Fabrication of cerium oxide films with thickness and hydrophobicity gradients (CROSBI ID 302487)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Zhu, Dapeng ; Hu, Chenglong ; Zhao, Rongzhi ; Tan, Xiangyang ; Li, Yixing ; Mandić, Vilko ; Shi, Zhen ; Zhang, Xuefeng
engleski
Fabrication of cerium oxide films with thickness and hydrophobicity gradients
Versatile surfaces with hydrophobicity gradients have attracted intensive attention because of their tunable wettability. Here, cerium oxide films are prepared on tilted substrates by magnetron sputtering, the induced thickness gradient strongly influences the structural, morphological, and wetting properties. It is found that the surface hydrophobicity is positively proportional to the root-mean-square (RMS) roughness and thickness variations, larger thickness gradient brings more obvious gradient hydrophobic surfaces. The results show that the RMS roughness gradient increases from 0 nm/cm, 0.08 nm/cm to 0.16 nm/cm, and the thickness gradient increases from 0 nm/cm, 12.0 nm/cm to 13.2 nm/cm, with the tilt angle changing from 0◦, 30◦ to 60◦, respectively. Correspondingly, the hydrophobicity gradient increases from 0◦/cm, 1.6◦/cm to 2.7◦/cm, respectively. Our study offers practicable method a method for developing hydrophobicity gradient surfaces, which can be used for droplet movement applications.
cerium oxide ; thin-films ; magnetron sputtering
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Podaci o izdanju
430
2022.
127985
8
objavljeno
0257-8972
1879-3347
10.1016/j.surfcoat.2021.127985
Povezanost rada
Fizika, Interdisciplinarne tehničke znanosti, Kemija, Kemijsko inženjerstvo