Micropatterning and impedance characterization of an electrically percolating layer-by-layer assembly

Everett WN; Jan CJ; Sue HJ; Grunlan JC

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Micropatterning and impedance characterization of an electrically percolating layer-by-layer assembly

机译：电渗流逐层组件的微图案化和阻抗表征

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Micropatterned layer-by-layer (LbL) assemblies were studied as a potential platform for sensor applications by performing impedance characterization throughout a range of electrolyte concentrations. Conductive LbL thin films were prepared with carbon black nanoparticles dispersed in the polymer matrix to provide an electrically conductive network. LbL assemblies were micropatterned using a photolithographic lift-off method, and a test circuit was constructed as multiple interdigitating coplanar electrodes. Impedance spectra were collected between 10(4) and 10(6) Hz within a flow cell containing NaCl solutions ranging from 0.001 - 1.0 M. These preliminary results demonstrate the ability to pattern conductive LbL composites and underscore the potential utility and shortcomings of their use in sensor applications.

机译：通过在整个电解质浓度范围内进行阻抗表征，研究了微图案逐层（LbL）组件作为传感器应用的潜在平台。用分散在聚合物基质中的炭黑纳米颗粒制备导电LbL薄膜，以提供导电网络。使用光刻剥离方法对LbL组件进行微图案化，并将测试电路构建为多个相互交叉的共面电极。在含有0.001-1.0 M范围的NaCl溶液的流通池中，在10（4）和10（6）Hz之间收集了阻抗谱。这些初步结果证明了对导电LbL复合材料进行图案化的能力，并强调了其潜在的实用性和使用缺点在传感器应用中。

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《Electroanalysis》 |2007年第9期|共9页
作者
Everett WN; Jan CJ; Sue HJ; Grunlan JC;
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正文语种 eng
中图分类电化学、电解、磁化学;
关键词
polyelectrolyte assembly; carbon black; conductive composite; thin-film multilayer; electric double layer capacitance; BLACK POLYMER COMPOSITES/; CARBON-BLACK; POLYELECTROLYTE MULTILAYERS; THIN-FILMS; CONDUCTIVITY; INTERFACES; SURFACES; COATINGS; SYSTEM; CHARGE;

机译：聚电解质组件;炭黑;导电复合材料;薄膜多层;双电层电容;黑色聚合物复合材料/;碳黑;聚合物电解质多层;薄膜;导电性;界面;表面;涂层;系统;电荷;

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1. Micropatterning and impedance characterization of an electrically percolating layer-by-layer assembly [J] . Everett WN, Jan CJ, Sue HJ, Electroanalysis . 2007,第9期

机译：电渗流逐层组件的微图案化和阻抗表征
2. Synthesis and Electrical Characterization of Multilayer Thin Films Designed by Layer-by-Layer Self Assembly of Nanoparticles [J] . Sujira Promnimit, Joydeep Dutta Journal of nano research . 2010,第期

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Micropatterning and impedance characterization of an electrically percolating layer-by-layer assembly

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