Bioinspired Super- antiwetting Interfaces with special Liquid-Solid Adhesion
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Transcript of Bioinspired Super- antiwetting Interfaces with special Liquid-Solid Adhesion
Bioinspired Super-antiwtting Interfaces with special Liquid-Solid Adhesion
Bioinspired Super-antiwetting Interfaces with special Liquid-Solid Adhesion - - M. LIU, Y. ZHENG, J. ZHAI, AND L. JIANGACCOUNTS OF CHEMICAL RESEARCH, 2010, 43, 368-377.- 150 Superhydrophobic ( )
Superoleophobic ( )
- : - antiwetting
Wenzel Cassie Wenzel
Cassie
Advancing CA:
Receding CA: 6
Critical Angle Hysteresis (CAH)
CAH: advancing CA - receding CA
, , . Normal Adhesion Force (NAF) , . CAH NAF , .
Atomic Force Microscopy (AFM) . AFM ( ) . . , . .
(SEM) , . SEM . , SEM .
(ESEM) , . : . / / . .
.. .
Lotus Effect
Lotus effect
ESEM AFM. ESEM , .
FM , micro nano (Cassie state).
, .
, (CA) 150, .
gecko gecko . nanotubes (PS nanotube film) , .
: ( ) , nanotubes
CA .
PS nanotube film 6.000.000 nanotubes . ( 59.8 )
Van der Waals. , NAF nanotubes
. .
. Wenzel. , .
PS PDMS . .
SEM PDMS
: PS nanotube film . . . . (morpho aega) .
. . .
.
( ) . 1, C 2.
, CAH , 26.3, C 62.2 . , C. Wenzel Cassie. . . PDMS-4OCB, - , . 92.4 89.3 23 C ( Cassie) 75 C ( Wenzel). Cassie , Wenzel . , . spin-coating PDMS-4OCB silicon wafer. butyloxy biphenylcarbonitrile .
. Fe3O4 M-droplet, Cassie, . Fe3O4 M-droplet Wenzel, . electrowetting electrowetting Cassie Wenzel.
(ACNA). ZnO, wideband gap, . nO titanyl phthalocyanine (TiOPc) photoconductor. , heptadecafluorodecyltrimethoxysilane (FAS) .
SEM
ACNA ACNA . . , Cassie Wenzel . .
, . SEM (NAF: 24.7 ) (NAF: 10.2 ) C
(NAF: < 1 )
-
nO + TiOPc + FAS (ACNA)Ps nanotubesPDMS