Integrating Ionic Gate and Rectifier Within One Solid-State Nanopore via Modification with Dual-Responsive Copolymer Brushes
文献类型：期刊论文
| 作者 | Guo, Wei1; Xia, Hongwei3; Cao, Liuxuan2; Xia, Fan1; Wang, Shutao1; Zhang, Guangzhao3; Song, Yanlin1; Wang, Yugang2; Jiang, Lei1; Zhu, Daoben1 |
| 刊名 | ADVANCED FUNCTIONAL MATERIALS
 |
| 出版日期 | 2010-10-22 |
| 卷号 | 20期号:20页码:3561-3567 |
| ISSN号 | 1616-301X |
| DOI | 10.1002/adfm.201000989 |
| 英文摘要 | A dual-functional nanofluidic device is demonstrated that integrates the ionic gate and the ionic rectifier within one solid-state nanopore. The functionalities are realized by fabricating temperature-and pH-responsive poly(N-isopropyl acrylamide-co-acrylic acid) brushes onto the wall of a cone-shaped nanopore. At ca. 25 degrees C, the nanopore works on a low ion conducting state. When the temperature is raised to ca. 40 degrees C, the nanopore switches to a high ion conducting state. The closing/opening of the nanopore results from the temperature-triggered conformational transition of the attached copolymer brushes. Independently, in neutral and basic solutions, the conical nanopore rectifies the ionic current. While in acid solutions, no ion rectifying properties can be found. The charge properties of the copolymer brushes, combined with the asymmetrical pore geometry, render the nanopore a pH-tunable ionic rectifier. The chemical modification strategy could be applied to incorporate other stimuli-responsive materials for designing smart multi-functional nanofluidic systems resembling the "live" creatures in nature. |
| 语种 | 英语 |
| WOS记录号 | WOS:000284000200018 |
| 出版者 | WILEY-V C H VERLAG GMBH |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/70193]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Guo, Wei |
| 作者单位 | 1.Chinese Acad Sci, Inst Chem, Key Lab Organ Solids, BNLMS, Beijing 100190, Peoples R China 2.Peking Univ, State Key Lab Nucl Phys & Technol, Ctr Appl Phys & Technol, Beijing 100871, Peoples R China 3.Univ Sci & Technol China, Dept Chem Phys, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China |
| 推荐引用方式 GB/T 7714 | Guo, Wei,Xia, Hongwei,Cao, Liuxuan,et al. Integrating Ionic Gate and Rectifier Within One Solid-State Nanopore via Modification with Dual-Responsive Copolymer Brushes[J]. ADVANCED FUNCTIONAL MATERIALS,2010,20(20):3561-3567. |
| APA | Guo, Wei.,Xia, Hongwei.,Cao, Liuxuan.,Xia, Fan.,Wang, Shutao.,...&Zhu, Daoben.(2010).Integrating Ionic Gate and Rectifier Within One Solid-State Nanopore via Modification with Dual-Responsive Copolymer Brushes.ADVANCED FUNCTIONAL MATERIALS,20(20),3561-3567. |
| MLA | Guo, Wei,et al."Integrating Ionic Gate and Rectifier Within One Solid-State Nanopore via Modification with Dual-Responsive Copolymer Brushes".ADVANCED FUNCTIONAL MATERIALS 20.20(2010):3561-3567. |
入库方式： OAI收割
来源：化学研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。