Unraveling the Salvinia Paradox: Design Principles for Submerged Superhydrophobicity

被引：45
|
作者：
Amabili, M. [1 ]
Giacomello, A. [1 ]
Meloni, S. [2 ]
Casciola, C. M. [1 ]
机构：
[1] Univ Roma La Sapienza, Dipartimento Ingn Meccan & Aerosp, I-00184 Rome, Italy
[2] Ecole Polytech Fed Lausanne, Inst Sci & Ingn Chim, Lab Computat Chem & Biochem, CH-1015 Lausanne, Switzerland
来源：
ADVANCED MATERIALS INTERFACES | 2015年 / 2卷 / 14期
基金：
欧洲研究理事会;
关键词：
FREE-ENERGY; SURFACE; RESISTANCE; TRANSITION; LOTUS;
D O I：
10.1002/admi.201500248
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The complex structure of the Salvinia molesta is investigated via rare event molecular dynamics simulations. Results show that a hydrophilic/hydrophobic patterning together with a re-entrant geometry control the free energy barriers for bubble nucleation and for the Cassie-Wenzel transition. This natural paradigm is translated into simple macroscopic design criteria for engineering robust superhydrophobicity in submerged applications. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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页数：5
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