Green synthesis of silver nanoparticles using grape seed extract and their application for reductive catalysis of Direct Orange 26

Add time:08/06/2019    Source:sciencedirect.com

This study focused on the green synthesis of silver nanoparticles (AgNPs) using grape seed extract and their use for the catalytic degradation of a hazardous dye. The reaction temperature for the synthesis had great impacts to the properties of AgNPs and thereby, contributed to their activity for reductive decomposition of Direct Orange 26 by NaBH4. The elevated temperature made silver particles grow bigger and so reduced the effectiveness of surface catalysis. This was evidenced by the decrease in the reaction rate of AgNPs. The biosynthesis of AgNPs below 40 °C had no negative effect on the degradation of Direct Orange 26.

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