吉林大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (5): 1583-1586.doi: 10.13229/j.cnki.jdxbgxb201605029
彭爱东, 刘贺男
PENG Ai-dong, LIU He-nan
摘要: 利用水包油(O/W)微乳液法,在水/DTAB/氯仿体系中合成制备了苝的方形纳米颗粒,颗粒尺寸在60~100 nm,可以通过改变表面活性剂的浓度实现颗粒尺寸调控。扫描电镜、透射电镜、荧光显微和动态光散射实验照片证实了苝纳米颗粒的存在。实验结果表明:与溶液中主要来自单体的荧光发射有很大不同,纳米颗粒的荧光发射在460~650 nm处出现了来自聚集体的发射宽峰,并表现出明显的尺寸依赖性,随着纳米粒子尺寸的增加而变强。
中图分类号:
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