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dc.contributor.authorWang, Liang
Li, Weitao
Yin, Luqiao
Liu, Yijian
Guo, Huazhang
Lai, Jiawei
Han, Yu
Li, Gao
Li, Ming
Zhang, Jianhua
Vajtai, Robert
Ajayan, Pulickel M.
Wu, Minghong
dc.date.accessioned 2020-11-06T02:02:48Z
dc.date.available 2020-11-06T02:02:48Z
dc.date.issued 2020
dc.identifier.citation Wang, Liang, Li, Weitao, Yin, Luqiao, et al.. "Full-color fluorescent carbon quantum dots." Science Advances, 6, no. 40 (2020) AAAS: https://doi.org/10.1126/sciadv.abb6772.
dc.identifier.urihttps://hdl.handle.net/1911/109519
dc.description.abstract Quantum dots have innate advantages as the key component of optoelectronic devices. For white light–emitting diodes (WLEDs), the modulation of the spectrum and color of the device often involves various quantum dots of different emission wavelengths. Here, we fabricate a series of carbon quantum dots (CQDs) through a scalable acid reagent engineering strategy. The growing electron-withdrawing groups on the surface of CQDs that originated from acid reagents boost their photoluminescence wavelength red shift and raise their particle sizes, elucidating the quantum size effect. These CQDs emit bright and remarkably stable full-color fluorescence ranging from blue to red light and even white light. Full-color emissive polymer films and all types of high–color rendering index WLEDs are synthesized by mixing multiple kinds of CQDs in appropriate ratios. The universal electron-donating/withdrawing group engineering approach for synthesizing tunable emissive CQDs will facilitate the progress of carbon-based luminescent materials for manufacturing forward-looking films and devices.
dc.language.iso eng
dc.publisher AAAS
dc.rights This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial license, which permits use, distribution, and reproduction in any medium, so long as the resultant use is not for commercial advantage and provided the original work is properly cited.
dc.rights.urihttps://creativecommons.org/licenses/by-nc/4.0/
dc.title Full-color fluorescent carbon quantum dots
dc.type Journal article
dc.citation.journalTitle Science Advances
dc.citation.volumeNumber 6
dc.citation.issueNumber 40
dc.type.dcmi Text
dc.identifier.doihttps://doi.org/10.1126/sciadv.abb6772
dc.type.publication publisher version
dc.citation.articleNumber eabb6772


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