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Synthesis and characterization of covalently-grafted
graphene-polyaniline nanocomposites and its use in a
supercapacitor
Mukesh Kumar,1 Kuldeep Singh,1 Sundeep K. Dhawan,2 Kannan Tharanikkarasu,3 Jin Suk
Chung,1 Byung-Seon Kong,4 Seung Hyun Hur1,*
1School of Chemical Engineering and Bioengineering, University of Ulsan, Daehakro 102,
Namgu, Ulsan, 680-749, Korea.
2Polymeric & Soft Materials Section, National Physical Laboratory, New Delhi –110 012, India.
3Department of Chemistry, Pondicherry University (Central University), R V Nagar, Kalapet,
Puducherry - 605 014, India.
4Advanced Energy Materials Team, KCC Central Research Institute, Kyunggi-do 446-912,
Korea
* Corresponding author, E-mail: [email protected]
Figure S1. UV-Vis plots of (a) GO, (b) DGO-COOH, (c) RDG-NH2, (d) PANI, (e) RDG-PANI-
2
Figure S2: N1s core level XPS spectrum of RDG-PANI-2.
Figure S3. TGA thermograms for (a) graphite, (b) GO, (c) DGO-COOH, (d) RDG-NH2, (e)
PANI (f) RDG-PANI-2.
Figure S4: CV curves at different scan rates for (a) RDG-NH2 (b) PANI (c) RDG-PANI-2 (d) RDG-PANI-4
Figure S5: Dependency of specific capacitance as a function of scan rates studied by CV measurements.