Characterizing nanoparticles with a laboratory diffractometer: from small-angle to total X-ray scattering

被引：9

作者：

Sommariva, Marco ^{[1
]}

Gateshki, Milen ^{[1
]}

Gertenbach, Jan-Andre ^{[1
]}

Bolze, Joerg ^{[1
]}

Konig, Uwe ^{[1
]}

Vasile, Bogdan Stefan ^{[2
]}

Surdu, Vasile-Adrian ^{[2
]}

机构：

[1] PANalyt BV, NL-7602 EA Almelo, Netherlands

[2] Univ Politehn Bucuresti, Dept Sci & Engn Oxide Mat & Nanomat, Fac Appl Chem & Mat Sci, Bucharest 011061, Romania

来源：

POWDER DIFFRACTION | 2014年 / 29卷

关键词：

nanomaterials; in-house diffractometer; SAXS; PDF; XRF; TEM; ANATASE;

D O I：

10.1017/S0885715614001043

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

X-ray diffraction and scattering on a single multipurpose X-ray platform have been used to probe the structure, composition, and thermal behavior of TiO2 nanoparticles ranging in size from 1 to 10 nm. Ambient and non-ambient Bragg diffraction, small-angle X-ray scattering (SAXS), as well as total scattering and pair-distribution function (PDF) analysis are combined to obtain a comprehensive picture of the samples. At these ultrasmall particle-size dimensions, SAXS and PDF prove powerful in distinguishing the salient features of the materials, in particular the size distribution of the primary particles (SAXS) and the identification of the TiO2 polymorphs (PDF). Structural features determined by X-ray scattering techniques are corroborated by high-resolution transmission electron microscopy. The elemental make-up of the materials has been measured using X-ray fluorescence spectrometry and energy-dispersive X-ray analysis. (C) 2014 International Centre for Diffraction Data.

引用

页码：S47 / S53

页数：7

共 15 条

[1] Size-strain line-broadening analysis of the ceria round-robin sample [J].