Mechanoluminescent functional devices: Developments, applications and prospects

Nano Energy, Journal Year: 2024, Volume and Issue: 122, P. 109325 - 109325

Published: Jan. 23, 2024

Language: Английский

---

Microstrain‐Stimulated Elastico‐Mechanoluminescence with Dual‐Mode Stress Sensing

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(26)

Published: April 10, 2024

Abstract Elastico‐mechanoluminescence technology has shown significant application prospects in stress sensing, artificial skin, remote interaction, and other research areas. Its progress mainly lies realizing visualization 2D or even 3D stress‐sensing effects using a passive sensing mode. However, the widespread promotion of mechanoluminescence (ML) is hindered by issues such as high strain thresholds single mode based on luminous intensity. In this study, highly efficient green‐emitting ML with dual‐mode characteristics driven microscale developed LiTaO 3 :Tb 3+ . addition to single‐mode intensity, self‐defined parameter ( Q ) also introduced factor for velocity. Impressively, fabricated film capable generating discernible signals when supplied strains low 500 µst. This current minimum value that can drive ML. study offers an ideal photonic platform exploring potential applications rare‐earth‐doped elastico‐ML materials interaction devices, high‐precision sensors, single‐molecule biological imaging.

Language: Английский

---

Modulating Smart Mechanoluminescent Phosphors for Multistimuli Responsive Optical Wood

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

---

Self-recoverable NIR mechanoluminescence from Cr3+ doped perovskite type aluminate

Advanced Powder Materials, Journal Year: 2023, Volume and Issue: 3(2), P. 100165 - 100165

Published: Nov. 8, 2023

Mechanoluminescent (ML) materials, which have the ability to convert mechanical energy optical energy, found huge promising applications such as in stress imaging and anti-counterfeiting. However, main reported ML phosphors are based on trap-related ones, thus hindering practical due requirement of complex light pre-irradiation process. Here, a self-recoverable near infrared (NIR) material LaAl1-xO3: xCr3+ (x = 0.2 %, 0.4 0.6 0.8 1.0 % 1.2 %) has been developed. Based preheating method corresponding performance analysis, influences residual carriers eliminated detailed dynamic luminescence process analysis is realized. Systematic experiments conducted reveal origin emissions, demonstrating that dictated more by non-centrosymmetric piezoelectric crystal characteristic. In general, this work provided significant references for exploring efficient NIR may provide potential anti-counterfeiting bio-stress sensing.

Language: Английский

---

Defect-management-induced multi-stimulus-responsive mechanoluminescence in Mn2+ doped gallate compound

Nano Energy, Journal Year: 2023, Volume and Issue: 120, P. 109086 - 109086

Published: Nov. 14, 2023

Language: Английский

---

Smart mechanoluminescent phosphors: A review of zinc sulfide‐based materials for advanced mechano‐optical applications

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

---

Mechano-luminescence Behavior of Lanthanide-Doped Fluoride Nanocrystals for Three-Dimensional Stress Imaging

ACS Nano, Journal Year: 2023, Volume and Issue: 17(10), P. 9543 - 9551

Published: May 11, 2023

Pervasive mechanical force in nature and human activities is closely related to intriguing physics widespread applications. However, describing stress distribution timely precisely three dimensions avoid "groping the dark" still a formidable challenge, especially for nonplanar structures. Herein, we realize three-dimensional (3D) imaging sharp arbitrary targets via advanced 3D printing, owing use of fluoride nanocrystal(NC)-based ink. Notably, fascinating mechano-luminescence (ML) observed homogeneously dispersed NaLuF4:Tb3+ NCs (∼25 nm) with rationally designed deep traps (at 0.88 1.02 eV) incorporating Cs+ ions using X-ray irradiation. Carriers captured corresponding are steadily released under stimulations, which enables ratio metric luminescence intensity based on applied force. As result, significant mechano-optical conversion superior optical waveguide transparent printed demonstrate high spatial temporal resolution stereovision. These results highlight function 3D-printed NCs, cast light into black boxes described space, benefiting us understanding ubiquitous relevant most natural engineering processes.

Language: Английский

---

Color manipulation of mechanoluminescence and photoluminescence from CaZnOS:ZnS:Mn2+ heterocompound controlled by ion doping concentration

Journal of Alloys and Compounds, Journal Year: 2024, Volume and Issue: 990, P. 174437 - 174437

Published: April 7, 2024

Language: Английский

---

Versatile and High‐Performance LiTaO₃:Tb³⁺, Gd³⁺ Perovskite for Multimode Anti‐counterfeiting, Flexible X‐Ray Imaging, Continuous Stress Sensing, and Non‐Real‐Time Recording

Laser & Photonics Review, Journal Year: 2023, Volume and Issue: 17(11)

Published: Sept. 22, 2023

Abstract Multimode luminescence relates to how charge carriers are transported and recombined in response various physical excitations. It shows promising applications many fields like advanced anti‐counterfeiting, information storage encryption. Enabling a stable single compound with multimode is unique technology but still remains challenge. Herein, versatile high‐performance energy LiTaO 3 :0.01Tb 3+ ,xGd perovskite discovered by utilizing the interplay of electron‐trapping defect levels hole‐trapping Tb . combines an excellent carrier capacity (≈7 12 times higher than state‐of‐the‐art BaFBr(I):Eu 2+ Al 2 O :C), >1200 h duration, >40 afterglow, efficient optically stimulated luminescence, persistent mechanoluminescence, force‐induced features. Particularly, it well responds stimuli channels, i.e., wide‐range X‐rays 850 nm infrared photons, thermal activation, mechanical force grinding, or compression. To elucidate this trapping release processes stimulations will be unraveled combining vacuum‐referred binding diagram construction, spectroscopy, thermoluminescence, mechanoluminescence techniques. The enables proof‐of‐concept flexible X‐ray imaging, continuous compression sensing, non‐real‐time recording.

Language: Английский

---

Deep-trap persistent materials for future rewriteable optical information storage

Physical Chemistry Chemical Physics, Journal Year: 2024, Volume and Issue: 26(29), P. 19591 - 19605

Published: Jan. 1, 2024

Deep-trap persistent luminescent (PersL) materials with enriched traps, which allow signals to quickly write-in and read-out low-energy consumption, are one of the most promising for information storage. In this review, considering demand optical storage, we provide comprehensive insights into data storage mechanism PersL materials. Particularly, focus on various "trap-state tuning" strategies involving doping design new deep-trap phosphors controlled carrier trapping-de-trapping non-volatile high-capacity Subsequently, recent significant strategies, including wavelength-multiplexing, intensity-multiplexing, mechanical-multiplexing, three-dimensional multidimensional trap-multiplexing technologies improving capacity highlighted. Finally, challenges opportunities regarding by discussed. We hope that review will future development in field

Language: Английский

---