|  J. Yuan, X. Liu, O. Akbulut, et al., Superwetting nanowire membranes for selective absorption, Nat. Nanotechnol. 3(6) (2008) 332-336. Z.C. Ma, L.M. Wang, D.Q. Chu, et al., Fabrication of an α-MoO3 nanobelt membrane showing a three-dimensional cross-linked nano-scale network structure for water and oil mixture separation, RSC Adv. 5(35) (2015) 27398-27401. R. Arora, K. Balasubramanian, Hierarchically porous PVDF/nano-SiC foam for distant oil-spill cleanups, RSC Adv. 4(96) (2014) 53761-53767. W. Liang, Y. Liu, H. Sun, et al., Robust and all-inorganic absorbent based on natural clay nanocrystals with tunable surface wettability for separation and selective absorption, RSC Adv. 4(24) (2014) 12590-12595. X. Gui, H. Li, K. Wang, et al., Recyclable carbon nanotube sponges for oil absorption, Acta Mater. 59(12) (2011) 4798-4804. H. Wang, Y. Gong, Y. Wang, Cellulose-based hydrophobic carbon aerogels as versatile and superior adsorbents for sewage treatment, RSC Adv. 4(86) (2014) 45753-45759. C.F. Wang, S.J. Lin, Robust superhydrophobic/superoleophilic sponge for effective continuous absorption and expulsion of oil pollutants from water, ACS Appl. Mater. Interfaces 5(18) (2013) 8861-8864. Z.Y. Wu, C. Li, H.W. Liang, et al., Carbon nanofiber aerogels for emergent cleanup of oil spillage and chemical leakage under harsh conditions, Sci. Rep. 4(2014) 4079. Y. Gao, Y.S. Zhou, W. Xiong, et al., Highly efficient and recyclable carbon soot sponge for oil cleanup, ACS Appl. Mater. Interfaces 6(8) (2014) 5924-5929. H. Bi, X. Huang, X. Wu, et al., Carbon microbelt aerogel prepared by waste paper:an efficient and recyclable sorbent for oils and organic solvents, Small 10(17) (2014) 3544-3550. Y. Yang, Q. Zhang, S. Zhang, et al., Triphenylamine-containing microporous organic copolymers for hydrocarbons/water separation, RSC Adv. 4(11) (2014) 5568-5574. L. Peng, H. Li, Y. Zhang, et al., A superhydrophobic 3D porous material for oil spill cleanup, RSC Adv. 4(87) (2014) 46470-46475. X. Gui, Z. Zeng, Z. Lin, et al., Magnetic and highly recyclable macroporous carbon nanotubes for spilled oil sorption and separation, ACS Appl. Mater. Interfaces 5(12) (2015) 5845-5850. J.N. Wang, Y.L. Zhang, Y. Liu, et al., Recent developments in superhydrophobic graphene and graphene-related materials:from preparation to potential applications, Nano 7(16) (2015) 7101-7114. F. Zhao, L. Liu, F. Ma, et al., Candle soot coated nickel foam for facile water and oil mixture separation, RSC Adv. 4(14) (2014) 7132-7135. L. Zhang, J. Wu, X. Zhang, et al., Multifunctional, marvelous polyimide aerogels as highly efficient and recyclable sorbents, RSC Adv. 5(17) (2015) 12592-12596. C. Chen, R. Li, L. Xu, et al., Three-dimensional superhydrophobic porous hybrid monoliths for effective removal of oil droplets from the surface of water, RSC Adv. 4(33) (2014) 17393-17400. P. Xi, L. Huang, Z. Xu, et al., Low cost and robust soot dipped polyurethane sponge for highly efficient and recyclable oil and organic solvent cleanup, RSC Adv. 4(103) (2014) 59481-59485. D. Wu, W. Wu, Z. Yu, et al., Facile preparation and characterization of modified polyurethanesponge foroilabsorption, Ind. Eng. Chem. Res.53(52)(2014)20139-20144. Y. Liu, J. Ma, T. Wu, et al., Cost-effective reduced graphene oxide-coated polyurethane sponge as a highly efficient and reusable oil-absorbent, ACS Appl. Mater. Interfaces 5(20) (2013) 10018-10026. A.K. Geim, K.S. Novoselov, The rise of grapheme, Nat. Mater. 6(3) (2007) 183-191. S. Pei,H.M. Cheng,Thereduction of grapheneoxide, Carbon50(9)(2012)3210-3228. A. Mariconda, P. Longo, A. Agovino, et al., Synthesis of ruthenium catalysts functionalized graphene oxide for self-healing applications, Polymer 69(2015) 330-342. P. Singhal, W. Small, E. Cosgriff-Hernandez, et al., Low density biodegradable shape memory polyurethane foams for embolic biomedical applications, Acta Biomater. 10(1) (2014) 67-76. B. Yu, X. Wang, W. Xing, et al., Enhanced thermal and mechanical properties of functionalized graphene/thiol-ene systems by photopolymerization technology, Chem. Eng. J. 228(2013) 318-326. D.A. Middleton, J.Madine, V.Castelletto, et al., Insightsintothemolecular architecture of a peptide nanotube using FTIR and solid-state NMR spectroscopic measurements on an aligned sample, Angew. Chem. Int. Ed. 52(40) (2013) 10537-10540. S. Dai, Q. Ma, T. Andersen, et al., Subdiffractional focusing and guiding of polaritonic rays in a natural hyperbolic material, Nat. Commun. 6(2015). V. Chabot, D. Higgins, A. Yu, et al., A review of graphene and graphene oxide sponge:material synthesis and applications to energy and the environment, Energy Environ. Sci. 7(5) (2014) 1564-1596. I.A. Larmour, S.E.J. Bell, G.C. Saunders, Remarkably simple fabrication of superhydrophobic surfaces using electroless galvanic deposition, Angew. Chem. Int. Ed. 46(10) (2007) 1710-1712. A. Li, H.X. Sun, D.Z. Tan, et al., Superhydrophobic conjugated microporous polymers for separation and adsorption, Energy Environ. Sci. 4(6) (2011) 2062-2065.