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Optical storage and encryption via efficient reversible luminescence ...
Good anti-fatigue properties of luminescence modulation are crucial for optical storage media. Hence, the luminescence cycle measurements were carried out by alternating between 360 nm laser irradiation for 15 s and thermal treatment at 400 °C for 2 h (Fig. 1 h). The emission intensity at 487 nm of the re-heated Cu-B12 glass has little …
Aprende másEnergy density capability and upconversion luminescence in Er
The energy storage-luminescence multifunctional ecofriendly relaxor ferroelectric thin films of Er 3+ /Yb 3+-codoping BNT-SBT are fabricated using chemical …
Aprende másX-Ray Storage Luminescence of BaFCl:Eu2+ Single Crystals
Abstract. Temperature behaviors of X-ray luminescence (XL), photoluminescence (PL), photostimulated luminescence, and thermoluminescence (TL) were studied in BaFCl:Eu 2+ single crystals from room temperature to liquid nitrogen temperature. Six emissions at 275, 315, 365, 385, 435, and 500 nm were observed in the XL spectra and are attributed to ...
Aprende másLuminescence, Photocatalytic, Electrocatalytic, and Energy …
Among all energy storage devices, supercapacitor has been established as a futuristic approach along with high energy density and fast charging and discharging features. ZnO also marked itself in this most innovative and fastest growing field of research with significant prospects. Many innovative
Aprende másIonizing radiation induced emission: Scintillation and storage-type luminescence …
1. Introduction. In solid state ionizing radiation detectors, mainly two types of luminescent materials, scintillators and dosimeter materials, have been investigated for a long time [1], [2]. The former one transduces the absorbed energy of high energy ionizing radiation (keV–GeV) to thousands of UV-visible photons immediately (scintillation ...
Aprende másMultiple Anti-Counterfeiting and Optical Storage of
Particularly, the feature of optically stimulated luminescence with a wide range of energy photon stimulation is highly expected for X-ray charged storage phosphor based computer tomography or ...
Aprende másUpconverted luminescence from lanthanide-doped ferroelectrics for optical storage …
The existence of the energy transfer process is verified by exploiting the luminescence decay dynamics for the NBN:Er sample before and after 405 nm light irradiation of 240 s. As presented in Fig. 3 b, the average decay lifetime of 4 S 3/2 → 4 I 15/2 of Er 3+ ion decreases from 201 μs to 179 μs under the irradiation of 405 nm light.
Aprende másLuminescence and energy storage characteristics of coke
A facile green synthesis for carbon nanoparticle production using Cinnamomum camphora (Camphor) is presented. Camphor upon carbonization and chemical oxidation leads to the formation of nano ...
Aprende másNanocrystalline Engineering Induced High Energy Storage …
Electrostatic capacitors, though presenting faster rate capability and higher power density, are hindered in applications because of their low energy density. Accordingly, many efforts in electrostatic capacitors, for electronics and electrical power systems, have mainly concentrated on the development of dielectric materials with high …
Aprende másLight storage perovskites: Synthesis, mechanisms, and …
Abstract. The great versatility of perovskite materials makes them good candidates to be applied as light storage materials, especially those with persistent luminescence. These solids store the energy in crystalline defects and release it as light with thermal aid. This chapter discusses persistent luminescence perovskites, their …
Aprende másTrap Depth Engineering of SrSi 2 O 2 N 2:Ln 2+,Ln 3+ (Ln 2 ...
Deep-trap persistent luminescence materials exhibit unique properties of energy storage and controllable photon release under additional stimulation, allowing for both wavelength and intensity multiplexing to realize high-capacity storage in the next-generation information storage system. ... 2 College of Optical and Electronic …
Aprende másChemo-Triggered luminescence of sulfur nanoparticles for highly secure information storage …
Therefore, we realize that the triggered luminescence by H 2 O 2 can be used for optical information storage and multi-level encryption. The stimuli-responsive materials used for multi-level encryption are mainly organic fluorescent materials and carbon dots, and the stimuli include temperature, O 2 and mechanical stress [21], [26], [27], [28].
Aprende másRecent advances in persistent luminescence based on …
Molecular persistently luminescent materials have received recent attention due to their promising applications in optical displays, …
Aprende másSolar-absorbing energy storage materials demonstrating superior …
Herein, novel solar-absorbing energy storage materials (SESMs) constructed by solar-thermal conversion material (STCM), phase change material gels (PCMGs) and persistent luminescence materials (PLMs) are proposed to efficiently utilize the full spectrum of renewable solar energy towards the building thermal management …
Aprende másRecent advances in persistent luminescence based on …
Molecular persistently luminescent materials have received recent attention due to their promising applications in optical displays, biological imaging, chemical sensing, and security systems. In this …
Aprende másOpportunities for Next-Generation Luminescent Materials through ...
The extensive use of solid-state luminescent materials has been made possible because the current generation of inorganic phosphors fulfills most of the …
Aprende másVisible to Near‐Infrared Persistent Luminescence and Mechanoluminescence from Pr3+‐Doped LiGa5O8 for Energy Storage …
Here, a novel multifunctional phosphor of Li 1− x Ga 5 O 8:xPr 3+ is reported. The crystal structure, mechanoluminescence (ML), persistent luminescence (PersL), photoluminescence (PL) and photoluminescence excitation (PLE) are systematically studied. LiGa 5 O 8 emits blue PersL peaked at 437 nm after irradiation by …
Aprende másVisible to Near‐Infrared Persistent Luminescence and ...
