ICCAS OpenIR
Current Rectification in Temperature-Responsive Single Nanopores
Guo, Wei1,2; Xia, Hongwei3; Xia, Fan2; Hou, Xu4; Cao, Liuxuan1; Wang, Lin1; Xue, Jianming1; Zhang, Guangzhao3; Song, Yanlin2; Zhu, Daoben2; Wang, Yugang1; Jiang, Lei2
2010-03-05
Source PublicationCHEMPHYSCHEM
ISSN1439-4235
Volume11Issue:4Pages:859-864
AbstractHerein we demonstrate a fully abiotic smart single-nanopore device that rectifies ionic current in response to the temperature. The temperature-responsive nanopore ionic rectifier can be switched between a rectifying state below 34 degrees C and a non-rectifying state above 38 degrees C actuated by the phase transition of the poly(N-isopropylacrylamide) (PNIPAM] brushes. On the rectifying state, the rectifying efficiency can be enhanced by the dehydration of the attached PNIPAM brushes below the LCST. When the PNIPAM brushes have sufficiently collapsed, the nanopore switches to the non-rectifying state. The concept of the temperature-responsive current rectification in chemically-modified nanopores paves a new way for controlling the preferential direction of the ion transport in nanofluidics by modulating the temperature, which has the potential to build novel nanomachines with smart fluidic communication functions for future lab-on-chip devices.
KeywordCurrent Rectification Molecular Devices Nanostructures Phase Transitions Temperature Responsive
DOI10.1002/cphc.200900989
Indexed BySCI
Language英语
WOS IDWOS:000276062600017
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:124[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/69722
Collection中国科学院化学研究所
Corresponding AuthorWang, Yugang
Affiliation1.Peking Univ, Ctr Appl Phys & Technol, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China
2.Chinese Acad Sci, Inst Chem, Key Lab Organ Solids, BNLMS, Beijing 100190, Peoples R China
3.Univ Sci & Technol China, Dept Chem Phys, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China
4.Natl Ctr Nanosci & Technol, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Guo, Wei,Xia, Hongwei,Xia, Fan,et al. Current Rectification in Temperature-Responsive Single Nanopores[J]. CHEMPHYSCHEM,2010,11(4):859-864.
APA Guo, Wei.,Xia, Hongwei.,Xia, Fan.,Hou, Xu.,Cao, Liuxuan.,...&Jiang, Lei.(2010).Current Rectification in Temperature-Responsive Single Nanopores.CHEMPHYSCHEM,11(4),859-864.
MLA Guo, Wei,et al."Current Rectification in Temperature-Responsive Single Nanopores".CHEMPHYSCHEM 11.4(2010):859-864.
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