石墨烯
环氧树脂
材料科学
纳米复合材料
量子点
傅里叶变换红外光谱
固化(化学)
热稳定性
纳米颗粒
光致发光
复合材料
聚合物纳米复合材料
纳米技术
化学工程
光电子学
工程类
作者
Abbas Madhi,Behzad Shirkavand Hadavand
标识
DOI:10.1080/25740881.2021.1959929
摘要
This study aims to investigate the reinforcing effects of graphene quantum dots on various properties of epoxy resins. To do this, graphene quantum dots were synthesized, then, characterized by various spectroscopic methods. These nanoparticles including several weight percentages along with a curing agent were added to epoxy resin. Finally, fluorescent epoxy graphene quantum dots nanocomposites were prepared. FTIR, photoluminescence, UV-visible absorption, FESEM, TGA, tensile testing and DMTA analysis were used to characterize the resultant nanocomposites. Findings evinced that adding graphene quantum dots to the epoxy resin led to an improvement of thermal stability, mechanical features, and viscoelastic properties of nanocomposites.
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