UM
Conquering Aggregation-Induced Solid-State Luminescence Quenching of Carbon Dots through a Carbon Dots-Triggered Silica Gelation Process
Zhou D.2; Li D.2; Jing P.2; Zhai Y.2; Shen D.2; Qu S.2; Rogach A.L.1
2017-02-28
Source PublicationChemistry of Materials
ISSN15205002 08974756
Volume29Issue:4Pages:1779-1787
AbstractAggregation-induced luminescence quenching of carbon dots (CDots) is the main obstacle for their applications in the solid state. Herein, we report a method to produce strongly luminescent CDots@silica composite gels with highly concentrated emitting centers, where the gelation of tetraethyl orthosilicate is initiated by the surface hydroxyl groups of CDots. The key feature of this approach is to prevent both the collision between high concentrated CDots in gelating solution and their aggregation upon drying. The resultant CDots@silica composite xerogel exhibits both high CDots loading fraction (19.2 wt %) and photoluminescence quantum yields (>40%).
DOI10.1021/acs.chemmater.6b05375
URLView the original
Language英語
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Cited Times [WOS]:90   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.City University of Hong Kong
2.Changchun Institute of Optics Fine Mechanics and Physics Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhou D.,Li D.,Jing P.,et al. Conquering Aggregation-Induced Solid-State Luminescence Quenching of Carbon Dots through a Carbon Dots-Triggered Silica Gelation Process[J]. Chemistry of Materials,2017,29(4):1779-1787.
APA Zhou D..,Li D..,Jing P..,Zhai Y..,Shen D..,...&Rogach A.L..(2017).Conquering Aggregation-Induced Solid-State Luminescence Quenching of Carbon Dots through a Carbon Dots-Triggered Silica Gelation Process.Chemistry of Materials,29(4),1779-1787.
MLA Zhou D.,et al."Conquering Aggregation-Induced Solid-State Luminescence Quenching of Carbon Dots through a Carbon Dots-Triggered Silica Gelation Process".Chemistry of Materials 29.4(2017):1779-1787.
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