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https://open.uns.ac.rs/handle/123456789/20442
Title: | Development of MWCNT thin film electrode transparent in the mid-IR range | Authors: | Stanojev, Jovana Bajac, Branimir Cvejić, Željka Matović, Jovan Srdić, Vladimir |
Issue Date: | Jun-2020 | Publisher: | Elsevier | Journal: | Ceramics International | Abstract: | © 2020 Elsevier Ltd and Techna Group S.r.l. In this research carbon nanotube-based thin film electrodes, with high transparency in mid-infrared range, were developed as a replacement for indium tin oxide electrodes. The thin film electrodes were prepared from polyelectrolyte and multi-walled carbon nanotubes by layer-by-layer assembly. Polyethyleneimine (PEI) and carboxylic multi-walled carbon nanotubes (MWCNT-COOH) were deposited alternately on glass substrates. Samples with different number of bilayers (PEI + MWCNT-COOH) were prepared. Thickness of the films varied between 80 and 240 nm, depending of the number of bilayers. After deposition of each bilayer, the samples were dried at 120 °C for 10 min. The fabricated films were characterized using Raman spectroscopy, high-resolution scanning microscopy (HRSEM) and transmission electron microscopy (TEM). Transparency of the films was measured in UV/Vis and IR ranges, utilizing UV/Vis spectrophotometer and FTIR spectrometer respectively. Sheet resistance of the films was measured with four-point probe method and the resistance values obtained were ranging from 6 kΩ/sq up to 23 kΩ/sq, depending on the number of layers. | URI: | https://open.uns.ac.rs/handle/123456789/20442 | ISSN: | 02728842 | DOI: | 10.1016/j.ceramint.2020.01.163 (BISIS)114587 |
Appears in Collections: | IBS Publikacije/Publications TF Publikacije/Publications |
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