In this paper, new aeromaterials are proposed on the basis of titania thin films deposited using atomic layer deposition (ALD) on a sacrificial network of ZnO microtetrapods. The technology consists of two technological steps applied after ALD, namely, thermal treatment at different
temperatures and etching of the sacrificial template. Two procedures are applied for etching, one of which is wet etching in a citric acid aqua solution, while the other one is etching in a hydride vapor phase epitaxy (HVPE) system with HCl and hydrogen chemicals. The morphology, composition, and crystal structure of the produced aeromaterials are investigated depending on the temperature of annealing and the sequence of the technological steps. The performed photoluminescence analysis suggests that the developed aeromaterials are potential candidates for photocatalytic applications.
CIOBANU Vladimir;
URSAKI Veaceslav;
LEHMANN Sebastian;
BRANISTE Tudor;
RAEVSCHI Simion;
ZALAMAI Victor;
MONAICO Eduard;
COLPO Pascal;
NIELSCH Kornelius;
TIGINYANU Ion;
2022-12-12
MDPI
JRC131421
2073-4352 (online),
https://www.mdpi.com/2073-4352/12/12/1753,
https://publications.jrc.ec.europa.eu/repository/handle/JRC131421,
10.3390/cryst12121753 (online),
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