Mechanically Excited Multicolor Luminescence in Lanthanide Ions 机翻标题: 暂无翻译,请尝试点击翻译按钮。

来源
Advanced Materials
年/卷/期
2019 / 31 / 7
页码
1807062.1-1807062.8
ISSN号
0935-9648
作者单位
City Univ Hong Kong, Dept Mat Sci & Engn, 83 Tat Chee Ave, Hong Kong, Peoples R China|City Univ Hong Kong, Shenzhen Res Inst, Shenzhen 518057, Peoples R China;Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China;City Univ Hong Kong, Dept Mat Sci & Engn, 83 Tat Chee Ave, Hong Kong, Peoples R China|City Univ Hong Kong, Shenzhen Res Inst, Shenzhen 518057, Peoples R China;City Univ Hong Kong, Dept Mat Sci & Engn, 83 Tat Chee Ave, Hong Kong, Peoples R China|City Univ Hong Kong, Shenzhen Res Inst, Shenzhen 518057, Peoples R China;Hong Kong Polytech Univ, Dept Appl Biol & Chem Technol, Hung Hom, Hong Kong, Peoples R China;Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China;City Univ Hong Kong, Dept Mat Sci & Engn, 83 Tat Chee Ave, Hong Kong, Peoples R China|City Univ Hong Kong, Shenzhen Res Inst, Shenzhen 518057, Peoples R China;
作者
Du, Yangyang;Jiang, Yue;Sun, Tianying;Zhao, Jianxiong;Huang, Bolong;Peng, Dengfeng;Wang, Feng;
摘要
Mechanoluminescence (ML) featuring photon emission by mechanical stimuli is promising for applications such as stress sensing, display, and artificial skin. However, the progress of utilizing ML processes is constrained by the limited range of available ML emission spectra. Herein, a general strategy for expanding the emission of ML through the use of lanthanide emitters is reported. A lithium-assisted annealing method for effective incorporation of various lanthanide ions (e.g., Tb3+, Eu3+, Pr3+, Sm3+, Er3+, Dy3+, Ho3+, Nd3+, Tm3+, and Yb3+) into CaZnOS crystals that are identified as one of the most efficient host materials for ML is developed. These doped CaZnOS crystals show efficient and tunable ML spanning full spectrum from violet to near infrared. The multicolor ML materials are used to create encrypted anticounterfeiting patterns, which produce spatially resolvable optical codes under single-point dynamic pressure of a ballpoint pen.
机翻摘要
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关键词/主题词
CaZnOS;lanthanides;mechanoluminescence;multicolor tuning;optical coding;
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