Grain size influence on the flexibility and luminous intensity of inorganic CaTiO3:Pr3+ crystal nanofibers

被引:6
作者
Wang, Dehua [1 ]
He, Hongwei [2 ]
Wang, Xiaoxiong [1 ,3 ]
Yu, Yang [1 ]
Jiang, Longlong [1 ]
Lu, Ye [1 ]
Yu, Jing [4 ,5 ]
Zhang, Jun [1 ]
Long, Yunze [1 ,3 ]
Ruan, Keqing [6 ,7 ]
机构
[1] Qingdao Univ, Coll Phys Sci, Qingdao 266071, Peoples R China
[2] Qingdao Univ, Coll Text & Clothing, Ind Res Inst Nonwovens & Tech Text, Qingdao 266071, Peoples R China
[3] Qingdao Univ, Collaborat Innovat Ctr Ecotext Shandong Prov, State Key Lab Biofibers & Ecotext, Qingdao 266071, Peoples R China
[4] Shandong Normal Univ, Collaborat Innovat Ctr Light Manipulat & Applicat, Jinan 250358, Peoples R China
[5] Shandong Normal Univ, Sch Phys & Elect, Jinan 250014, Peoples R China
[6] Univ Sci & Technol China, Dept Phys, Hefei 230026, Peoples R China
[7] Univ Sci & Technol China, Chinese Acad Sci, Sch Phys Sci, Key Lab Strongly Coupled Quantum Matter Phys, Hefei 230026, Anhui, Peoples R China
基金
中国国家自然科学基金;
关键词
Grain size; Luminescence properties; Macroscopic flexibility; Pure inorganic; LUMINESCENCE PROPERTIES; PR3+; PHOTOLUMINESCENCE; TEMPERATURE; PHOSPHORS; AFTERGLOW; LIGHT; FILMS;
D O I
10.1016/j.ceramint.2021.08.006
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Traditional inorganic materials exhibit rigidity owing to the lack of polymer chains in polymer materials or atom slipping in metals. However, nanometerization has been recently proposed for the conversion of inorganic oxide materials into flexible materials. Herein, the flexible inorganic luminescent material, CaTiO3:0.2%Pr3+, was synthesized through electrospinning, and the macroscopic flexibility of pure inorganic CaTiO3:0.2%Pr3+ was achieved. The flexible membrane was characterized via X-ray diffraction, thermogravimetry, scanning electron microscopy (SEM), and photoluminescence analyses. The grain size was analyzed at various calcination temperatures via SEM, and the results suggested that the increase in the calcination temperature resulted in the growth of crystal grains. Studies have reported that the growth of crystal grains is beneficial for improving the luminescence performance; however, to obtain better flexibility, smaller crystal grains are required. This study provides an important reference for the design of flexible inorganic materials.
引用
收藏
页码:31329 / 31336
页数:8
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