Unusual red luminescence and super thermal stability of a new …
Resilient and consistent narrow-band red emitters are recognized as crucial facilitators for wide-color-gamut liquid crystal display (LCD) backlights. Herein, an emerging red phosphor, Ca3(BO3)2:Eu2+ (CBO:Eu2+), with narrow-band emission (full width at half maximum = 50 nm) and super thermal stability, is re
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 applications in various fields, spanning from radiation dosimetry, optical ...
Thermo-luminescence dosimetry • Energy-level diagram of the TL process: (A) ionization by radiation, and trapping of electrons and holes; (B) heating to release electrons, allowing luminescence production Thermo-luminescence dosimetry • At the temperature
Electrospun fibers based on polyvinyl pyrrolidone/Eu-polyethylene glycol as phase change luminescence …
1. Introduction Thermal energy storage has gained extensive interest because of the impending energy shortage and increasing costs of energy resources [1].Among the various methods of storing thermal energy, using phase-change materials (PCMs) to store the ...
This chapter provides basic physical knowledge of electron excitation and light emission. Here you will also find classifications of luminescent processes, “laws of luminescence,” the influence of the …
Sustainability | Free Full-Text | A Comprehensive Review of Thermal Energy Storage …
Thermal energy storage (TES) is a technology that stocks thermal energy by heating or cooling a storage medium so that the stored energy can be used at a later time for heating and cooling applications and power generation. TES systems are used particularly in buildings and in industrial processes. This paper is focused on TES technologies that …
A novel design for conversion and storage of solar thermal energy into electrical energy …
Yan Wang Resource Chemistry and Energy Materials Research Center, State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, University of Chinese Academy of …
Manipulating energy transfer to achieve zero-thermal quenching luminescence …
Diverse strategies were proposed to improve thermal quenching resistance of w-LED phosphors. Herein, a Tm 3+ −Dy 3+ energy transfer (ET) method is manipulated to simultaneously achieve white-emitting and zero-thermal quenching luminescence in …
In direct support of the E3 Initiative, GEB Initiative and Energy Storage Grand Challenge (ESGC), the Building Technologies Office (BTO) is focused on thermal storage research, development, demonstration, and deployment (RDD&D) to accelerate the commercialization and utilization of next-generation energy storage technologies for building applications.
Advances in thermal energy storage: Fundamentals and …
Thermal energy storage (TES) systems store heat or cold for later use and are classified into sensible heat storage, latent heat storage, and thermochemical …
Thermoluminescence is a form of luminescence that is exhibited by certain crystalline materials, such as some minerals, when previously absorbed energy from electromagnetic radiation or other ionizing radiation is re-emitted as light upon heating of the material.
In vivo ultrasound-induced luminescence molecular imaging
a, Ultrasound-induced luminescence spectra of TD NPs excited with various ultrasound frequencies (30, 40, 50 and 100 kHz, respectively).b, Ultrasound-induced luminescence images (left) and ...
Optically stimulated luminescence (OSL) materials enable energy storage and then energy conversion to light upon photostimulation, with applications spanning from radiation …
Optically stimulated luminescence (OSL) materials enable energy storage and then energy conversion to light upon photostimulation, with applications spanning from radiation dosimetry, optical data storage and security, environmental monitoring, biomedicine ...
Hot water thermal energy storage (HWTES): This established technology, which is widely used on a large scale for seasonal storage of solar thermal heat, stores hot water (a commonly used storage material because of its high specific heat) inside a concrete structure, which is wholly or partially buried in the ground, to increase the …
Temperature dependent persistent luminescence: Evaluating the …
Persistent luminescent materials or long persistent phosphors (LPPs) are a group of luminescent materials possessing extraordinary energy storage ability and long …
Recent advances in solid-state LED phosphors with thermally stable luminescence…
As is known to all, to fabricate the commercialized WLED devices, several key parameters should be optimized, including LED chips, packaging technologies, phosphor conversion components, and so on. As one of indispensable components of pc-WLEDs, 12 the urgent challenges for WLED phosphors related with luminescence …
Efficient solar-thermal conversion and thermal energy storage towards personal thermal …
In this work, an efficient solar-thermal conversion and thermal energy storage strategy is proposed. A novel energy storage gel composed of octadecanol (OD), styrene ethylene butylene styrene (SEBS) and carbon nanotube (CNT) is fabricated by screen-printing.
Real‐Time Thermal Imaging based on the Simultaneous Rise and Decay Luminescence …
So far, the dual-frame lifetime method was employed to monitor the luminescence decay to get a single pulse thermal image. [] Upon excitation at 355 nm with 10 ns pulse, the authors recorded two frames of the Bi 3+ -ScVO 4 thermographic phosphor at 610 nm emission using an interline CCD camera, achieving a maximum S r of 6% K −1 …
A novel design for conversion and storage of solar thermal …
The thermoelectric (TE) generator can absorb ST power and transform it into electrical energy, making it a highly viable technology to achieve photo-thermal …
Efficient solar-thermal conversion and thermal energy storage towards personal thermal …
An efficient solar-thermal conversion and thermal energy storage strategy is proposed. • A novel gel made of octadecanol, styrene-ethylene-butadiene-styrene and CNT is fabricated by massive screen printing. • The energy storage gel has a remarkable solar
Light storage perovskites: Synthesis, mechanisms, and …
With the aid of thermal energy, the trapped charge carrier is then transferred to the emitting center leading to the persistent luminescence phenomenon. In some cases, the emitting center is actually a self-trapped exciton that will either exhibit its own luminescence or transfer energy to a different emitting center such as lanthanide …
Thermal-responsive dynamic color-tunable persistent luminescence is revealed in a singly-phase ZnGa 2 O 4:Cr 3+,Mn 2+ phosphor. Color of the persistent luminescence varies from green (∼503 nm) to deep red (∼709 nm) in 315 ∼ 650 K. • A dual-traps electronic ...
Enabling Highly Efficient Neodymium Luminescence for Near …
Normally, an electron in the ground state energy level is excited to somewhere in the excited energy level before relaxing to the lowest energy level when given a specific excitation wavelength. As the temperature increases, the electrons in the excited state reach the intersection of the ground and excited state curves and then …
Charge trapping for controllable persistent luminescence in organics
Tunable afterglow emission in the visible region is enabled by trap-induced persistent luminescence in organic host–guest materials, with controllable trap depths.
12,570 Thermal Energy Stock Photos, High-Res Pictures, and Images
Browse 12,570 authentic thermal energy stock photos, high-res images, and pictures, or explore additional thermal energy storage or solar thermal energy stock images to find the right photo at the right size and resolution for your project.
Color-tunable persistent luminescence hybrid materials via radiative energy …
Colorful, persistent luminescence materials are in great demand in many technological fields but their synthesis remains a challenge. Herein, a unique strategy is reported, that is, a full spectrum adjustment of the persistent luminescence was achieved by using an organic polymer fluorescent dye (PFD) as an
High-Efficiency Photo-Thermo-Electric System with Waste Heat …
In this system, one carbon foam (CF) doped with PPy and PEG is used as a layer for photothermal conversion and energy storage, and the other CF─where one …
