Slow aggregation and disaggregation of TiO 2 nanocrystals in aqueous HCl solutionsстатья
Статья опубликована в высокорейтинговом журнале
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 12 июля 2017 г.
Аннотация:The kinetics of slow aggregation and disaggregation of the plate-shaped TiO 2 nanocrystals in aqueous HCl solutions at room temperature was studied using turbidimetry and small-angle X-ray scattering. The rate of slow aggregation of the diluted TiO 2 hydrosols with 0.3 ≤ pH ≤ 3 was compared. The sols with pH about 1 were the most stable and the aggregation rate increased at the decrease of pH from 1 to 0.3 and at the increase of pH from 1 to 3. The reversible loose aggregates slowly formed at the low pH, while the more stable aggregates grew at higher pH.