Fabrication of self-cleaning super-hydrophobic nickel/graphene hybrid film with improved corrosion resistance on mild steel

Ding, Shibing; Xiang, Tengfei; Cheng, Li; Zheng, Shunli; Wang, Jing; Zhang, Manxin; Dong, Chundong; Chan, Wenming

doi:10.1016/j.matdes.2016.12.084

Cited by 103 publications

(37 citation statements)

References 31 publications

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“…In addition, oil impregnation can be introduced on a textured surface to improve the optical transmittance while achieving the self-cleaning effect on the surface 14 . Because self-cleaning requires the surface to be hydrophobic, most hydrophobicity studies are focused on achieving self-cleaning effects on the surface 15 – 22 .…”

Section: Introductionmentioning

confidence: 99%

Water Droplet Dynamics on a Hydrophobic Surface in Relation to the Self-Cleaning of Environmental Dust

Yilbaş

Hassan

Al‐Sharafi

et al. 2018

Sci Rep

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The dynamic motion of a water droplet on an inclined hydrophobic surface is analyzed with and without environmental dust particles on the surface. Solution crystallization of a polycarbonate surface is carried out to generate a hydrophobic surface with hierarchical texture composed of micro/nanosize spheroids and fibrils. Functionalized nanosize silica particles are deposited on the textured surface to reduce contact angle hysteresis. Environmental dust particles are collected and characterized using analytical tools prior to the experiments. The droplet motion on the hydrophobic surface is assessed using high-speed camera data, and then, the motion characteristics are compared with the corresponding analytical results. The influence of dust particles on the water droplet motion and the amount of dust particles picked up from the hydrophobic surface by the moving droplet is evaluated experimentally. A 40 μL droplet was observed to roll on the hydrophobic surface with and without dust particles, and the droplet slip velocity was lower than the rotational velocity. The rolling droplet removes almost all dust particles from the surface, and the mechanism for the removal of dust particles from the surface was determined to be water cloaking of the dust particles.

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Section: Introductionmentioning

confidence: 99%

Water Droplet Dynamics on a Hydrophobic Surface in Relation to the Self-Cleaning of Environmental Dust

Yilbaş

Hassan

Al‐Sharafi

et al. 2018

Sci Rep

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“…To confirm the contribution of CBPCs to the mild steel, EIS tests were carried out in 3.5 wt.% NaCl solution . The Nyquist and Bode plots (Figure ) of CBPCs with different coating thickness were obtained after different immersion times in 3.5 wt% NaCl solution.…”

Section: Resultsmentioning

confidence: 99%

The long‐term effectiveness and failure mechanism of the chemically bonded phosphate ceramic coatings with different thickness

Liu

Bian

2019

Int J Applied Ceramic Tech

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In this study, the chemically bonded phosphate ceramic coatings (CBPCs) with different thickness (100 µm, 200 µm, and 300 µm) are prepared on the mild steel (Q235). Potentiodynamic polarization testing and electrochemical impedance spectroscopywere carried out to study the synthetic effect of coating thickness and etching time (12,24,36, and 48 hours) on the corrosion behavior of CBPCs. The surface and cross section microstructure of CBPCs before and after different immersion time in 3.5 wt.% NaCl solution is investigated to better understand the corrosion behavior.Results revealed that the enhanced coating thickness can effectively postpone the corrosive factors infiltration into the substrate and prohibit the corrosion of the mild steel. From the potentiodynamic polarization testing results, the protection efficiency of the coating greatly increases with the increase in etching time. In addition, an increase in 10 000 and 1000 orders of magnitude of impedance value for the CBPCs with 12 hours and 48 hours etching time has been observed, respectively, indicating the CBPCs can effectively protect the mild steel from corrosion damage even with long-term service. K E Y W O R D Schemically bonded phosphate ceramic coatings, coating thickness, corrosion performance, etching time, mild steel

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“…Nanopatterning onto the surfaces of polymer substrates provides additional functions including the lotus effect and self‐cleaning effect . Among these effects, modified optical characteristics such as the antireflection effect and plasmonics effect are beneficial especially for optical devices including light‐emitting diodes and photovoltaics …”

Section: Introductionmentioning

confidence: 99%

Nanograting Structured Ultrathin Substrate for Ultraflexible Organic Photovoltaics

et al. 2020

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The nanopatterning of the surfaces of polymer substrates enhances the performances of photovoltaics. Ultraflexible organic photovoltaics (OPVs) are one of the promising energy harvesters for wearable electronics. A reduction in incident light angle dependence while maintaining the power conversion efficiency (PCE) is desirable for wearable electronics devices in which the angle of incident light continuously changes due to the deformation of the device. However, the nanopatterning of the ultrathin polymer substrates of ultraflexible OPVs using the reported methods is challenging because they fatally damage the substrates. Here, the fabrication of ultraflexible OPVs having a low incident light angle dependence while maintaining a PCE of 10.5% by developing ultrathin nanograting polymer substrates is reported. The nanograting‐patterned fluorinated polymer enables the formation of periodic nanograting structures onto the back surface of a 1 µm thick polymer substrate having a pitch of 760 nm and a height of 100 nm, while the opposite surface remains flat after the formation of the planarization layer. Furthermore, with the nanopatterning of the ultrathin substrate, electron‐transporting layer, and active layer, the ultraflexible OPVs exhibit a PCE of 10.8%. The combination of new materials with the developed patterning method is expected to afford even greater performances.

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Fabrication of self-cleaning super-hydrophobic nickel/graphene hybrid film with improved corrosion resistance on mild steel

Cited by 103 publications

References 31 publications

Water Droplet Dynamics on a Hydrophobic Surface in Relation to the Self-Cleaning of Environmental Dust

Water Droplet Dynamics on a Hydrophobic Surface in Relation to the Self-Cleaning of Environmental Dust

The long‐term effectiveness and failure mechanism of the chemically bonded phosphate ceramic coatings with different thickness

Nanograting Structured Ultrathin Substrate for Ultraflexible Organic Photovoltaics

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