths from ...

Light‐Assisted Energy Storage Devices: Principles, Performance, …

Considering rapid development and emerging problems for photo-assisted energy storage devices, this review starts with the fundamentals of batteries and supercapacitors and …

Luminescence and energy-storage properties of Pr3+-doped …

DOI: 10.1016/j.jlumin.2023.119814 Corpus ID: 257612855 Luminescence and energy-storage properties of Pr3+-doped YAlO3 crystals @article{Gieszczyk2023LuminescenceAE, title={Luminescence and energy-storage properties of Pr3+-doped YAlO3 crystals}, author={Wojciech Gieszczyk and Anna Mrozik …

Visible to Near‐Infrared Persistent Luminescence and Mechanoluminescence from Pr3+‐Doped LiGa5O8 for Energy Storage …

Here, a novel multifunctional phosphor of Li1−xGa5O8:xPr3+ is reported. The crystal structure, mechanoluminescence (ML), persistent luminescence (PersL), photoluminescence (PL) and photoluminescence excitation (PLE) are systematically studied. LiGa5O8 emits blue PersL peaked at 437 nm after irradiation by a 254 nm lamp …