نتایج جستجو برای: super hydrophobic

تعداد نتایج: 82732  

Journal: :Characterization and application of nanomaterials 2021

We reviewed the research on super-hydrophobic materials. Firstly, we introduced basic principles of materials, including Young equation, Wenzel model, and Cassie model. Then, summarized main preparation methods results such as template method, soft etching electrospinning sol-gel method. Among them, method that has developed in recent years is a new technology for preparing micro/nanofibers. Fi...

2017
Ricardo Diaz Zhixiong Guo

Molecular dynamics (MD) simulations were employed to investigate the effect of wettability (via contact angle variation) on nanoscale pool boiling heat transfer of a liquid argon thin film on a horizontal copper substrate topped with cubic nano-pillars. The liquid-solid potential was incrementally altered in order to vary the contact angle between hydrophilic (θ~63°) and super hydrophobic (θ~15...

2016
Yukio Kobayashi

The so-called island model of protein structural transition holds that hydrophobic interactions are the key to both the folding and function of proteins. Herein, the genesis and statistical mechanical basis of the island model of transitions are reviewed, by presenting the results of simulations of such transitions. Elucidating the physicochemical mechanism of protein structural formation is th...

2016
Junpeng Liu Zaid A. Janjua Martin Roe Fang Xu Barbara Turnbull Kwing-So Choi Xianghui Hou

A super-hydrophobic surface has been obtained from nanocomposite materials based on silica nanoparticles and self-assembled monolayers of 1H,1H,2H,2H-perfluorooctyltriethoxysilane (POTS) using spin coating and chemical vapor deposition methods. Scanning electron microscope images reveal the porous structure of the silica nanoparticles, which can trap small-scale air pockets. An average water co...

Journal: :Nanotechnology 2015
Francesco De Nicola Paola Castrucci Manuela Scarselli Francesca Nanni Ilaria Cacciotti Maurizio De Crescenzi

We have taken advantage of the native surface roughness and the iron content of AISI 316 stainless steel to directly grow multi-walled carbon nanotube (MWCNT) random networks by chemical vapor deposition (CVD) at low-temperature (1000°C) without the addition of any external catalysts or time-consuming pre-treatments. In this way, super-hydrophobic MWCNT films on stainless steel sheets were obta...

Journal: :Journal of Physics: Conference Series 2021

Abstract In last years, the direct laser texturing proved as environmentally friendly, scalable, flexible and efficient approach for surface functionalisation by creating appropriate features enhanced boiling performance. When metal is laser-processed in open (oxygen-containing) atmosphere, it oxidizes becomes (super)hydrophilic. However, well known that wettability transition towards (super)hy...

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