On the structure of concentrated detonation nanodiamond hydrosols with a positive ζ potential: Analysis of small-angle neutron scattering

被引：25
|
作者：
Avdeev, Mikhail V. [1 ,2 ]
Tomchuk, Oleksandr V. [1 ,3 ]
Ivankov, Oleksandr I. [1 ,3 ]
Alexenskii, Alexander E. [4 ]
Dideikin, Artur T. [4 ]
Vul, Alexander Ya. [4 ]
机构：
[1] Joint Inst Nucl Res, Frank Lab Neutron Phys, Dubna 141980, Russia
[2] St Petersburg State Univ, Fac Phys, St Petersburg 199034, Russia
[3] Taras Shevchenko Natl Univ Kyiv, Fac Phys, UA-03022 Kiev, Ukraine
[4] Russian Acad Sci, Ioffe Phys Tech Inst, St Petersburg 194021, Russia
来源：
CHEMICAL PHYSICS LETTERS | 2016年 / 658卷
基金：
俄罗斯基础研究基金会; 俄罗斯科学基金会;
关键词：
ULTRANANOCRYSTALLINE DIAMOND; CONTRAST-VARIATION; SURFACE; POLYDISPERSE; AGGREGATION; PARTICLES; WATER; SUSPENSION; SYSTEMS; POWDERS;
D O I：
10.1016/j.cplett.2016.06.010
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Small-angle neutron scattering (SANS) was applied for the structure characterization of detonation nanodiamond (DND) aqueous suspensions with a positive, zeta potential. The contrast variation technique (based on mixtures of light and heavy water) was used to study the structure of DND particles and their clusters in solutions. The results were compared with the data of the previous similar experiments for DND suspensions with a negative zeta potential. The experimental range of the neutron scattering contrast in the system was extended to maximally possible by starting with the initial concentrated suspensions separately prepared in light and heavy water. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：58 / 62
页数：5
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