Solvothermal Treatment of Micron-Sized Commercial SrAl2O4:Eu2+, Dy3+ Phosphors and One-Step Preparation of Nanophosphors for Fingerprint Imaging DOI Creative Commons

Rungang Liu,

Xueting Liu,

Weikai Lin

et al.

Applied Sciences, Journal Year: 2024, Volume and Issue: 14(9), P. 3929 - 3929

Published: May 4, 2024

Preparing submicron and nanoscale phosphors with good optical properties for practical applications is a challenging task current inorganic long afterglow luminescent materials. This study utilized commercialized SrAl2O4:Eu2+, Dy3+ (SAOED) as raw materials employed solvents lower polarity or non-polar dynamic solvothermal treatment. The phosphor’s overall average particle size was reduced from 42.3 μm to 23.6 while maintaining the fluorescence intensity at 91.39% of original sample. Additionally, demonstrated applicability method most other phosphors. experiment produced high-brightness nano-sized phosphor yield 5.64%. diameter 85 nm, an thickness 16 nm. quantum efficiency 74.46% fingerprint imaging results suggest that have potential applications.

Language: Английский

Pushing Trap‐Controlled Persistent Luminescence Materials toward Multi‐Responsive Smart Platforms: Recent Advances, Mechanism, and Frontier Applications DOI
Jiaren Du, Xiaomeng Wang, Shan Sun

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(37)

Published: July 14, 2024

Abstract Smart stimuli‐responsive persistent luminescence materials, combining the various advantages and frontier applications prospects, have gained booming progress in recent years. The trap‐controlled property energy storage capability to respond external multi‐stimulations through diverse pathways make them attractive emerging multi‐responsive smart platforms. This review aims at advances materials for advanced multi‐stimuli‐responsive design principles, mechanisms, representative stimulations, i.e., thermo‐, photo‐, mechano‐, X‐rays responsiveness, are comprehensively summarized. Various hybrid systems containing highlighted. Specifically, temperature dependent trapping de‐trapping performance is discussed, from extreme‐low ultra‐high conditions. Emerging future perspectives briefly presented. It hoped that this would provide new insights guidelines rational manipulation of

Language: Английский

Citations

16

Modulating Smart Mechanoluminescent Phosphors for Multistimuli Responsive Optical Wood DOI Creative Commons

Jiangcheng Luo,

Biyun Ren,

Xianhui Zhang

et al.

Advanced Science, Journal Year: 2023, Volume and Issue: 11(1)

Published: Nov. 8, 2023

Abstract Mechanoluminescence is a smart light‐emitting phenomenon in which applied mechanical energy directly converted into photon emissions. In particular, mechanoluminescent materials have shown considerable potential for applications the fields of and sensing. This study thoroughly investigates mechanoluminescence long afterglow properties singly doped codoped Sr 2 MgSi O 7 (SMSO) with varying concentrations Eu 2+ Dy 3+ ions. Subsequently, comprehensive analysis its multimode luminescence properties, including photoluminescence, mechanoluminescence, afterglow, X‐ray‐induced luminescence, conducted. addition, density states mapping acquired through first‐principles calculations, confirming that enhanced SMSO primarily stem from deep trap introduced by . contrast to traditional mixing Polydimethylsiloxane, this study, powders are incorporated optically transparent wood produce multiresponse X‐ray‐excited luminescence. structure achieved pretreating natural wood, eliminating lignin, subsequently modifying overall modification using various phosphors epoxy resin composites. After drying, multifunctional composite diverse obtained. Owing environmental friendliness, sustainability, self‐power, cost‐effectiveness, anticipated find extensive construction energy‐efficient displays.

Language: Английский

Citations

30

Stimuli‐Responsive Lanthanide Activated Piezoelectric LiNbO3 Microcrystals for Multimode Luminescence and Optical Sensing Applications DOI
Nan Lin,

Jiawen Wang,

Zhen Xiao

et al.

Laser & Photonics Review, Journal Year: 2024, Volume and Issue: 18(6)

Published: Feb. 13, 2024

Abstract Multimode luminescence is usually stimulated by various external stimuli in response to photon emission and applied anti‐counterfeiting encryption fields. However, integrating multimode into a single stable material, how quantitatively evaluate the relationship between temperature light force remains challenge. In this work, LiNbO 3 :Er 3+ /Pr microcrystals that can respond X‐ray, UV light, temperature, stress are developed. The temperature‐dependent upconversion spectra show maximum relative sensitivity of 0.889% K −1 based on intensity ratio. Meanwhile, mechanoluminescence around 618 nm with linear observed increase force. These materials illustrate strong static dynamic be manipulated space time dimensions, which provides new ideas field information encryption.

Language: Английский

Citations

14

Smart mechanoluminescent phosphors: A review of zinc sulfide‐based materials for advanced mechano‐optical applications DOI Creative Commons
Zefeng Huang, Li Xu,

Tianlong Liang

et al.

