Microcontact Printing: Limitations and Achievements

Author

Andra´s Perl, David N. Reinhoudt, and Jurriaan Huskens

Journal

Advanced Materials

Publication Date

01/01/2009

Abstract

Microcontact printing (mCP) offers a simple and low-cost surface patterning methodology with high versatility and sub-micrometer accuracy. The process has undergone a spectacular evolution since its invention, improving its capability to form sub-100 nm SAM patterns of various polar and apolar materials and biomolecules over macroscopic areas. Diverse development lines of mCP are discussed in this work detailing various printing strategies. New printing schemes with improved stamp materials render mCP a reproducible surface-patterning technique with an increased pattern resolution. New stamp materials and PDMS surface-treatment methods allow the use of polar molecules as inks. Flat elastomeric surfaces and low-diffusive inks push the feature sizes to the nanometer range. Chemical and supramolecular interactions between the ink and the substrate increase the applicability of the mCP process.

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