Poly(9,9'-diheylfluorene carbazole) functionalized with reduced graphene oxide: Convenient synthesis using nitrogen-based nucleophiles and potential applications in optical limiting - Details

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Abstract：

Covalently　functionalized　reduced　graphene　oxide　(RGO)　sheet　was　prepared　by　treating　nitrogen-centered　anions　generated　from　poly(9,9＇-diheylfluorene　carbazole)　(PCF)　with　GO.　The　resultant　hybrids　with　different　chemical　behavior　were　separated　by　centrifugation.　The　covalent　modification　was　fully　characterized　by　IR　spectroscopy,　UV/Vis　spectroscopy,　thermogravimetric　analysis　(TGA),　Raman　spectroscopy,　TEM,　and　SEM.　It　was　found　that　RGO-PCF-s,　the　soluble　part,　was　split　into　small　platelets　with　a　size　of　about　200　nm,　and　the　hydrophobic　polymer　PCF　became　hydrophilic　after　wrapping　by　RGO.　The　content　of　RGO　in　RGO-PCF-s　was　about　11.9　%,　and　the　hybrid　material　showed　good　dispersion　stability　in　water.　Besides,　RGO-PCF-i,　the　insoluble　part,　with　larger　size,　displayed　excellent　optical-limiting　response,　in　which　both　nonlinear　absorption　and　nonlinear　scattering　play　important　roles.　As　nitrogen-centered　anions　are　an　important　type　of　intermediates　in　chemistry,　this　one-step　＂grafting-to＂　strategy　could　be　used　to　obtain　RGO-based　materials　with　different　applications.　Copyright　©　2012　WILEY-VCH　Verlag　GmbH　&　Co.　KGaA,　Weinheim.

Keyword：

graphene; nitrogen-centered anions; nonlinear optics; nucleophilic addition; polymers

Community：

[ 1 ] [Xu, X.]Department of Chemistry, Wuhan University, Wuhan 430072, China
[ 2 ] [Chen, J.]Department of Chemistry, Wuhan University, Wuhan 430072, China
[ 3 ] [Luo, X.]Department of Chemistry, Beijing Normal University, Beijing 100875, China
[ 4 ] [Lu, J.]College of Materials Science and Engineering, Fuzhou University, Fuzhou 350002, China
[ 5 ] [Zhou, H.]State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
[ 6 ] [Wu, W.]Department of Chemistry, Wuhan University, Wuhan 430072, China
[ 7 ] [Zhan, H.]College of Materials Science and Engineering, Fuzhou University, Fuzhou 350002, China
[ 8 ] [Dong, Y.]Department of Chemistry, Beijing Normal University, Beijing 100875, China
[ 9 ] [Yan, S.]State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
[ 10 ] [Qin, J.]Department of Chemistry, Wuhan University, Wuhan 430072, China
[ 11 ] [Li, Z.]Department of Chemistry, Wuhan University, Wuhan 430072, China

Reprint 's Address：

[Li, Z.]Department of Chemistry, Wuhan University, Wuhan 430072, China

Email：

lizhen@whu.edu.cn

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Source ：

Chemistry - A European Journal

ISSN： 0947-6539

Year： 2012

Issue： 45

Volume： 18

Page： 14384-14391

5 . 8 3 1

JCR@2012

3 . 9 0 0

JCR@2023

JCR Journal Grade：1

CAS Journal Grade：2

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WoS CC Cited Count：

SCOPUS Cited Count： 32

ESI Highly Cited Papers on the List： 0 Unfold All

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Chinese Cited Count：

30 Days PV： 1

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