energy storage and luminescence principle
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 …
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.
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 …
First-Principles Calculation of Luminescent Materials
For complex systems, we can obtain electronic energy level through solving the Schrodinger equation based on the first-principles theory and various energy-band calculation theories. For example, transition-metal salt compounds—such as tungstates, molybdates, vanadates, zirconate, titanate, niobate, tantalate, chromate, …
Up-conversion luminescence, temperature sensitive and energy storage …
Up-conversion luminescence, temperature sensitive and energy storage performance of lead-free transparent Yb 3+ /Er 3+ co-doped Ba 2 NaNb 5 O 15 glass-ceramics Author links open overlay panel Feng Luo, Junhao Xing, Yaoyi Qin, Yang Zhong, Fei Shang, Guohua Chen
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 …
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
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 ...
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 …
Photostimulated luminescence
Photostimulated luminescence (PSL) is the release of stored energy within a phosphor by stimulation with visible light, to produce a luminescent signal. X-rays may induce such an energy storage. A plate based on this mechanism is called a photostimulable phosphor (PSP) plate (or imaging plate ) and is one type of X-ray detector used in projectional …
Luminescence Dating: Applications in Earth Sciences and …
Over the last 60 years, luminescence dating has developed into a robust chronometer for applications in earth sciences and archaeology. The technique is particularly useful for dating materials ranging in age from a few decades to around 100,000–150,000 years. In this chapter, following a brief outline of the historical development of the dating …
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 …
Fabrication and characterization of dual-functional ultrafine composite fibers with phase-change energy storage and luminescence properties …
In this research, dual-functional ultrafine composite fibers with phase-change energy storage and luminescence properties were successfully prepared using a parallel electrospinning technique.
High Optical Energy Storage and Two-Photon Luminescence from Solution-Processed Perovskite-Polystyrene Composite Microresonators …
Optical green emitting microresonators with high values of nonlinearity are desired for high optical up-conversion energy storage and lasing applications. Here we report on the synthesis of benzylammonium lead iodide (BALI) perovskite microcrystals made via antisolvent diffusion method. The use of polystyrene (PS) matrix helps the …
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 …
AAPM TG 191: Clinical use of luminescent dosimeters: TLDs and …
Luminescence detectors are created by adding impurities to these crystals, thereby introducing energy levels within the band gap in the vicinity of the impurities. During exposure to ionizing radiation [Fig. 1 (a)], ionizations created within the detector material promote a number of electrons to the conduction band, leaving behind …
Vacuum-Referred Binding Energies of Bismuth and Lanthanide …
N2 - Developing a feasible design principle for solid-state materials for persistent luminescence and storage phosphors with high charge carrier storage capacity remains a crucial challenge. Here we report a methodology for such rational design via vacuum referred binding energy (VRBE) diagram aided band structure engineering and crystal …
Observation of energy transfer from Eu2+ to Eu3+ and tunable luminescence …
Due to low phonon energy, high chemical stability, and poor water solubility, fluorides have been considered as the best one of host materials to exploit various luminescence materials [10]. In this work, Eu 2+ and Eu 3+ codoped YF 3 :Eu were prepared with a hydrothermal method in the existence of citric acid, and an energy …
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