A novel composite system composed of zirconia and LDHs film grown on plasma electrolysis coating: Toward a stable smart coating

Ultrasonics Sonochemistry
Mosab Kaseem, Young Gun Ko

Abstract

A novel composite system composed of zirconia and double hydroxide layers (LDHs) was successfully fabricated on the plasma electrolysis (PE) coating. For this aim, the molybdate-loaded LDHs film grown on the PE film of aluminum alloy was modified additionally by zirconia nanoparticles via a facile dip-coating method. The MoO42- anions which were obtained by anion exchange process from the precursor CeMgAl-LDH film, led to decrease the distance between the flakes of LDHs film where a flower-like structure was successfully developed. Moreover, the inclusion of zirconia helped to decrease the size of pores present in the LDHs films. Accordingly, a superior smart protective film was obtained due to the possible synergetic effects between the MoO42- and Ce3+ ions released from LDHs film as well as the high chemical stability of zirconia. The LDHs film modified by zirconia can be regarded as a stable smart coating, meaning that it has the ability to control the release of corrosion inhibitors and providing an excellent long-term electrochemical performance as well.

References

Mar 25, 1994·Science·R C Newman, K Sieradzki
Sep 24, 2015·Langmuir : the ACS Journal of Surfaces and Colloids·Chanyoung JeongChang-Hwan Choi
May 26, 2017·Scientific Reports·Mosab KaseemYoung Gun Ko

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Citations

Mar 7, 2021·Nanomaterials·Mosab KaseemBurak Dikici

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