Solvent-assisted microcontact molding: A convenient method for fabricating three-dimensional structures on surfaces of polymers

Advanced Materials

Volumn 9, Issue 8, 1997, Pages 651-654

  Kim, Enoch ^a   Xia, Younan ^a   Zhao, Xiao Mei ^a   Whitesides, George M ^a  

^a HARVARD UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACETONE; POLYSTYRENES; SOLVENTS; SURFACE STRUCTURE;

SOLVENT ASSISTED MICROCONTACT MOLDING (SAMIM);

PLASTICS MOLDING;

EID: 0031165657     PISSN: 09359648     EISSN: None     Source Type: Journal    
DOI: 10.1002/adma.19970090814     Document Type: Article

References (24)

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19. For a recent review, see Special Issue on Nanotechnology, Microelectron. Eng. 1996, 32 (1-4).
20. The solvent seems to evaporate from those regions of the polymer film that are not covered by the mold; the diffusion of solvent from the mold-covered regions to the uncovered regions is a relatively fast process.
21. A homogeneous thin layer of solvent could be easily applied to the surface of PDMS mold using O-tips.
22. See, for example, a) L. C. DeBolt, J. E. Mark, Macromolecules 1987, 20, 2369. b) L. E. Pierre, H. A. Dewhurst, A. M. Bueche, J. Polym. Sci. 1959, 36, 105.
23. See, for example, a) L. C. DeBolt, J. E. Mark, Macromolecules 1987, 20, 2369. b) L. E. Pierre, H. A. Dewhurst, A. M. Bueche, J. Polym. Sci. 1959, 36, 105.
24. We can modify the surface properties of the PDMS mold by plasma-treatment or other chemical processes to make its surface wettable by a polar solvent.