研究了用聚丙烯酰胺作光敏剂的纳米Ag粒子的光化学合成.结果表明,Ag+-PAM-PVP乙醇水溶液中,PAM明显地加速了光化学反应.讨论了PAM作光敏剂的光还原反应机理.在选择的体系中实验了各种组分的影响.在有或无丙酮存在下,TEM表征获得的胶体银粒子,平均直径分别为10.2nm和32.1nm,二者均具有良好的分散性.
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