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Molecular Glue Strategy: Large-Scale Conversion of Clustering-Induced Emission Luminogen to Carbon Dots.

  • Academic Journal
  • Wang P; Key Laboratory of Bio-based Material Science and Technology of Ministry of Education , Northeast Forestry University , Harbin 150040 , P. R. China.
    Liu C; Key Laboratory of Bio-based Material Science and Technology of Ministry of Education , Northeast Forestry University , Harbin 150040 , P. R. China.
    Tang W; State Key Laboratory of Chemical Engineering and School of Chemical Engineering , East China University of Science and Technology , Shanghai 200237 , P. R. China.
    Ren S; Key Laboratory of Bio-based Material Science and Technology of Ministry of Education , Northeast Forestry University , Harbin 150040 , P. R. China.
    Chen Z; Key Laboratory of Bio-based Material Science and Technology of Ministry of Education , Northeast Forestry University , Harbin 150040 , P. R. China.
    Guo Y; Key Laboratory of Bio-based Material Science and Technology of Ministry of Education , Northeast Forestry University , Harbin 150040 , P. R. China.
    Rostamian R; Department of Physical Chemistry, School of Chemistry, University College of Science , University of Tehran , Tehran 14155 , Iran.
    Zhao S; State Key Laboratory of Chemical Engineering and School of Chemical Engineering , East China University of Science and Technology , Shanghai 200237 , P. R. China.
    Li J; Key Laboratory of Bio-based Material Science and Technology of Ministry of Education , Northeast Forestry University , Harbin 150040 , P. R. China.
    Liu S; Key Laboratory of Bio-based Material Science and Technology of Ministry of Education , Northeast Forestry University , Harbin 150040 , P. R. China.
    Li S; Key Laboratory of Bio-based Material Science and Technology of Ministry of Education , Northeast Forestry University , Harbin 150040 , P. R. China.
  • ACS applied materials & interfaces [ACS Appl Mater Interfaces] 2019 May 29; Vol. 11 (21), pp. 19301-19307. Date of Electronic Publication: 2019 May 15.
  • English
  • Carbon dots have wide applications in bioimaging, encryption, sensing, and light-emitting devices, but most preparations of carbon dots require complicated separation and purification steps. Here, a clustering-induced emission luminogen, sodium alginate, was covalently "glued" by ethylenediamine to prepare carbon dots on a 100 g scale, without any separation or purification. The conversion yield was as high as 94.7%. Theoretical calculations suggested that the fluorescence emission of as-prepared carbon dots (N-CDs) was mainly attributable to through-space conjugation between oxygen atoms and carbonyl moieties. The N-CDs were shown to have applications as a fluorescent ink for encryption and as a phosphor for white light-emitting diodes. This work provides a convenient method for the large-scale preparation of carbon dots and a new understanding of fluorescent emission of carbon dots.
Additional Information
Publisher: American Chemical Society Country of Publication: United States NLM ID: 101504991 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1944-8252 (Electronic) Linking ISSN: 19448244 NLM ISO Abbreviation: ACS Appl Mater Interfaces Subsets: PubMed not MEDLINE
Original Publication: Washington, D.C. : American Chemical Society
Keywords: carbon dots; clustering-induced emission; inter-space conjugation; large-scale preparation; molecular glue
Date Created: 20190508 Latest Revision: 20191120
20220902
10.1021/acsami.8b22605
31062574

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