Basic Principle of SLS/DLS Measurements in Fluorescent/Phosphorescence Solutions | |
其他题名 | 激光光散射测量荧光/磷光体系溶液结构的原理和方法 |
Jia, D; Yang, JF; Cheng H(程贺)![]() | |
2015 | |
发表期刊 | ACTA POLYMERICA SINICA
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期号 | 5页码:564-570 |
通讯作者 | 程贺 |
摘要 | As a typical elastic scattering technique,laser light scattering results cannot precisely describe the solution structure when the samples absorb incident light. Therefore, commercial laser light scattering instrument has been modified and upgraded to utilize four independent lasers, e. g. 785 nm,632.8 nm,532 nm and 457 nm, respectively as the light sources. By switching the wavelengths of incident lasers to avoid the sample absorption, the instrument can be widely used in fluorescent/phosphorescence solution systems. Spherical polystyrene nanoparticles with and without fluorescent dyes are used to calibrate the modified instrument. It is found that the height of the normalized intensity-intensity time correlation function decreases with the increase of the scattering angle when the sample absorbs the incident laser light. Such a correlation function fails to describe the sample solution structure, because the corresponding hydrodynamic radius distribution shows two modes and the average characteristic line width |
文章类型 | Article |
关键词 | Laser light scattering Fluorescent/phosphorescence Fluorescence correlation spectroscopy (FCS) Quasi-elastic scattering |
学科领域 | Polymer Science |
收录类别 | SCI |
WOS类目 | Polymer Science |
WOS记录号 | WOS:000355574800010 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ihep.ac.cn/handle/311005/228473 |
专题 | 东莞分部 实验物理中心 |
推荐引用方式 GB/T 7714 | Jia, D,Yang, JF,Cheng H,et al. Basic Principle of SLS/DLS Measurements in Fluorescent/Phosphorescence Solutions[J]. ACTA POLYMERICA SINICA,2015(5):564-570. |
APA | Jia, D,Yang, JF,程贺,Cheng, H,&Han, CC.(2015).Basic Principle of SLS/DLS Measurements in Fluorescent/Phosphorescence Solutions.ACTA POLYMERICA SINICA(5),564-570. |
MLA | Jia, D,et al."Basic Principle of SLS/DLS Measurements in Fluorescent/Phosphorescence Solutions".ACTA POLYMERICA SINICA .5(2015):564-570. |
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