The crystal structure, mechanoluminescence (ML), persistent luminescence (PersL), photoluminescence (PL) and photoluminescence excitation (PLE) are systematically studied. LiGa 5 O 8 emits blue PersL peaked at 437 nm after irradiation by a 254 nm lamp for 10 s, and corresponding PersL can be observed for 30 min by …
Aprende másUpconverted luminescence from lanthanide-doped ferroelectrics …
The existence of the energy transfer process is verified by exploiting the luminescence decay dynamics for the NBN:Er sample before and after 405 nm light irradiation of 240 s. As presented in Fig. 3 b, the average decay lifetime of 4 S 3/2 → 4 I 15/2 of Er 3+ ion decreases from 201 μs to 179 μs under the irradiation of 405 nm light. This ...
Aprende másNanocrystalline Engineering Induced High Energy Storage …
Herein, we demonstrate that an excellent Ud (∼90 J/cm 3) and high η (∼84.2%), as well as outstanding fatigue cycles (1 × 10 8 st), frequency stability …
Aprende másSafety Data Sheet
Luminescence Technology Corp. Revision Date: 02/25/2020 L10-A000-05-A Section 1. Chemical Identification Chemical Name: 4,8 -Dihydrobenzo[1,2b:4,5b'' ] dithiophen-4,8-dione Product No: K0140 Section 2. Hazards Identification Exposure – might cause
Aprende másChemical Energy Storage
A review of energy storage technologies with a focus on adsorption thermal energy storage processes for heating applications. Dominique Lefebvre, F. Handan Tezel, in Renewable and Sustainable Energy Reviews, 2017. 2.2 Chemical energy storage. The storage of energy through reversible chemical reactions is a developing research area …
Aprende másSafety Data Sheet
Luminescence Technology Corp. Revision Date: 02/25/2020 L10-A000-05-A Section 1. Chemical Identification Chemical Name: 3,6 -Dibromobenzene1,2diamine Product No: K0647 Section 2. Hazards Identification Exposure – might cause irritation to eyes
Aprende másEnergy Storage and Luminescence in KI:Tl at Low Temperatures
X irradiation of KI:Tl at 78°K results in storage of energy which can later be released as light by thermal or by optical means. Observation of stimulation spectra, absorption spectra, and emission spectra together with light sum and bleaching experiments indicate that the storage centers are I 2 − and Tl + + trapped holes and Tl 0 trapped electrons. . The first …
Aprende másSolar-absorbing energy storage materials demonstrating superior …
Herein, novel solar-absorbing energy storage materials (SESMs) constructed by solar-thermal conversion material (STCM), phase change material gels …
Aprende másLuminescence and energy storage characteristics of coke
Structural characterization. The X-ray diffraction profile of coke, as well as the oxidized graphitic sample obtained via Improved Hummers'' method, is presented in Fig. 1. The sharp and intense (002) peak centered on 2θ = 26° is a clear indication of the higher crystalline nature of carbochemical coke.
Aprende másNaSr2Nb5O15:Yb, Ho, Tm transparent glass ceramics: Up
The 0.5 mol% TiO2 added glass heated at 750 °C for 2 h demonstrates excellent comprehensive properties of εr= 110, BDS = 1408 kV/cm, high energy storage efficiency (η) of 92% and energy storage ...
Aprende másHigh Optical Energy Storage and Two-Photon Luminescence from …
Optical green emitting microresonators with high values of nonlinearity are desired for high optical up-conversion energy storage and lasing applications. Here we …
Aprende másLight storage perovskites: Synthesis, mechanisms, and applications ...
The great versatility of perovskite materials makes them good candidates to be applied as light storage materials, especially those with persistent luminescence. …
Aprende másProgress in chemical luminescence-based biosensors: A critical …
Abstract. Biosensors are a very active research field. They have the potential to lead to low-cost, rapid, sensitive, reproducible, and miniaturized bioanalytical devices, which exploit the high binding avidity and selectivity of biospecific binding molecules together with highly sensitive detection principles. Of the optical biosensors, those ...
Aprende másUltraviolet-B and Near-Infrared Dual-Band Luminescence in Bi3+/Bi2+ Codoped Persistent Phosphor for Optical Storage …
Discovering multifunctional luminescent materials to meet the demands of modern spectroscopy is of great significance. However, it is a standing challenge to enable multiple luminescence properties in a single material system via single metal ion doping. Here, we report the inherently Bi3+/Bi2+ codoped Ca3Ga2Ge3O12 persistent phosphor …
Aprende másReview Seeing (and Using) the Light: Recent Developments in ...
Despite the prevalence of bioluminescent systems, few have been widely applied in vivo.The color of light produced, reporter stability, and probe bioavailability are often suboptimal for imaging in tissues (Contag and Bachmann, 2002).Perhaps the most widely used luciferin for imaging in vivo is D-luciferin (Yeh and Ai, 2019).This substrate is …
Aprende másChemical Energy Storage
Abstract. Energy storage has become necessity with the introduction of renewables and grid power stabilization and grid efficiency. In this chapter, first, need for energy storage is introduced, and then, the role of chemical energy in energy storage is described. Various type of batteries to store electric energy are described from lead-acid ...
Aprende másOptically Stimulated Luminescence Based Optical Data Storage
We also modeled a new approach to reading data that exploits the unique nature of OSL based data storage where the writing and reading processes have different size scales. Based on the technical demonstrations, we developed a roadmap to increase the storage density beyond 50TB using a standard 5.25" optical storage disc.
Aprende másIonizing radiation induced emission: Scintillation and storage …
1. Introduction. In solid state ionizing radiation detectors, mainly two types of luminescent materials, scintillators and dosimeter materials, have been investigated for a long time [1], [2].The former one transduces the absorbed energy of high energy ionizing radiation (keV–GeV) to thousands of UV-visible photons immediately (scintillation) [3] …
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