纳米复合材料
傅里叶变换红外光谱
材料科学
壳聚糖
核化学
光催化
锌
化学工程
扫描电子显微镜
透射电子显微镜
化学
纳米技术
有机化学
复合材料
冶金
工程类
催化作用
作者
Devaraj Bharathi,Solairaj Dhanasekaran,R. Varshini,S. Bhuvaneswari,Govindasami Periyasami,Saravanan Pandiaraj,Jintae Lee,Rajamani Ranjithkumar
标识
DOI:10.1016/j.ijbiomac.2023.125052
摘要
Chitosan functionalization is a growing field of interest to enhance the unique characteristics of metal oxide nanoparticles. In this study, a facile synthesis method has been used to develop a gallotannin loaded chitosan/zinc oxide (CS/ZnO) nanocomposite. Initially, white color formation confirmed the formation, and physico-chemical natures of the prepared nanocomposite were examined using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) coupled with energy dispersive spectroscopy (EDS), and transmission electron microscopy (TEM). Crystalline of CS amorphous phase and ZnO patterns were demonstrated by XRD. FTIR revealed the presence of CS and gallotannin bio-active groups in the formed nanocomposite. Electron microscopy study exhibited that the produced nanocomposite had an agglomerated sheets like morphology with an average size of 50-130 nm. Further, the produced nanocomposite was evaluated for methylene blue (MB) degradation activity from aqueous solution. After 30 min of irradiation, the efficiency of nanocomposite degradation was found to be 96.64 %. Moreover, prepared nanocomposite showed a potential and concentration-dependent antibacterial activity against S. aureus. In conclusion, our findings demonstrated that prepared nanocomposite can be used as an excellent photocatalyst as well as a bactericidal agent in industrial and clinical sectors.
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