Trap-independent mechanoluminescence in ZnB2O4:Mn2+/PDMS composite elastomer with self-recovery activity

Guo, Xiuping; Bian, Jiali; Bai, Yongqing; Ma, Zhidong; Yang, Shengrong; Wang, Zhaofeng

doi:10.1016/j.cplett.2021.139235

Cited by 15 publications

(5 citation statements)

References 34 publications

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“…When the stretching is over, the composite film slowly recovers under the control of the mechanical testing machine and the molecular chains are disoriented, again causing friction between the polymer and the powder particles. It has been reported that ML can still be observed along the direction perpendicular to the initial stretching, 38 which is also because polymer chains were rearranged and friction reoccurred.…”

Section: Resultsmentioning

confidence: 99%

Doping dependent dual-response mechanoluminescence in ZnGa₂O₄

et al. 2023

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Section: Resultsmentioning

confidence: 99%

Doping dependent dual-response mechanoluminescence in ZnGa₂O₄

et al. 2023

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“…When it comes to CaZnGe 2 O 6 : xMn 2+ , a stronger intensity of ML than PersL is observed, which implies a potentially high‐contrast ML imaging ability. [ 35 ]…”

Section: Resultsmentioning

confidence: 99%

“…When it comes to CaZnGe 2 O 6 : xMn 2+ , a stronger intensity of ML than PersL is observed, which implies a potentially high-contrast ML imaging ability. [35] Generally, the capture and release of electrons play an essential role in materials to maintain stronger intensity and higher recovery ability. Hence, the defects should be studied, and thermoluminescence curves of CaZnGe 2 O 6 : xMn 2+ are tested from 300 K to 600 K after (Pre-irradiated by 254 nm UV for 2 min).…”

Section: Defect-induced Persl and ML Emissionsmentioning

confidence: 99%

Stress‐Induced Multi‐Stimulus‐Responsive Mechanoluminescence in Mn²⁺ Doped Double Perovskite Compound

Wang,

Xiao,

Liu

et al. 2023

Advanced Optical Materials

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Multi‐mode mechanoluminescence (ML) materials are have applications such as anti‐counterfeiting, stress sensing, and information security. There is limited general consensuses on the luminescent mechanisms, even though exploring ML mechanism based on defects has shown significance in further studies exploring both ML materials design and application. Here, a deep‐red to near‐infrared (NIR) ML material is reported in a Mn2+‐activated double perovskite‐type compound (CaZnGe2O6: Mn2+). The abundant lattice sites within the crystal structure have enabled Mn2+ doping and defects. Two different photoluminescence (PL) emission bands peaked at 536 and 676 nm from 4T1(4G)→6A1(6S) are observed, which are attributed to the substitution of Zn2+ and Ca2+ sites by Mn2+, respectively. Hence, tunable emissions from green to red are realized in single Mn2+ doping, which can be further regulated by varying the Mn2+ concentration. Electrons and holes are captured by cation and anion defects ( and , , vacancy of Zn, Ca and O ions), followed by the combination of such carriers to transfer energy to the Mn2+ 3d states to produce ML/persistent luminescence (PersL) under mechanical/thermal stimuli. Proof‐of‐concept applications in multi‐mode anti‐counterfeiting, temperature sensing, and X‐ray imaging fields are demonstrated. These results will deepen the understanding of single Mn2+‐doped multi‐stimulus‐responsive ML materials, inspiring the development of more high‐performance ML phosphors for practical applications.

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“…As the number of rapid stretching cycles increases, the blue ML signal gradually stabilizes after the initial drops which is consistent with the corresponding spectral signal change trend (Figure 4b,c; Figure S8, Supporting Information). Under the cyclic mechanics stimulation, the polymer matrix could exhibit a hysteresis effect where the deformation falls behind the stress, [51,52] and the interfacial rubbing action would be significantly decreased. Also, the weaker physical adsorption interactions between the CBPOC particles and the polymer network may break under stretching (Figure S9, Supporting Information).…”

Section: Repeatable Self-recoverable and Thermally Stable ML Of Cbpoc...mentioning

confidence: 99%

Self‐Recoverable, Highly Repeatable, and Thermally Stable Mechanoluminescence for Dual‐Mode Information Storage and Photonic Skin Applications

Qin,

Wei,

Tian

et al. 2024

Adv Funct Materials

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Mechanically driven light generation is an intriguing phenomenon holding great promise in various fields. However, the existing mechanoluminescence (ML) materials always suffer from poor self‐recoverability, low repeatability, and environmental disturbance, severely hindering their practical applications. In this work, a self‐activating ML system based on interfacial triboelectrification is created by compositing the Ca6BaP4O17:0.02Ce3+ powders into a flexible polydimethylsiloxane (PDMS) matrix. With no need for pre‐irradiation, the composite film emits self‐activating and self‐charging ML simultaneously in response to the rubbing or stretching stimuli. Accordingly, the Ca6BaP4O17:0.02Ce3+/PDMS exhibits desirable self‐recovery and repeatable ML performance, which could still be recorded (or observed by naked eyes) even after ca. 1000 stretching cycles with a fast self‐recovery period of < 0.1 s. Furthermore, the Ca6BaP4O17:0.02Ce3+/PDMS possesses good thermal stability in a temperature range from 298 to 473 K. The developed Ca6BaP4O17:0.02Ce3+/PDMS is applicable to various fields, and the dual‐mode information storage and photonic skin devices are created as representatives. Compared to the existing oxide‐based ML materials (the ML signal disappears after only several or tens of rapid mechanics cycles), this work breaks through the bottleneck issues on the self‐recoverability, repeatability, and thermal stability, which significantly advances the ML field.

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Trap-independent mechanoluminescence in ZnB2O4:Mn2+/PDMS composite elastomer with self-recovery activity

Cited by 15 publications

References 34 publications

Doping dependent dual-response mechanoluminescence in ZnGa₂O₄

Doping dependent dual-response mechanoluminescence in ZnGa₂O₄

Stress‐Induced Multi‐Stimulus‐Responsive Mechanoluminescence in Mn²⁺ Doped Double Perovskite Compound

Self‐Recoverable, Highly Repeatable, and Thermally Stable Mechanoluminescence for Dual‐Mode Information Storage and Photonic Skin Applications

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Trap-independent mechanoluminescence in ZnB2O4:Mn2+/PDMS composite elastomer with self-recovery activity

Cited by 15 publications

References 34 publications

Doping dependent dual-response mechanoluminescence in ZnGa2O4

Doping dependent dual-response mechanoluminescence in ZnGa2O4

Stress‐Induced Multi‐Stimulus‐Responsive Mechanoluminescence in Mn2+ Doped Double Perovskite Compound

Self‐Recoverable, Highly Repeatable, and Thermally Stable Mechanoluminescence for Dual‐Mode Information Storage and Photonic Skin Applications

Contact Info

Product

Resources

About

Doping dependent dual-response mechanoluminescence in ZnGa₂O₄

Doping dependent dual-response mechanoluminescence in ZnGa₂O₄

Stress‐Induced Multi‐Stimulus‐Responsive Mechanoluminescence in Mn²⁺ Doped Double Perovskite Compound