ICCAS OpenIR
Biomimetic ionic rectifier systems: Asymmetric modification of single nanochannels by ion sputtering technology
Tian, Ye1; Hou, Xu2; Jiang, Lei1
2011-06-15
Source PublicationJOURNAL OF ELECTROANALYTICAL CHEMISTRY
ISSN1572-6657
Volume656Issue:1-2Pages:231-236
AbstractSingle nanochannels as promising candidates for mimicking the ionic rectification of biological ion channels have attracted intense interest in recent years. Most rectifying properties of the biomimetic single nanochannels were studied with asymmetric conical structures. In this article, we develop biomimetic ionic rectifier systems from single hour glass-shaped polymeric nanochannels using asymmetric ion sputtering of Au and Pt. X-ray photoelectron spectra and contact angle measurements were used to determine Au and Pt depositions on the polymeric membranes. Four different composed nanochannels were fabricated with either symmetric or asymmetric sputtering method. The ionic transport properties of these nanochannels were characterized by transmembrane current measurements. The results reveal that the nanochannels with asymmetric compositions can rectify ionic current effectively. This work provides a basic platform to obtain rectifications in symmetric nanochannels, moreover, the channels would also have promising applications in intelligent systems because of their biomimetic ionic transport properties and convenience to be modified further. (C) 2010 Elsevier B.V. All rights reserved.
KeywordBiomimetic Ionic Rectifier System Asymmetric Modification Single Nanochannel Ion Sputtering
DOI10.1016/j.jelechem.2010.11.005
Indexed BySCI
Language英语
WOS IDWOS:000291768300037
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:31[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/73274
Collection中国科学院化学研究所
Corresponding AuthorJiang, Lei
Affiliation1.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100190, Peoples R China
2.Natl Ctr Nanosci & Technol, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Tian, Ye,Hou, Xu,Jiang, Lei. Biomimetic ionic rectifier systems: Asymmetric modification of single nanochannels by ion sputtering technology[J]. JOURNAL OF ELECTROANALYTICAL CHEMISTRY,2011,656(1-2):231-236.
APA Tian, Ye,Hou, Xu,&Jiang, Lei.(2011).Biomimetic ionic rectifier systems: Asymmetric modification of single nanochannels by ion sputtering technology.JOURNAL OF ELECTROANALYTICAL CHEMISTRY,656(1-2),231-236.
MLA Tian, Ye,et al."Biomimetic ionic rectifier systems: Asymmetric modification of single nanochannels by ion sputtering technology".JOURNAL OF ELECTROANALYTICAL CHEMISTRY 656.1-2(2011):231-236.
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