蜡烛炭纳米颗粒的制备及其先进的光谱方法表征

Mohammad Abul Hossain, Shahidul Islam
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引用次数: 1

摘要

本文研究了在可控供气条件下,利用蜡烛的不完全燃烧制备纳米碳颗粒(CNp)。采用扫描电子显微镜(SEM)、能量色散x射线(EDX)、x射线衍射仪(XRD)、傅里叶变换红外光谱(FTIR)和激光诱导击穿光谱(LIBS)对制备的碳颗粒的形状、大小和纯度进行了研究。扫描电镜观察到碳颗粒尺寸不均匀。大多数颗粒呈球形,直径在10 ~ 70纳米之间。EDX分析证实了碳颗粒的形成。通过XRD分析发现,碳材料主要为无定形,除了一些六方晶格的石墨。红外光谱分析表明,制备的纳米颗粒中可能存在氧和碳。LIBS分析证实,在所制备的纳米颗粒中存在微量(< 0.01 wt%)的氧作为碳的杂质。达卡大学学报(自然科学版),69(3):212-217,2022 (6)
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Preparation of Carbon Nanoparticles from Candle and Their Characterization by Advanced Spectroscopic Methods
This study presents the preparation of carbon nanoparticles (CNp) from incomplete combustion of the candle under a controlled air supply. The shape, size, and purity of the prepared carbon particles were investigated by using a scanning electron microscope (SEM), energy dispersive x-ray (EDX), X-ray diffractometer (XRD), Fourier transformed infrared spectroscopy (FTIR), and laser-induced breakdown spectroscopy (LIBS). Non-uniformed size of carbon particles was observed by SEM studies. Most of the particles are spherical and the diameter is in the range between 10 and 70 nm. The formation of carbon particles was affirmed by EDX analysis. Mostly amorphous carbon material, in addition to some hexagonal crystal lattice of graphite, was identified by XRD analysis. FTIR spectroscopic analysis indicated the possible presence of oxygen with carbon in the prepared nanoparticles. LIBS analysis confirmed the existence of trace amount (< 0.01 wt%) of oxygen as an impurity with carbon in the prepared nanoparticles. Dhaka Univ. J. Sci. 69(3): 212-217, 2022 (June)
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