【摘要】 以聚丙烯酰胺为还原剂和稳定剂 ,采用微波高压液相合成法制备了黄色银纳米粒子。用吸收光谱和共振散射光谱研究了其制备条件的影响。在 4 2 1.6nm处产生最大吸收峰 ,在 4 70nm处产生一个最强共振散射峰。实验表明 :该法制备的银纳米粒子粒径均匀 ,平均粒径为 6 6nm ,其稳定性和分散性较好 ,合成方法简便、快捷。更多还原

【Abstract】 The silver nanoparticles in yellow color were prepared by microwave high pressure synthetical method, using polyacrylamide as reducing agent and stabilizer. The maximun absorption peak of silver colloidal is at 421.6 nm, and its strongest resonance scattering peak is at 470 nm. The influence of main conditions on the microwave reaction was studied with absorption spectrometry and resonance scattering spectroscopy. The experimental the result showed that the silver nanoparticles had well distributity and good stability. The average diameter of silver nanoparticles is 66 nm. The procedure was rapid and convenient.更多还原