Transparent and Biocompatible Electrodes Based on Carbon Nanotubes/Albumin Composite

Dmitry Kireev, Ivan I. Bobrinetskiy, Alexey S. Seleznev, Igor V. Fedorov, Alexey V. Romashkin, Roman A. Morozov

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Center for Probe Microscopy and Nanotechnology, National Research University of Electronic Technology, Moscow, Russia..

DOI: 10.4236/ojcm.2013.32A005                

Abstract

We describe a new method for transparent and conductive films based on carbon nanotubes and bovine serum albumin composite development. Films are deposited from an aqueous solution of carbon nanotubes/bovine serum albumin by drop-coating and rod-coating methods. Sheet resistances of as-prepared films vary from 200 Ohm/sq with 50% transmittance to 30 KOhm/sq with 90% transmittance. The maximum s_dc/s_op ration found in this work is 2.27, which gives a DC conductivity of 4.55 × 10⁴ S·m^－1. Atomic force microscopy and Raman spectroscopy studies of the films show that the process of film formation produces neither structural nor chemical changes in the nanotubes. Possibility of using these films for cell culturing is tested on human embryonic fibroblast cell line. Therefore, it is first time ever in literature, when proposed a method, allowing fabricating at the same time transparent, high-conductive and biocompatible CNT films.

Keywords

Carbon Nanotubes; Transparent Electrodes; Biocompatible Composite

Conflicts of Interest

The authors declare no conflicts of interest.

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