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author:

Zhan, Jing (Zhan, Jing.) [1] | Geng, Bijiang (Geng, Bijiang.) [2] | Wu, Kuan (Wu, Kuan.) [3] | Xu, Gang (Xu, Gang.) [4] | Wang, Liang (Wang, Liang.) [5] | Guo, Ruiyun (Guo, Ruiyun.) [6] | Lei, Bo (Lei, Bo.) [7] | Zheng, Fengfeng (Zheng, Fengfeng.) [8] | Pan, Dengyu (Pan, Dengyu.) [9] | Wu, Minghong (Wu, Minghong.) [10] (Scholars:吴明红)

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SCIE

Abstract:

We report a rational strategy for scalable production of highly fluorescent CQDs in high yields (50-92%) based on controlled molecule fusion of activated polycyclic aromatic hydrocarbon in environmentally friendly polar solvents. By simply varying the composition of reaction solvents, their bandgaps were systematically manipulated, enabling the adjustment of fluorescent emissions from blue to red. Similar to conventional organic-soluble quantum dots but distinct from extensively reported water-soluble CQDs, the CQDs engineered in polar solvents are highly soluble in organic solvents and possess main features of intrinsic bandgap transitions, including overlapping of absorption and excitation spectra, excitation-independence fluorescence, the inversely proportional relationship of the bandgaps with fluorescence peak wavelength, and mono-exponential fluorescence decay. What's more, the red-fluorescent CQDs were encapsulated by liposomes, providing good biocompatibility and excellent in vitro and in vivo imaging capabilities. (C) 2017 Elsevier Ltd. All rights reserved.

Keyword:

Community:

  • [ 1 ] [Zhan, Jing]Shanghai Univ, Shanghai Appl Radiat Inst, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
  • [ 2 ] [Wu, Kuan]Shanghai Univ, Shanghai Appl Radiat Inst, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
  • [ 3 ] [Xu, Gang]Shanghai Univ, Shanghai Appl Radiat Inst, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
  • [ 4 ] [Guo, Ruiyun]Shanghai Univ, Shanghai Appl Radiat Inst, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
  • [ 5 ] [Lei, Bo]Shanghai Univ, Shanghai Appl Radiat Inst, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
  • [ 6 ] [Wu, Minghong]Shanghai Univ, Shanghai Appl Radiat Inst, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
  • [ 7 ] [Geng, Bijiang]Shanghai Univ, Sch Environm & Chem Engn, Dept Chem Engn, Shanghai 200444, Peoples R China
  • [ 8 ] [Zheng, Fengfeng]Shanghai Univ, Sch Environm & Chem Engn, Dept Chem Engn, Shanghai 200444, Peoples R China
  • [ 9 ] [Pan, Dengyu]Shanghai Univ, Sch Environm & Chem Engn, Dept Chem Engn, Shanghai 200444, Peoples R China
  • [ 10 ] [Wang, Liang]Shanghai Univ, Inst Nanochem & Nanobiol, Shanghai 200444, Peoples R China

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Source :

CARBON

ISSN: 0008-6223

Year: 2018

Volume: 130

Page: 153-163

7 . 4 6 6

JCR@2018

1 0 . 5 0 0

JCR@2023

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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