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Ce-Doped-MgAl Superhydrophobic Layered Double Hydroxide for Enhanced Corrosion Resistance Properties

1
Department of Industrial Engineering, University of Trento, via Sommarive 9, 38123 Povo, Italy
2
Department of Chemistry, University of Torino, via Giuria 7, 10125 Torino, Italy
*
Author to whom correspondence should be addressed.
Solids 2021, 2(1), 76-86; https://doi.org/10.3390/solids2010004
Received: 7 January 2021 / Revised: 7 February 2021 / Accepted: 11 February 2021 / Published: 16 February 2021
(This article belongs to the Special Issue Feature Papers of Solids 2021)
Double doped layered double hydroxide thin films were developed directly on the aluminum substrate in two steps: Initially cerium-based MgAl-layered double hydroxide (LDH) were synthesized directly on the anodic aluminum surface via the in situ growth method, and were then modified with the stearate anions through an ion-exchange mechanism to achieve compact multifunctional protective thin films. The structural and morphological characteristics of the developed LDH films were investigated, and the surface contact angle measurements (CA) and self-cleaning properties were analyzed. The obtained double doped LDH film displayed the superhydrophobic characteristic with a water contact angle of ~155°. Furthermore, the superhydrophobic behavior of LDH on exposure to UV radiation (λ = 310 nm) was examined to evaluate outdoor applications. Long-term Electrochemical Impedance Spectroscopy (EIS) analysis was performed to understand the corrosion resistance properties. The introduction of double doped LDHs demonstrates significantly higher corrosion resistance properties than only cerium-modified LDHs and has shown superior stability against 0.1 M NaCl solution. View Full-Text
Keywords: double doped; superhydrophobic; LDHs; EIS double doped; superhydrophobic; LDHs; EIS
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MDPI and ACS Style

Iqbal, M.A.; Asghar, H.; Fedel, M. Ce-Doped-MgAl Superhydrophobic Layered Double Hydroxide for Enhanced Corrosion Resistance Properties. Solids 2021, 2, 76-86. https://doi.org/10.3390/solids2010004

AMA Style

Iqbal MA, Asghar H, Fedel M. Ce-Doped-MgAl Superhydrophobic Layered Double Hydroxide for Enhanced Corrosion Resistance Properties. Solids. 2021; 2(1):76-86. https://doi.org/10.3390/solids2010004

Chicago/Turabian Style

Iqbal, Muhammad A., Humaira Asghar, and Michele Fedel. 2021. "Ce-Doped-MgAl Superhydrophobic Layered Double Hydroxide for Enhanced Corrosion Resistance Properties" Solids 2, no. 1: 76-86. https://doi.org/10.3390/solids2010004

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