Lee, Jae Won Kim, Sung-Soo Lee, Min Wook Hwang, Jun Yeon Moon, Sook Young 2024-01-19T09:30:54Z 2024-01-19T09:30:54Z 2023-07-06 2023-06 https://pubs.kist.re.kr/handle/201004/113650 A carbon nanotube (CNT)/epoxy nanocomposite was preparedusinga photochemical surface modification process of CNTs. The vacuum ultraviolet(VUV)-excimer lamp treatment created reactive sites on the CNT surface.Increasing the irradiation time increased the oxygen functional groupsand changed the oxygen bonding state such as C O, C-O,and -COOH. By the VUV-excimer irradiation on CNTs, the epoxyinfiltrated well between the CNT bundles and formed a strong chemicalbond between CNT and epoxy. The tensile strength and elastic modulusof the nanocomposites with VUV-excimer irradiated sample during 30min (R30) were found to increase by 30 and 68% compared to using pristineCNT, respectively. R30 was not pulled out and remained embedded inthe matrix until the fracture occurred. The VUV-excimer irradiationis an effective surface modification and functionalization methodfor improving the mechanical properties of CNT nanocomposite materials. English ACS Publications High-Strength Epoxy Nanocomposites Reinforced with Photochemically Treated CNTs Article 10.1021/acsomega.3c01537 1 ACS Omega, v.8, no.22, pp.19789 - 19797 ACS Omega 8 22 19789 19797 Y scie scopus 001011838900001 2-s2.0-85162862749 Chemistry, Multidisciplinary Chemistry Article RAMAN-SPECTROSCOPY OXIDATION FUNCTIONALIZATION INTEGRATION COMPOSITES ADSORPTION COVALENT POLYMER FIBERS WALLED CARBON NANOTUBES