Graphene oxide/poly(acrylic acid) hydrogel by gamma-ray pre-irradiation on graphene oxide surface
- Authors
- Lee, Sungyoung; Lee, Hoik; Sim, Jae Hyun; Sohn, Daewon
- Issue Date
- Feb-2014
- Publisher
- SPRINGER
- Keywords
- graphene oxide; hydrogel; poly(acrylic acid); gamma-ray; hybrid gel
- Citation
- MACROMOLECULAR RESEARCH, v.22, no.2, pp.165 - 172
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- MACROMOLECULAR RESEARCH
- Volume
- 22
- Number
- 2
- Start Page
- 165
- End Page
- 172
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/143624
- DOI
- 10.1007/s13233-014-2025-x
- ISSN
- 1598-5032
- Abstract
- Graphene oxide/poly(acrylic acid) (GO/PAA) hybrid hydrogel was prepared using a gamma-ray pre-irradiation technique. The functional groups in graphene oxide were modified to peroxide in an O-2 environment with gamma-ray radiation. Radical species from the thermal decomposition of peroxides initiated radical polymerization of the acrylic acid monomers. Modified GO and GO/PAA hydrogels were investigated using scanning electron microscopy and Fourier transform infrared (FTIR), Raman, and electron spin resonance spectroscopy. The thermal, mechanical, and swelling properties of GO/PAA hydrogel were studied by a tensile stress-strain curve and thermal gravimetric analysis. A genuine binary hybrid hydrogel of graphene oxide and PAA was obtained from a simple synthetic procedure based on gamma-ray pre-irradiation without further additives.
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