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RGO/Nylon-6 composite mat with unique structural features and electrical properties obtained from electrospinning and hydrothermal process |
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| Authors: | Hem Raj Pant Bishweshwar Pant Chan Hee Park Han Joo Kim Dong Su Lee Leonard D Tijing Bo Sang Hwang Hak Yong Kim Cheol Sang Kim |
| Institution: | 1970. Department of Bionanosystem Engineering, Chonbuk National University, Jeonju, 561-756, Korea 2970. Engineering Science and Humanities Department, Institute of Engineering, Pulchowk Campus, Tribhuvan University, Kathmandu, Nepal 3970. Institute of Advanced Composite Materials, Korea Institute of Science and Technology, Wanju, 565-902, Korea 4970. Division of Mechanical Design Engineering, Chonbuk National University, Jeonju, 561-756, Korea 5970. Department of Organic Materials and Fiber Engineering, Chonbuk National University, Jeonju, 561-756, Korea |
| Abstract: | In this work, the reduced graphene oxide (RGO) sheets were effectively uploaded through nylon-6 fibers using combined process of electrospinning and hydrothermal treatment. Good dispersion of graphene oxide (GO) with nylon-6 solution could allow to upload GO sheets through nylon-6 fibers and facilitate the formation of spider-wave-like nano-nets during electrospinning. GO sheets present on/into nylon-6 spider-wave-like nano-nets were further reduced to RGO using hydrothermal treatment. The impregnated GO sheets into nylon-6 nanofibers and their reduction during hydrothermal treatment were confirmed by FE-SEM, TEM, FT-IR and Raman spectra. The electrical characteristics of pristine nylon-6, GO/nylon-6 and RGO/nylon-6 nanofibers were investigated and it was found that RGO/nylon-6 composite mat had better electrical conductivity than others. The formation of spider-wave-like nano-nets as well as indirect route of incorporation of RGO sheets on electrospun nylon-6 mat may open a new direction for future graphene/polymer electronics. |
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