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Portable and writable photoluminescent chalk for on-site information protection on arbitrary substrates
Chen, Fei-Fei; Zhu, Ying-Jie; Zhang, Yong-Gang; Yang, Ri-Long; Yu, Han-Ping; Qin, Dong-Dong; Xiong, Zhi-Chao
2019-08-01
Source PublicationCHEMICAL ENGINEERING JOURNAL
ISSN1385-8947
Volume369Pages:766
SubtypeArticle
AbstractInformation protection is particularly important for secure communication between parties, avoiding the leakage of secret information to unknown parties. Among various strategies used for information protection in the previous reports in the literature, security inks made from photoluminescent materials are the most widely investigated. The security inks suffer from the drawbacks such as lack of universality on various substrates. In this work, we provide a promising new complement to the security ink-based protection techniques. We report a kind of portable photoluminescent chalk made from lanthanide-doped ultralong hydroxyapatite nanowires, which can directly write the covert information at anytime and anyplace on arbitrary surfaces and substrates including paper sheets, metals, fabrics, plastics, woods, walls, foams, leaves, and even human body. The as-written original information cannot be recognized under the ambient light, but it is readable upon exposure to the ultraviolet light. In this work, the dual and triple encryption strategies are also provided for the high-level information protection. It is expected that the versatile, convenient, and user-friendly strategy demonstrated herein is promising for the on-site secret information protection.
KeywordHydroxyapatite Nanowire Luminescence Chalk Data encryption
DOI10.1016/j.cej.2019.03.153
Language英语
WOS Research AreaEngineering
PublisherELSEVIER SCIENCE SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/26957
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Chen, Fei-Fei,Zhu, Ying-Jie,Zhang, Yong-Gang,et al. Portable and writable photoluminescent chalk for on-site information protection on arbitrary substrates[J]. CHEMICAL ENGINEERING JOURNAL,2019,369:766.
APA Chen, Fei-Fei.,Zhu, Ying-Jie.,Zhang, Yong-Gang.,Yang, Ri-Long.,Yu, Han-Ping.,...&Xiong, Zhi-Chao.(2019).Portable and writable photoluminescent chalk for on-site information protection on arbitrary substrates.CHEMICAL ENGINEERING JOURNAL,369,766.
MLA Chen, Fei-Fei,et al."Portable and writable photoluminescent chalk for on-site information protection on arbitrary substrates".CHEMICAL ENGINEERING JOURNAL 369(2019):766.
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