期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 56, 期 21, 页码 5720-5724出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201700039
关键词
amphiphilicity; atomic force microscopy; polypyrrole films; silicon; surface chemistry
资金
- National Research Fund for Fundamental Key Projects [2013CB932802]
- National Natural Science Foundation [21671194, 21421061]
- Key Research Program of the Chinese Academy of Sciences [KJZD-EW-M03]
Silicon wafers have been widely used in the semiconductor industry for many decades. Over the past decades, with the development of organic optoelectronic materials, silicon-based organic-inorganic hybrid devices have received more and more interest in fundamental and applied research. To obtain uniform organic films for hybrid devices, super-amphiphilic surfaces, on which both water and oil can spread completely, show great advantages. Herein, we prepared superamphiphilic silicon wafer surfaces with contact angles (CAs) near 0 degrees for both water and typical organic liquids. Interestingly, lateral force mode (LFM) atomic force microscopy (AFM) images indicate that the superamphiphilicity is induced by alternating hydrophilic and hydrophobic nanodomains. By making use of these superamphiphilic silicon wafer surfaces, uniform polypyrrole (PPy) films were generated in both water and cyclopentanone, providing a versatile and effective way for the integration of organic optoelectronic materials with inorganic microelectronic devices.
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