Please use this identifier to cite or link to this item: https://doi.org/10.1002/smll.201000981
Title: Synthesis and superior optical-limiting properties of fluorene-thiophene- benzothiadazole polymer-functionalized graphene sheets
Authors: Midya, A. 
Mamidala, V.
Yang, J.-X. 
Ang, P.K.L. 
Chen, Z.-K.
Ji, W. 
Loh, K.P. 
Keywords: benzothiadazole
fluorene
graphene oxide
limiting thresholds
reduced graphene oxide
Issue Date: 18-Oct-2010
Citation: Midya, A., Mamidala, V., Yang, J.-X., Ang, P.K.L., Chen, Z.-K., Ji, W., Loh, K.P. (2010-10-18). Synthesis and superior optical-limiting properties of fluorene-thiophene- benzothiadazole polymer-functionalized graphene sheets. Small 6 (20) : 2292-2300. ScholarBank@NUS Repository. https://doi.org/10.1002/smll.201000981
Abstract: A polymer based on fluorene, thiophene, and benzothiadazole as the donor-spacer-acceptor triad is covalently coupled to reduced graphene oxide (rGO) sheets via diazonium coupling with phenyl bromide, followed by Suzuki coupling. These polymer-graphene hybrids show good solubility in organic solvents, such as chloroform, tetrahydrofuran (THF), toluene, dichlorobenzene, and N,N-dimethylformamide (DMF), and exhibit an excellent optical-limiting effect with a 532-nm laser beam. The optical-limiting threshold energy values (0.93 J cm2 for G-polymer 1 and 1.12 J cm2 for G-polymer 2) of these G-polymer hybrids are better than that of carbon nanotubes (3.6 J cm2). © Copyright 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Source Title: Small
URI: http://scholarbank.nus.edu.sg/handle/10635/95107
ISSN: 16136810
DOI: 10.1002/smll.201000981
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