In this work, zinc oxide particles (ZnO NPs) green synthesis with the application of black tea extract (BT) is presented. A thorough investigation of the properties of the extract and the obtained materials was conducted by using Fourier transform infrared spectroscopy (FTIR), liquid chromatography-mass spectrometry (LC-MS), X-ray diffraction (XRD), scanning electron microscopy (SEM), thermogravimetric analysis (TGA), and quadrupole mass spectroscopy (QMS). The obtained results indicated that the amount of used BT strongly influenced the morphology, chemical, and crystalline structure of the obtained particles. The investigation demonstrated that the substance present in black tea (BT) extract, which was adsorbed on the ZnO surface, was in fact gallic acid. It was found that gallic acid controls the crystallization process of ZnO by temporarily blocking the zinc cations. Additionally, these organic molecules interact with the hydroxide group of the precipitant. This blocks the dehydration process stabilizing the zinc hydroxide forms and hinders its...
Gallic acid based black tea extract as a stabilizing agent in ZnO particles green synthesis.
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Fiedot-Tobola, M., Dmochowska, A., Potaniec, B., Czajkowska, J., Jedrzejewski, R., Wilk-Kozubek, M., Carolak, E., Cybinska, J.; Gallic acid based black tea extract as a stabilizing agent in ZnO particles green synthesis.. IFIS Food and Health Sciences Database 2022; doi:
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