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説明:

Nano/microfabrication is of fundamental importance both in scientific and industrial situations. There are, therefore, many attempts at realizing easier, quicker, and more precise fabrication of various structures; however, achieving this aim without a bulky and costly setup is still challenging. Here, we introduce a facile and versatile means of printing an ordered structure consisting of nanoscale stripes and more complicated geometries including pillars and wavy form with a lateral resolution of single micrometers. To this end, we prepare a polydimethylsiloxane (PDMS) slab with an O2 plasma-induced wrinkled surface where liquid PDMS exudes by syneresis. Since this liquid PDMS is automatically loaded, the printing is repeatable without inking. A substrate moderately wettable to the liquid PDMS as well as amount/property-controlled syneresis is primarily important for the creation of well-defined structures. Precisely controlling these conditions will make this method universally applicable to diverse substrates and liquids including suspensions.

権利情報:

• Creative Commons BY Attribution 4.0 International
  

キーワード: microstructure, nanostructure, polydimethylsiloxane, printing, syneresis, wrinkles

刊行年月日: 2024-08-29

出版者: Wiley

掲載誌:

• Advanced Science (ISSN: 21983844) vol. 11 issue. 40 2405151

研究助成金:

• Japan Society for the Promotion of Science 21H01971 (Grant-in-Aid for Scientific Research (B))
• Japan Science and Technology Agency JPMJPR23N1 (PRESTO)
• Japan Society for the Promotion of Science 24K01520 (Grant-in-Aid for Scientific Research (B))
• Japan Society for the Promotion of Science 21K18859 (Grant-in-Aid for Challenging Research (Exploratory))
• Japan Society for the Promotion of Science JP19KK0141 (Fund for the Promotion of Joint International Research, International Collaborative Research)

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.1002/advs.202405151

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更新時刻: 2024-10-29 16:30:46 +0900

MDRでの公開時刻: 2024-10-29 16:30:46 +0900