Synthesis and properties of nano silver extracted from tangerine peel
In order to obtain a green,environment-friendly,low energy and efficient preparation method of silver nanoparticles,tangerine peel extract is selected as a reducing agent and a protective agent,and nano silver colloid is prepared by biological synthesis method.The influences of reaction temperature,volume of dried tangerine peel extracts,volume of silver nitrate and reaction time on particle size and morphology of nano silver colloid are studied by.The nano silveris characterized by TEM,UV-vis spectrum and laser particle sizer.The results show that nano silver colloid can be prepared using the extract of tangerine peel and silver nitrate.When the reaction temperature is 80 ℃,the silver nitrate solution is 7 mL,the tangerine peel extract is 20 mL and the reaction time is 30 min,the production efficiency of nano silver is the high and the prepared nano silver has small particle size,regular morphology with nearly spherical shape and good stability.
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