2023
Tailoring hydroxyapatite morphology via the effect of divalent cations on the hydrolysis of α-TCP: Oriented crystal growth towards the application in water treatment
RAUDONYTE-SVIRBUTAVICIENE, Eva, Laura LUKAVICIUTE, Zdeněk MORAVEC, Jiří PINKAS, Tomoyo GOTO et. al.Základní údaje
Originální název
Tailoring hydroxyapatite morphology via the effect of divalent cations on the hydrolysis of α-TCP: Oriented crystal growth towards the application in water treatment
Autoři
RAUDONYTE-SVIRBUTAVICIENE, Eva, Laura LUKAVICIUTE, Zdeněk MORAVEC (203 Česká republika, domácí), Jiří PINKAS (203 Česká republika, domácí), Tomoyo GOTO, Tohru SEKINO, Aleksej ZARKOV a Aivaras KAREIVA
Vydání
Ceramics International, Elsevier, 2023, 0272-8842
Další údaje
Jazyk
angličtina
Typ výsledku
Článek v odborném periodiku
Obor
10400 1.4 Chemical sciences
Stát vydavatele
Velká Británie a Severní Irsko
Utajení
není předmětem státního či obchodního tajemství
Odkazy
Impakt faktor
Impact factor: 5.200 v roce 2022
Kód RIV
RIV/00216224:14310/23:00131673
Organizační jednotka
Přírodovědecká fakulta
UT WoS
001071939100001
Klíčová slova anglicky
Hydrothermal synthesis; Hydroxyapatite; Divalent cations; Crystal growth; Adsorption
Příznaky
Mezinárodní význam, Recenzováno
Změněno: 18. 10. 2024 13:56, Ing. Jana Kuchtová
Anotace
V originále
The hydrothermal synthesis method to produce calcium hydroxyapatite (HA) of controlled morphology without the use of organic additives is developed in this study. The influence of smaller (Mg2+, Mn2+) and larger (Sr2+, Ba2+) ions on the hydrolysis of α-TCP and crystal growth of HA particles was investigated. It was revealed that both the hydrothermal synthesis conditions (temperature, time) and the nature and concentration of the foreign ion affected the phase purity and morphology of the final products. Of all the ions investigated, Mn2+ had the highest, and Sr2+ had the lowest inhibiting effect on the hydrolysis process of α-TCP. Under certain synthesis conditions, we were able to obtain samples consisting of plate-like or rod-like particles only. The dye adsorption test revealed that the adsorption of plate-like particles for cationic dyes was more efficient, possibly, due to the higher surface area (SBET). Upon normalizing the test results to SBET, it became apparent that the electrostatic attraction between HA particles and dye molecules also impacted the adsorption efficiency. Rod-like particles had a higher ratio of exposed (a,m)-planes and hence lower zeta potential, resulting in increased adsorption of the cationic dye.
Návaznosti
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