Embossing of organic thin films using a surfactant assisted lift-off technique |
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Authors: | Xin ZhangGengxin Zhang Yen-Chih LiaoBrandon L. Weeks Zhao Zhang |
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Affiliation: | a Department of Chemical Engineering, Texas Tech University, Lubbock, TX 79409, United States b School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, Shanxi 030006, PR China |
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Abstract: | A simple technique for patterning organic materials using a surfactant assisted lift-off method is proposed. Thin films of various organic materials are prepared, and areas in contact with a surfactant coated poly(dimethylsiloxane) (PDMS) stamp are selectively removed. The general applicability of this technique is shown for materials containing nitrate, amine, and carboxylic acid functional groups. This technique provides a new methodology for fabricating patterns with vertical dimensions ranging from 30 nm up to 3 μm on organic thin films with specific functional groups. |
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Keywords: | Lift-off patterning Micro/nano-structure Organic thin films (OTFs) Pentaerythritol tetranitrate (PETN) Morphology of crystalline organic thin films |
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