Supplemental Material
Fluorinated Graphene Oxide for Enhanced S and X-band Microwave Absorption
P. M. Sudeep1,4, S. Vinayasree1,5, P. Mohanan2, P. M. Ajayan3, T. N. Narayanan4 and M. R.
Anantharaman1*
1
Department of Physics, Cochin University of Science and Technology, Kochi-682022, Kerala,
India
2 Department
of Electronics, Cochin University of Science and Technology, Kochi-682022,
Kerala, India
3Materials
4TIFR-
Science and NanoEngineering Department, Rice University, Houston, TX, USA
Centre for Interdisciplinary Sciences, Tata Institute of Fundamental Research,
Hyderabad-500075, India.
5
Government Polytechnic College, Thirurangadi, Velimukku P.O., Malappuram-676317,
Kerala, India
*Corresponding author. Tel: +91-484-2577404/ (ext.: 26). Email: mraiyer@yahoo.com (M. R.
Anantharaman)
FIG.S1. XPS analysis of (A) FGO and (B) HFGO
Material
1
PU-SWCNT
Maximum
Reflection
Loss (dB)
-22
Thickness
(mm)
Frequency
(GHz)
Reference
2
8.8
1
2
PET-MWCNT
-17
2
7.6
2
3
Epoxy-MWCNT-Fe
-24.8
1.2
11
3
4
Epoxy-MWCNT
-22.9
1
11.4
4
5
NR-CB-Carbonyl Iron
-23.3
4
14.5
5
6
RGO
-10
16
6
7
RGO-Fe3O4
-23
17
6
8
Fe3O4
-5
1.5
17
7
9
Fe3O4-Carbon core shell
-28
2
15
8
10
RGO-Fe3O4
-28
4
8
9
11
RGO-Fe3O4
-7.5
4
2.9
10
12
RGO-Fe3O4
-21
3
8.1
11
13
GO
-28.5
5
2.6
Our paper
14
FGO
-37
6.5
3.2
Our Paper
15
HFGO
-31
6
2.8
Our Paper
PU-Polyurethane, SWCNT-Single walled carbon nanotube, Fe-Iron, NR-Natural rubber, CBCarbon black, RGO-Reduced graphene oxide, GO-Graphene oxide, FGO-Fluorinated graphene
oxide, HFGO-Highly fluorinated graphene oxide.
Table S1: Brief summary of the absorption properties for the various polymer composites,
carbonaceous particles, magnetic particles in comparison with fluorinated graphene systems.
Reference:
1. Z. Liu, G. Bai, Y. Huang, F. Li, Y. Ma, T. Guo, X. He, X. Lin, H. Gao, Y. Chen. J. Phys.
Chem. C 111, 13696 (2007).
2. Z. J. Fan, G. H. Luo, Z. F. Zhang, L. Zhou, and F. Wei, Mater. Sci. Eng. B 132, 85
(2006).
3. R. C. Che, L. M. Peng, X. F. Duan, Q. Chen, and X. L. Liang, Adv. Mater. 16, 401
(2004).
4. D. L. Zhao, X. Li, and Z. M. Shen, Mater. Sci. Eng. B 150, 105 (2008).
5. M. Wang, Y. P. Duan, S. H. Liu, X. G. Li, and Z. J. Ji, J. Magn. Magn. Mater. 321, 3442
(2009).
6. E. Ma, J. Li, N. Zhao, E. Liu, C. He, C. Shi, Mater. Lett 91, 209–212 (2013)
7. J. Zheng, H. Lv, X. Lin, G. Ji, X. Li, Y. Du, J. Alloys and Compounds 589, 174–181
(2014).
8. Y. Chen, G. Xiao, T. Wang, Q. Ouyang, L. Qi, Y. Ma, P. Gao, C. Zhu, M. Cao, H. Jin. J.
Phys. Chem. C, 115, 13603–13608 (2011).
9. C. Hu, Z. Mou, G. Lu, N. Chen, Z. Dong, M. Hua. L. Qu, Phys.Chem. Chem. Phys., 15,
13038 (2013).
10. X. Sun, J He, G. Li, J. Tang, T. Wang, Y. Guo, H. Xue, J. Mater. Chem. C, 1, 765,
(2013).
11. F. Qin, C. Brosseau, J. Appl. Phys. 111, 061301 (2012).
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