scholarly journals Nanoimprinted conducting nanopillar arrays made of MWCNT/polymer nanocomposites: a study by electrochemical impedance spectroscopy

2021 ◽  
Author(s):  
Chuan Xiao ◽  
Yuming Zhao ◽  
Wei Zhou
Keyword(s):  
Electrochemical Impedance Spectroscopy ◽  
Impedance Spectroscopy ◽  
Polymer Nanocomposites ◽  
Electrochemical Impedance ◽  
Three Dimensional ◽  
Electrochemical Sensing ◽  
Electrical Recording ◽  
Nanostructured Electrodes ◽  
Nanopillar Arrays ◽  
Sensing Performance

Conducting vertical nanopillar arrays can serve as three-dimensional nanostructured electrodes with improved electrical recording and electrochemical sensing performance in bio-electronics applications.

Characterization of Polyaniline Nanocomposite Using AC Electrochemical Impedance Spectroscopy

2006 ◽  
Author(s):  
Jianxun Hu ◽  
Dongyan Wang
Keyword(s):  
Mechanical Properties ◽  
Electrochemical Impedance Spectroscopy ◽  
Impedance Spectroscopy ◽  
Polymer Nanocomposites ◽  
Electrochemical Impedance ◽  
Physical And Mechanical Properties ◽  
Octahedral Plane ◽  
Synthetic Mica ◽  
Polyaniline Nanocomposite

Silicate minerals have been found to improve physical and mechanical properties of polymers significantly through clay/polymer nanocomposites. This class of materials uses smectite-type clays, such as hectorite, montmorillonite, magadiite, and synthetic mica, as fillers to enhance the properties of polymers. One of the most important properties of smectite-type clays is their layered structure, in which each layer is constructed from tetrahedrally coordinated Si atoms fused into an edge-shared octahedral plane of either Al(OH)3 or Mg(OH)2. The layers exhibit excellent mechanical properties parallel to the layer direction due to the nature of the bonding between these atoms. It has been found that Young’s modulus in the layer direction is 50 to 400 times higher than that of a typical polymer [1–5]. The layers have a high aspect ratio and each one is approximately 1 nm thick, while the diameter may vary from 30 nm to several microns or larger. Hundreds or thousands of these layers are stacked together with weak van der Waals forces to form a clay particle. With such a configuration, it is possible to tailor clays into various different structures in polymer [1,6,7].

High specific detection of osteopontin using a three-dimensional copolymer layer support based on electrochemical impedance spectroscopy

The Analyst ◽  
2014 ◽  
Vol 139 (18) ◽  
pp. 4476-4481 ◽  
Author(s):  
Hongxia Chen ◽  
Qiaohan Mei ◽  
Shengsong Jia ◽  
Kwangnak Koh ◽  
Keming Wang ◽  
...  
Keyword(s):  
Electrochemical Impedance Spectroscopy ◽  
Impedance Spectroscopy ◽  
Electrochemical Impedance ◽  
Three Dimensional ◽  
Specific Detection

Specific detection of osteopontin using a three-dimensional copolymer layer support.

scholarly journals Electrochemical Impedance Spectroscopy on 2D Nanomaterial MXene Modified Interfaces: Application as a Characterization and Transducing Tool

Chemosensors ◽  
2020 ◽  
Vol 8 (4) ◽  
pp. 127
Author(s):  
Juvissan Aguedo ◽  
Lenka Lorencova ◽  
Marek Barath ◽  
Pavol Farkas ◽  
Jan Tkac
Keyword(s):  
Electrochemical Impedance Spectroscopy ◽  
Impedance Spectroscopy ◽  
Molecularly Imprinted Polymers ◽  
Electrochemical Impedance ◽  
Electrochemical Sensing ◽  
Label Free ◽  
Preparation Route ◽  
Basic Characteristics ◽  
Electrochemical Interfaces

This review presents the basic characteristics of MXene, a novel 2D nanomaterial with many outstanding properties applicable to electrochemical sensing and biosensing. The second part deals with electrochemical impedance spectroscopy (EIS) and its beneficial features applicable to ultrasensitive electrochemical sensing and label-free biosensing. The main part of the review presents recent advances in the integration of MXene to design electrochemical interfaces. EIS was used to evaluate the effect of anodic potential on MXene and the effect of the MXene preparation route and for characterization of MXene grafted with polymers. It also included the application of EIS as the main transducing tool for antibody- and aptamer-based biosensors or biosensors integrating molecularly imprinted polymers.

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