Multicolor Persistent Luminescence for High-Sensitivity Optical Temperature Sensing, Human Motion Detection, and Multimodal Anticounterfeiting Materials DOI
Lingbo Zhou, Rujia Chen, Xinying Li

et al.

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown

Published: April 16, 2025

Multimodal luminescent materials are widely used in noncontact temperature sensors and fluorescent dynamic anticounterfeiting due to their visible persistent luminescence fast optical signal response. To this end, CaY0.99GaO4: 0.01 Bi3+; CaY0.92GaO4: Bi3+, 0.07Eu3+; CaY0.96GaO4: 0.03Er3+ phosphors were prepared using the high-temperature solid-state method. The down-conversion luminescence, up-conversion long mechanical of studied, achieving multicolor luminescence. It was found that 0.07Eu3+ phosphor achieves maximum relative sensitivity 1.49% K-1. These show great potential for applications detection. Through density functional theory electron localization function analysis, multimodal CaYGaO4: Eu3+/Er3+ studied. ion doping leads a decrease band gap induces Jahn-Teller effect, creating lower energy channels accelerate carrier release enhance performance. This is fundamental reason realization human motion Subsequently, novel sensing device detection developed high performance phosphor. properties demonstrated static-dynamic applications. Finally, it stability wide defect states provide new approach sensors, detection, information storage, anticounterfeiting.

Language: Английский

The quest for new thermoluminescence and optically stimulated luminescence materials: Needs, strategies and pitfalls DOI Creative Commons
E.G. Yukihara, A.J.J. Bos, P. Bilski

et al.

Radiation Measurements, Journal Year: 2022, Volume and Issue: 158, P. 106846 - 106846

Published: Aug. 20, 2022

The quest for new materials thermoluminescence (TL) and optically stimulated luminescence (OSL) dosimetry continues to be a central line of research in dosimetry, occupying many groups investigators, is the topic publications. Nevertheless, it has also been area with pitfalls, slow advances our understanding processes, rare improvements over existing materials. Therefore, this paper reviews status field goal addressing some fundamental questions: Is there need TL/OSL dosimetry? Can these designed and, if so, are strategies or rules that can followed? What common pitfalls how they avoided? By discussing questions, we hope contribute more guided approach development luminescent applications.

Language: Английский

Citations

60
A Versatile Photochromic Dosimeter Enabling Detection of X‐Ray, Ultraviolet, and Visible Photons DOI
Zetian Yang, Jieqi Hu, David Van der Heggen

et al.

Laser & Photonics Review, Journal Year: 2023, Volume and Issue: 17(5)

Published: Jan. 29, 2023

Abstract An accurate measurement of radiation doses is required to ensure efficient use electromagnetic in medical diagnostics, agriculture, or general lighting applications. Yet, existing dosimeters usually face the issues cumbersome manipulation, time‐consuming analysis, power‐supply requirement. Here, an all‐round dosimeter reported based on BaMgSiO 4 , a photochromic material that exhibits reversible white‐pink color change upon irradiation. Electron paramagnetic resonance measurements under situ coloring and bleaching reveal charge carrier trapping detrapping at oxygen vacancy‐related defects determine behavior. This can be utilized for dosimetry X‐rays, ultraviolet, visible light, as are dependent irradiation wavelength dose. The distinct variation allows on‐site by colorimetric method, special wavelength‐responsive behavior ultraviolet region suitable personal solar light monitoring. By virtue good stability excellent cycling robustness, ideal integrating detector dosimetry. A prototype device also developed long‐duration daylight measurements. These findings enhance understanding inorganic materials stimulate exploration new dosimeters.

