Fabrication of Stable Single Nanochannels with Controllable Ionic Rectification†
Xu Hou
National Center for Nanoscience and Technology No. 11, Beiyitiao Zhongguancun, Beijing 100190 (P. R. China)
Search for more papers by this authorHua Dong
Institute of Chemistry Chinese Academy of Sciences Zhongguancun, Beijing 100190 (P. R. China)
Search for more papers by this authorDaoben Zhu
Institute of Chemistry Chinese Academy of Sciences Zhongguancun, Beijing 100190 (P. R. China)
Search for more papers by this authorCorresponding Author
Lei Jiang
Institute of Chemistry Chinese Academy of Sciences Zhongguancun, Beijing 100190 (P. R. China)
Institute of Chemistry Chinese Academy of Sciences Zhongguancun, Beijing 100190 (P. R. China).Search for more papers by this authorXu Hou
National Center for Nanoscience and Technology No. 11, Beiyitiao Zhongguancun, Beijing 100190 (P. R. China)
Search for more papers by this authorHua Dong
Institute of Chemistry Chinese Academy of Sciences Zhongguancun, Beijing 100190 (P. R. China)
Search for more papers by this authorDaoben Zhu
Institute of Chemistry Chinese Academy of Sciences Zhongguancun, Beijing 100190 (P. R. China)
Search for more papers by this authorCorresponding Author
Lei Jiang
Institute of Chemistry Chinese Academy of Sciences Zhongguancun, Beijing 100190 (P. R. China)
Institute of Chemistry Chinese Academy of Sciences Zhongguancun, Beijing 100190 (P. R. China).Search for more papers by this authorThe authors thank the Material Science Group of GSI (Darmstadt, Germany) for providing the ion-irradiated samples. This work was supported by the National Research Fund for Fundamental Key Projects (2007CB936403) and the National Nature Science Foundation of China (20571077). We also thank Prof. F. Liu and X. Kuang (Institute of Chemistry, Chinese Academy of Sciences) for beneficial discussions.
Graphical Abstract
Artificial single nanochannels with chemical/structural asymmetry and controllable continuous change of ionic-current rectification are prepared by ion-sputtering technology. The nanochannel is embedded in a track-etched poly(ethylene terephthalate) (PET) membrane and sputtered with Pt on the tip side of the nanochannel.
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