Theoretical and experimental approaches to the electro-optical study of boehmite nanoparticles with given morphology

Результат исследований: Научные публикации в периодических изданияхстатья

Аннотация

By variation of hydrothermal synthesis key factors such as pH, temperature and capping agent, plate and rod-like boehmite nanoparticles were obtained. The nanoparticle structure was confirmed by X-ray Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), Transmission Electron Microscopy (TEM), and Dynamic Light Scattering (DLS). Aqueous suspension of boehmite particles was studied using electro-optical technique. The suspensions were confirmed to be sufficiently stable, which allowed to determine the structure of boehmite particle electric double layer (EDL). The Dukhin-Shilov theory of EDL conductivity described the observed electro-optical effects well. The values of boehmite particle surface conductivity were obtained at different KCl electrolyte concentrations.

Язык оригиналаанглийский
Номер статьи124095
Число страниц10
ЖурналColloids and Surfaces A: Physicochemical and Engineering Aspects
Том586
Ранняя дата в режиме онлайн9 ноя 2019
DOI
СостояниеОпубликовано - 5 фев 2020

Предметные области Scopus

  • Поверхности и интерфейсы
  • Физическая и теоретическая химия
  • Коллоидная химия и химия поверхности

Ключевые слова

  • Boehmite nanoparticles
  • hydrothermal synthesis
  • capping agent
  • electro-optics
  • surface conductivity

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