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