Wang Zhan, Zhao Sheng, Wang Yanxing, Wang Fu, Ansari Anees A, Lv Ruichan
Interdisciplinary Research Center of Smart Sensor, Engineering Research Center of Molecular and Neuro Imaging, Ministry of Education, School of Life Science and Technology, Xidian University, Xi'an, 710071, Shanxi, China.
State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, Shaanxi, China.
Anal Bioanal Chem. 2024 Jul;416(17):3975-3984. doi: 10.1007/s00216-023-04968-1. Epub 2023 Oct 6.
Mechanoluminescent materials are characterized by high luminescence intensity, high repeatability, no external voltage activation, and a good linear relationship between stress and mechanoluminescence intensity within a certain range. Therefore, mechanoluminescent materials have attracted increasing attention from researchers in the fields of stress sensing, encryption and anti-counterfeiting, structural health monitoring, energy-saving lighting, intelligent wearable devices, and other fields. In this study, ZnS:Mn powders with different Mn ratios and different ion doping were synthesized by a high-temperature solid-phase reaction, and the synthesis of various materials was characterized. Then, the optimal mechanoluminescence effect of the ZnS:1%Mn,1%Li material was obtained. The photoluminescence intensity of ZnS:1%Mn,1%Li was 16.7 times higher than that of the sample without doping with Li, and the mechanoluminescence intensity was 1.64 times higher. Finally, polyethylene terephthalate (PET) film was combined with ZnS:Mn,Li mechanoluminescent powders to prepare flexible three-layer composite film. Based on this, a feasible strategy for the detection of temporomandibular disorders was proposed. The composite film is easy to use, economical, and safe, and has good mechanoluminescent performance, which has potential application value in the field of occlusal force detection and visualization.
机械发光材料具有发光强度高、重复性好、无需外部电压激活以及在一定范围内应力与机械发光强度之间具有良好线性关系等特点。因此，机械发光材料在应力传感、加密防伪、结构健康监测、节能照明、智能可穿戴设备等领域引起了研究人员越来越多的关注。在本研究中，通过高温固相反应合成了不同锰比例和不同离子掺杂的ZnS:Mn粉末，并对各种材料的合成进行了表征。然后，获得了ZnS:1%Mn,1%Li材料的最佳机械发光效果。ZnS:1%Mn,1%Li的光致发光强度比未掺杂Li的样品高16.7倍，机械发光强度高1.64倍。最后，将聚对苯二甲酸乙二酯（PET）薄膜与ZnS:Mn,Li机械发光粉末复合，制备了柔性三层复合薄膜。基于此，提出了一种检测颞下颌关节紊乱症的可行策略。该复合薄膜使用方便、经济且安全，具有良好的机械发光性能，在咬合力检测和可视化领域具有潜在的应用价值。
