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Multilevel Data Encryption Using Thermal-Treatment Controlled Room Temperature Phosphorescence of Carbon Dot Polyvinylalcohol Composites

文献类型：期刊论文

作者Tian, Z.; Li, D.; Ushakova, E. V.; Maslov, V. G.; Zhou, D.; Jing, P. T.; Shen, D. Z.; Qu, S. N.; Rogach, A. L.
刊名Advanced Science
出版日期2018
卷号5期号:9页码:7
关键词anti-counterfeiting carbon dots data encryption polyvinylalcohol matrix room temperature phosphorescence graphene quantum dots ink Chemistry Science & Technology - Other Topics Materials Science
ISSN号2198-3844
DOI10.1002/advs.201800795
英文摘要Thermal-treatment controlled room temperature phosphorescence is realized by embedding either originally synthesized carbon dots (CDs) or 200 degrees C thermal-treated CDs into a polyvinylalcohol (PVA) matrix through post-synthetic thermal annealing at 200 or 150 degrees C. The thermal-treatment controlled phosphorescence is attributed to the transfer of photoexcitation from the excited singlet state to the triplet state through intersystem crossing, followed by radiative transition to the ground state, which is due to decrease of quenchers (oxygen) in the CDs and suppression of the vibrational dissipations through the chemical bonding of CDs in the PVA matrix. Multilevel fluorescence/phosphorescence data encryption is demonstrated based on the thermal-treatment controlled phosphorescence from CD@PVA composites.
源URL[http://ir.ciomp.ac.cn/handle/181722/61067]  
专题中国科学院长春光学精密机械与物理研究所
推荐引用方式
GB/T 7714		 Tian, Z.,Li, D.,Ushakova, E. V.,et al. Multilevel Data Encryption Using Thermal-Treatment Controlled Room Temperature Phosphorescence of Carbon Dot Polyvinylalcohol Composites[J]. Advanced Science,2018,5(9):7.
APA Tian, Z..,Li, D..,Ushakova, E. V..,Maslov, V. G..,Zhou, D..,...&Rogach, A. L..(2018).Multilevel Data Encryption Using Thermal-Treatment Controlled Room Temperature Phosphorescence of Carbon Dot Polyvinylalcohol Composites.Advanced Science,5(9),7.
MLA Tian, Z.,et al."Multilevel Data Encryption Using Thermal-Treatment Controlled Room Temperature Phosphorescence of Carbon Dot Polyvinylalcohol Composites".Advanced Science 5.9(2018):7.

入库方式： OAI收割

来源：长春光学精密机械与物理研究所

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