Physicochemical parameters effect on biosynthesis and properties of copper nanoparticles
| 1 | Wroclaw University of Science and Technology |
CORRESPONDING AUTHOR
Publication date: 2019-09-27
Physicochem. Probl. Miner. Process. 2019;55(6):1460–1466
KEYWORDS
gallic acidgreen tea extractparticle sizepolyphenolszeta potentialaerobic conditionsnitrogen atmosphere
TOPICS
ABSTRACT
Plant extract obtained from green tea was used for the synthesis of nanoparticles under anaerobic and aerobic conditions at various ratios of the copper solution to the extract used. The smallest nanoparticles were obtained at a ratio of 1:10. The nanoparticles showed the maximum negative value of the zeta potential around pH 6. An increase in the temperature of reaction caused a decrease in the negative zeta potential value. Synthesis under nitrogen atmosphere favours the formation of smaller copper nanoparticles.
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