Language: Английский

Citations

34
Passive Dosimeters for Radiation Dosimetry: Materials, Mechanisms, and Applications DOI Creative Commons
Zetian Yang, Henk Vrielinck, Luiz G. Jacobsohn

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: July 1, 2024

Abstract Passive dosimeters enabling accurate measurement of doses from gamma rays to visible light are necessary ensure efficient utilization electromagnetic radiation in numerous fields like medical diagnostics and industrial manufacturing. The specific requirements for terms dosimetry range, sensitivity, accuracy, stability each application have led the development various based on new materials mechanisms. Here, a comprehensive review different types classified according response signal, namely electron paramagnetic resonance, electrical, optical, is provided. This starts with general introduction dosimetry, classification dosimeters, an elucidation necessity ranges spectrum. followed by overview fundamental explanation procedure, dosimetric quantities. Emphasis given working mechanism, design concept, applications type dosimeter as well their respective strengths drawbacks. Challenges prospects presented at end review. provides insightful material‐mechanism‐characteristics‐application relationship that hopefully can serve inspiration devices.

Language: Английский

Citations

18
Liquid nitrogen temperature to 700 K Bi3+ thermoluminescence: Toward wide-temperature-range light dosimeters for versatile anti-counterfeiting, information storage, and x-ray imaging DOI
Tianshuai Lyu, Pieter Dorenbos

Applied Physics Reviews, Journal Year: 2024, Volume and Issue: 11(4)

Published: Oct. 31, 2024

Discovering light dosimeters that can function effectively from liquid nitrogen temperature to 700 K presents significant challenges. Such facilitate a range of cutting-edge applications, including anti-counterfeiting measures at low for cryo-preservation. To such discovery, stacked vacuum referred binding energy diagrams the LiYGeO4 cluster crystals have been first constructed. They offer robust method controlling both electron and hole trapping depth in crystals. Wide shifting Bi2+ Eu2+ thermoluminescence (TL) glow bands emerges 200 500 LiYxLu1-xGeO4:0.01Bi3+ LiYxLu1-xGeO4:0.01Bi3+, 0.001Eu3+, by changing x, facilitating conduction band tailoring. Bi4+ TL 300 LiYGezSi1-zO4:0.01Bi3+, tuning z, valence peaks near 135, 185, 232, 311 emerge LiyNa1-yYGeO4: 0.001Bi3+. Particularly, discovered Bi3+ or/and lanthanide modified exhibit superior charge carrier storage capacity minimal fading properties. For instance, ratio intensity optimized LiYGe0.75Si0.25O4:0.001Bi3+ industrial BaFBr(I):Eu2+ is as high ∼4. Interestingly, imaging intense optically driven ultraviolet-A (UVA) luminescence has validated 254 nm energized LiY0.25Lu0.75GeO4:0.01Bi3+ with 100 lux white LED illumination. Together ZnS:Mn2+, LiTaO3:Bi3+, Sm3+, Cs2ZrCl6:Sb3+ perovskites, realization wide offers promising use versatile anti-counterfeiting, information storage, delayed x-ray purposes.

Language: Английский

Citations

12
Development of Ag-Doped ZnO Thin Films and Thermoluminescence (TLD) Characteristics for Radiation Technology DOI Creative Commons
Hammam Abdurabu Thabit, Norlaili A. Kabir, Abd Khamim Ismail

et al.

Nanomaterials, Journal Year: 2022, Volume and Issue: 12(17), P. 3068 - 3068

Published: Sept. 3, 2022

This work examined the thermoluminescence dosimetry characteristics of Ag-doped ZnO thin films. The hydrothermal method was employed to synthesize films with variant molarity Ag (0, 0.5, 1.0, 3.0, and 5.0 mol%). structure, morphology, optical were investigated using X-ray diffraction (XRD), scanning electron microscope (SEM), energy-dispersive spectroscopy (EDX), photoluminescence (PL), UV-vis spectrophotometers. by exposing samples radiation. It obtained that highest TL intensity for appeared correspond 0.5 mol% Ag, when exposed results further showed glow curve has a single peak at 240-325 °C, its maximum 270 which corresponded heating rate 5 °C/s. annealing procedures best response found 400 °C 30 min. dose-response revealed good linear up 4 Gy. proposed sensitivity 1.8 times higher than TLD 100 chips. thermal fading recorded 8% 1 Gy 20% in first hour. After 45 days irradiation, signal loss 32% 40% cases Gy, respectively. confirmed all samples' stored signals affected exposure sunlight, decreased 70% after 6 h. new dosimeter exhibits properties radiation measurement, given overgrowth (in terms curve) within s (similar case), simple procedure, high (two 100).

