Small-angle X-ray scattering from carbon blacks: Crossover between the fractal and Porod regimes

被引:69
作者
Rieker, TP [1 ]
Misono, S
Ehrburger-Dolle, F
机构
[1] Univ New Mexico, Dept Chem & Nucl Engn, Ctr Microengineered Mat, Albuquerque, NM 87131 USA
[2] Tokai Carbon Co Ltd, Fuji Res Lab, Oyama, Shizuoka 4101431, Japan
[3] CNRS, Inst Chim Surfaces & Interfaces, F-68057 Mulhouse, France
关键词
D O I
10.1021/la981280n
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Small-angle X-ray scattering (SAXS) and transmission electron microscopy image analysis experiments on a series of commercially available carbon blacks verify recent computer modeling results on scattering by mass fractal aggregates of globular particles. We show that the derivative of I(q) vs q SAXS data demonstrates a crossover point ge between surface scattering by primary particles and scattering by mass fractal aggregates. This crossover point is related to the mean diameter and the size distribution of the primary particles.
引用
收藏
页码:914 / 917
页数:4
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