Carbon-based dots co-doped with nitrogen and sulfur for high quantum yield and excitation-independent emission - Details

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Abstract：

Helpful　elements:　A　facile　bottom-up　method　using　citric　acid　and　L-cysteine　as　a　precursor　has　been　developed　to　prepare　graphene　quantum　dots　(GQDs)　co-doped　with　nitrogen　and　sulfur.　A　new　type　and　high　density　of　surface　state　of　GQDs　arises,　leading　to　high　yields　(more　than　70　%)　and　excitation-independent　emission.　FLQY=fluorescence　quantum　yield.　Copyright　©　2013　WILEY-VCH　Verlag　GmbH　&　Co.　KGaA,　Weinheim.

Keyword：

doped materials; graphene; nitrogen; quantum dots; sulfur

Community：

[ 1 ] [Dong, Y.]School of Chemical and Biomedical Engineering, Center for Advanced Bionanosystems, Nanyang Technological University, Singapore 637457, Singapore
[ 2 ] [Dong, Y.]Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
[ 3 ] [Pang, H.]School of Chemical and Biomedical Engineering, Center for Advanced Bionanosystems, Nanyang Technological University, Singapore 637457, Singapore
[ 4 ] [Yang, H.B.]School of Chemical and Biomedical Engineering, Center for Advanced Bionanosystems, Nanyang Technological University, Singapore 637457, Singapore
[ 5 ] [Guo, C.]School of Chemical and Biomedical Engineering, Center for Advanced Bionanosystems, Nanyang Technological University, Singapore 637457, Singapore
[ 6 ] [Guo, C.]Department of Physics, Faculty of Science, Nanyang Technological University, Singapore 117542, Singapore
[ 7 ] [Shao, J.]College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350108, China
[ 8 ] [Chi, Y.]College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350108, China
[ 9 ] [Li, C.M.]School of Chemical and Biomedical Engineering, Center for Advanced Bionanosystems, Nanyang Technological University, Singapore 637457, Singapore
[ 10 ] [Li, C.M.]Institute for Clean Energy and Advanced Materials, Southwest University, Chongqing 400715, China
[ 11 ] [Li, C.M.]Chongqing Key Laboratory for Advanced Materials and Technologies of Clean Energies, Chongqing 400715, China
[ 12 ] [Yu, T.]Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
[ 13 ] [Yu, T.]Department of Physics, Faculty of Science, Nanyang Technological University, Singapore 117542, Singapore

Reprint 's Address：

[Li, C.M.]School of Chemical and Biomedical Engineering, Center for Advanced Bionanosystems, Nanyang Technological University, Singapore 637457, Singapore

Email：

ecmli@swu.edu.cn

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Source ：

Angewandte Chemie - International Edition

ISSN： 1433-7851

Year： 2013

Issue： 30

Volume： 52

Page： 7800-7804

1 1 . 3 3 6

JCR@2013

1 6 . 1 0 0

JCR@2023

JCR Journal Grade：1

CAS Journal Grade：1

Cited Count：

WoS CC Cited Count：

30 Days PV： 1

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