Language: Английский

Citations

34
Force‐Induced Ultraviolet C Luminescence of Pr3+‐Doped Sr2P2O7 for X‐Ray Dosimetry DOI
Huimin Li,

Yanmin Yang,

Pei Li

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 22, 2024

Mechanoluminescent materials have broad application prospects in advanced displays, stress imaging, and anti-counterfeiting owing to their ability convert mechanical stimuli into light. However, most previous studies focused on the visible near-infrared regions. Although natural ultraviolet C (UVC) light is nearly absent Earth's surface, it plays an important role many fields. Therefore, development of smart capable emitting UVC mechanoluminescence (ML) expanding scenarios ML are significant but challenging. Here property Sr

Language: Английский

Citations

9
Heat transfer during the readout process of a Thermoluminescent Dosimeter (TLD) DOI
Tali Bar-Kohany, Ankur Jain

Nuclear Engineering and Design, Journal Year: 2025, Volume and Issue: 433, P. 113817 - 113817

Published: Jan. 20, 2025

Language: Английский

Citations

1
Copper halide-based portable personal dosimeter for real-time X-ray monitoring DOI Creative Commons
Hafiz Saad Khaliq, José Ilton de Oliveira Filho, Murilo Calil Faleiros

et al.

Cell Reports Physical Science, Journal Year: 2025, Volume and Issue: unknown, P. 102546 - 102546

Published: April 1, 2025

Language: Английский

Citations

1
Characterization of LiF:Mg,Ti thermoluminescence detectors in low-LET proton beams at ultra-high dose rates DOI Creative Commons
Silvia Motta, Jeppe Brage Christensen, Michele Togno

et al.

Physics in Medicine and Biology, Journal Year: 2023, Volume and Issue: 68(4), P. 045017 - 045017

Published: Jan. 25, 2023

Objective.This work aims at characterizing LiF:Mg,Ti thermoluminescence detectors (TLDs) for dosimetry of a 250 MeV proton beam delivered ultra-high dose rates (UHDR). Possible rate effects in LiF:Mg,Ti, as well its usability narrow beams are investigated.Approach.LiF:Mg,Ti (TLD-100TMMicrocubes, 1 mm × mm) was packaged matrices 5 detectors. The center each matrix irradiated with single-spot low-LET (energy >244 MeV) the (1-4500) Gy s-1average range. A reconstruction procedure applied to highest (Gaussian sigma <2 correct volumetric averaging effects. Reference carried out diamond detector and radiochromic films. number protons measured by Faraday cup, which employed normalize responses.Main results.The lateral spread obtained from agreed one derived film measurements. No were observed investigated within 3% (k= 1). On average, response TLDs reference their uncertainties. largest deviation (-5%) 4500 s-1.Significance.The independence makes them suitable UHDR beams. Additionally, combination can be determine profile

Language: Английский

Citations

16
Visualized X-ray Dosimetry for Multienvironment Applications DOI

Lan Lu,

Songcheng Peng,

Lei Zhao

et al.

Nano Letters, Journal Year: 2023, Volume and Issue: 23(18), P. 8753 - 8760

Published: Sept. 15, 2023

X-ray dose detection plays a critical role in various scientific fields, including chemistry, materials, and medicine. However, the current materials used for this purpose face challenges both immediate delayed radiation detections. Here, we present visual dosimetry method multienvironment applications, utilizing NaLuF4 nanocrystals (NCs) that undergo color change from green to red upon irradiation. By adjustment of concentrations Ho3+, emission NCs can be tuned thanks cross-relaxation effects. Furthermore, irradiation induces generation trapping centers NaLuF4:Ho3+ NCs, endowing mechanoluminescence (ML) behavior mechanical stimulation after ceases. The ML intensity shows linear correlation with dose, facilitating radiation. This breakthrough facilitates inspection flaw detection, nuclear medicine, customs, civil protection, thereby enhancing opportunities monitoring control.

Language: Английский

Citations

15