CdS纳米粒子制备的影响因素及CdS纳米粒子-酚藏花红体系的光谱特性  

Influence Factors for the Preparation of CdS Nanoparticles and Spectroscopic Study on the CdS-phenosafranine System

作　　者：刘辉[1] 李文友[1] 尹洪宗[1] 何锡文[1] 陈朗星[1] 

机构地区：[1]南开大学化学系,天津300071

出　　处：《化学学报》2005年第4期301-306,共6页Acta Chimica Sinica

基　　金：国家自然科学基金(Nos.20375017;20375019);高等学校博士学科点专项科研基金(No.2002055002);天津市自然科学基金(No.033603511)资助项目.

摘　　要：室温条件下在水溶液中合成了粒度分布均匀、分散性好的CdS纳米粒子.研究了pH值、反应时间等条件因素对其吸收光谱和荧光光谱特性的影响,并探讨了CdS纳米粒子-酚藏花红体系的光谱特性、可能的作用机理和应用前景.CdS nanoparticles were directly synthesized in aqueous solution at room temperature. Absorption and fluorescence spectra of CdS nanoparticles at different pH values and reaction time were investigated. At the same time, the spectroscopic characteristics and application values of the CdS-phenosafranine system were also discussed.

关 键 词：纳米粒子 反应时间 分散性 制备 合成 均匀 水溶液 酚藏花红 光谱特性 吸收光谱 

分 类 号：O614.3[理学—无机化学]