Department of Chemistry, Qom University of Technology, Qom, Iran.
Department of Chemistry, Faculty of Science, University of Jiroft, 7867161167, Jiroft, Iran.
Environ Sci Pollut Res Int. 2022 Aug;29(36):54688-54697. doi: 10.1007/s11356-022-19671-4. Epub 2022 Mar 19.
In this research, a novel synthesis of CaO nanoparticles via a green, environmentally, and economical method is developed. Crataegus pontica C.Koch leaves extract was used as a green reducing and stabilizing agent to synthesize the calcium oxide nanoplates ranging from 40 to 65 nm. The synthesized CaO NPs are characterized by scanning electron microscopy (SEM), X-ray powder diffraction (XRD), transmission electron microscopy (TEM), and Fourier transform infrared (FT-IR) spectroscopy. The CaO NPs were evaluated successfully for photocatalytic degradation of methylene blue (MB) dye with 98.99% degradation efficiency under sunlight by a simple technique. The recoverability and reusability of the CaO photocatalyst were considered under the optimized reaction conditions, which are showed high chemical stability after at least five runs.
在这项研究中，开发了一种通过绿色、环保和经济的方法合成 CaO 纳米粒子的新方法。山楂叶提取物被用作绿色还原剂和稳定剂，用于合成尺寸在 40 至 65nm 之间的氧化钙纳米板。合成的 CaO NPs 通过扫描电子显微镜（SEM）、X 射线粉末衍射（XRD）、透射电子显微镜（TEM）和傅里叶变换红外（FT-IR）光谱进行了表征。通过简单的技术，CaO NPs 成功地用于光催化降解亚甲基蓝（MB）染料，在阳光下的降解效率达到 98.99%。在优化的反应条件下，考虑了 CaO 光催化剂的可回收性和可重复使用性，其在至少五次运行后仍表现出高化学稳定性。