Deleted Journal, Journal Year: 2024, Volume and Issue: 2(3)

Published: Aug. 1, 2024

Abstract The quest for mechanoluminescence (ML) in zinc sulfide (ZnS) spans more than a century, initially sparked by observations of natural minerals. There has been resurgence research into ML materials recent decades, driven advances optoelectronic technologies and deeper understanding their luminescent properties under mechanical stress. ZnS, particular, garnered attention owing to its remarkable ability sustain luminescence after 100,000 stimulations, positioning it as standout candidate applications. In contrast conventional photoluminescent electroluminescent light sources, ZnS composite elastomers have emerged flexible, stretchable self‐powered sources with considerable practical implications. This review introduces the development history, mechanisms, prototype devices, ZnS‐based material preparation methods, diverse applications spanning environmental mechanical‐to‐optical energy conversion, E‐signatures, anti‐counterfeiting, wearable information sensing advanced battery‐free displays, biomedical imaging, optical fiber sensors human–computer interactions, among others. By integrating insights from ML‐optics, mechanics, flexible optoelectronics, summarizing pertinent perspectives on current scientific challenges, application technology hurdles, potential solutions emerging frontiers, this aims furnish fundamental guidance conceptual frameworks design, advancement, cutting‐edge novel mechanoluminescent materials.

Language: Английский

Citations

11

A Mechanoluminescent ZnS:Cu/PDMS and Biocompatible Piezoelectric Silk Fibroin/PDMS Hybrid Sensor for Self‐Powered Sensing and Artificial Intelligence Control DOI Creative Commons
Min‐Soo Kim, Suman Timilsina,

Seong‐Min Jang

et al.

Advanced Materials Technologies, Journal Year: 2024, Volume and Issue: 9(11)

Published: April 15, 2024

Abstract Mechanoluminescence (ML) is luminescence induced due to mechanical stress, providing intuitive responses strain‐related events. Piezoelectricity the conversion of strain into electrical signals, offering a quantitative measurement force/deformation. Combining ML and piezoelectricity within single device provides comprehensive understanding events, qualitative information about phenomena. A ZnS:Cu/polydimethylsiloxane (PDMS) composite biocompatible silk fibroin/PDMS are prepared generate respectively. An innovative method for obtaining powder from fabrics employed. The microstructure composition fibroin also examined via X‐ray diffraction Fourier Transform Infrared (FTIR) spectroscopy. Mechanical stimuli such as pressure, stretching, twisting, bending, vibration, rubbing applied demonstrate optical responses. Under voltage 3.82 V an output current 201.6 nA generated at force 1 N. Furthermore, handwritten test conducted qualitatively visualize letters based on effects explore feasibility using artificial intelligence classify signals during writing their corresponding letters. This biocompatible, dual‐modal self‐powered sensor demonstrates broad applicability in wearable technology, biomechanics, human–machine interaction, security, energy harvesting.

Language: Английский

Citations

6

Light-responsive multimode luminescence in photochromism transparent wood for anti-counterfeiting application DOI

Xiuling Yang,

Zhiwei Tian, Gaigai Duan

et al.

Industrial Crops and Products, Journal Year: 2024, Volume and Issue: 219, P. 119098 - 119098

Published: July 2, 2024

Language: Английский

Citations

4

Energy Transfer‐Assisted Color Conversion of Persistent Mechanoluminescence in RhB@SiO2/SrAl2O4:Eu,Dy System for Multilevel Information Encryption DOI
Yuan Deng,

Danni Peng,

Cheng‐Long Shen

et al.

Laser & Photonics Review, Journal Year: 2024, Volume and Issue: 18(8)

Published: July 2, 2024

Abstract Persistent mechanoluminescence (PML) is highly desirable for its ability to overcome transient‐emitting behavior, but applications are hindered by the limited emission wavelengths. Herein, a universal chemical interlinkage‐assisted efficient energy transfer (ET) strategy introduced achieve color conversion from green red in traditional PML materials. A straightforward route create RhB@SiO 2 /SAOED system established via covalent interlinkage depositing mesoporous silica‐encapsulated Rhodamine B (RhB) nanoparticles (RhB@SiO ) onto SrAl O 4 :Eu, Dy (SAOED) particles. The resulting exhibits high ET efficiency of 53.5%. multicolor remains visible naked eye exceeding 28 s after mechanical stimulation. With this unique demonstrates potential ranging visualized reading activities multi‐mode anticounterfeiting. This color‐conversion provides new approach high‐performance light energy‐conversion systems and may further inspire more diverse functional classical

Language: Английский

Citations

4

Flexible mechano-optical sensors from mechanoluminescence to mechanoplasmonics: designs, applications, and prospects DOI
Tao Wei,

Yufeng Xue,

Qinhua Hu

et al.

Journal of Materials Chemistry C, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

This review summarizes the mechanisms, developments, and applications of flexible mechano-optical sensors using mechanoluminescence mechanoplasmonics for robust sensing applications, while addressing challenges prospects their integration.

Language: Английский

Citations

0

Organic long persistent luminescence wood-based materials DOI

Xixi Piao,

Zhengwen Ning,

Qijiao He

et al.

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 160718 - 160718

Published: Feb. 1, 2025

Language: Английский

Citations

0

BaMgSiO4-based composites with photochromic and persistent luminescent behaviors for advanced anti-counterfeiting applications DOI
Meng Liu, Jie Shao,

Xiyang Li

et al.

Ceramics International, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 1, 2025

Language: Английский

Citations

0