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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.1c02973
|2 doi
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|a eng
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| 100 |
1 |
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|a Li, Tengfei
|e verfasserin
|4 aut
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|a Long-Lived Color-Tunable Room-Temperature Phosphorescence of Boron-Doped Carbon Dots
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|c 2022
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|a Text
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|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 22.02.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Carbon dots (CDs) with long-lived room-temperature phosphorescence (RTP) or long afterglow properties draw much attention. However, most room-temperature phosphorescent materials are metal containing, and the exploitation of long-lived color-tunable RTP materials faces great challenges. Here, we report metal-free boron-doped CDs (B-CDs) for room-temperature phosphorescence with tunable color and an ultralong lifetime. B-CDs were obtained by simply calcining a mixture of boric acid and 1,3,5-benzenetricarboxylic acid in the atmosphere. The as-prepared B-CDs were characterized through UV-vis spectroscopy, photoluminescence spectroscopy, and so forth. Under the excitation of 310 nm UV light, B-CDs show RTP that appears as blue with a phosphorescence lifetime of 1042 ms, and after switching the excited wavelength to 365 nm, the RTP appears as green with a phosphorescence lifetime of 590 ms. Due to the unique RTP properties, B-CDs display promising applications in anticounterfeiting and information encryption
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|a Journal Article
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|a Wu, Chuanguang
|e verfasserin
|4 aut
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1 |
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|a Yang, Mingsheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Bowen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yan, Xiaorong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhu, Xiaoran
|e verfasserin
|4 aut
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| 700 |
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|a Yu, Haiping
|e verfasserin
|4 aut
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| 700 |
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|a Hu, Mingjun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Jun
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 38(2022), 7 vom: 22. Feb., Seite 2287-2293
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:38
|g year:2022
|g number:7
|g day:22
|g month:02
|g pages:2287-2293
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|u http://dx.doi.org/10.1021/acs.langmuir.1c02973
|3 Volltext
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