Impermeable Atomic Membranes from Graphene Sheets

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• 作者：J. Scott Bunch ; Scott S. Verbridge ; Jonathan S. Alden ; Arend M. van der Zande ; Jeevak M. Parpia ; Harold G. Craighead ; Paul L. McEuen
• 刊名：Nano Letters
• 出版年：2008
• 出版时间：August 2008
• 年：2008
• 卷：8
• 期：8
• 页码：2458-2462
• 全文大小：209K
• 年卷期：v.8,no.8(August 2008)
• ISSN：1530-6992

文摘

We demonstrate that a monolayer graphene membrane is impermeable to standard gases including helium. By applying a pressure difference across the membrane, we measure both the elastic constants and the mass of a single layer of graphene. This pressurized graphene membrane is the world’s thinnest balloon and provides a unique separation barrier between 2 distinct regions that is only one atom thick.