Advances in Transparent, Conductive Carbon Nanotube Films

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Chemical and Molecular Sciences".

Deadline for manuscript submissions: closed (31 December 2020) | Viewed by 4806

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Dipartimento di Scienze Chimiche, Università degli Studi di Catania, Viale A. Doria 6, 95125 Catania, Italy
Interests: plasmonic; metamaterials; sensing; photonics; optoelectronics; nonlinear optical properties; nanomedicine
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Dear Colleagues,

Carbon nanotubes (CNTs) have attracted a broad interest within the scientific community over the past decades due to their extraordinary electrical, optical, mechanical, thermal, and chemical properties. The need to replace Indium Tin Oxide (ITO) in transparent electrodes arises from the potential future scarcity of indium and its consequent rising cost, as well as its related environmental issues. Their high electrical conductivity, along with their low optical conductivity, have made carbon nanotube films promising candidates for the development of transparent conducting elements that may replace ITO. These are key components in devices like displays, touch screens, LEDs, or solar cells, which are ubiquitous in everyday life. Moreover, CNT films offer flexibility, which is a potential advantage that ITO does not offer and expands its possible applications in the field of flexible electronics.

Significant progress has been made over the last fifteen years in developing CNT-based transparent electrodes. Despite other nanomaterials have been proposed over the years for the same application, significant work is still ongoing on CNTs. This Special Issue of Applied Sciences presents the latest developments in the fabrication and application of CNT-based transparent conductive films throughout the worldwide scientific community, identifies existing technology gaps, and suggests a path forward for large scale industrial applications.

Dr. Vittorio Scardaci
Guest Editor

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Keywords

  • carbon nanotubes
  • transparent electrodes
  • transparent conducting films
  • flexible displays
  • ITO alternatives
  • flexible electronics
  • transparent electronics

Published Papers (2 papers)

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Research

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15 pages, 2034 KiB  
Article
Carbon Nanotube Film/Silicon Heterojunction Photodetector for New Cutting-Edge Technological Devices
by Mattia Scagliotti, Matteo Salvato, Federico Frezza, Daniele Catone, Lorenzo Di Mario, Maurizio Boscardin, Maurizio De Crescenzi and Paola Castrucci
Appl. Sci. 2021, 11(2), 606; https://doi.org/10.3390/app11020606 - 10 Jan 2021
Cited by 10 | Viewed by 2183
Abstract
Photodetector (PD) devices based on carbon nanotube/n-silicon heterojunction (NSH) have been realized, with a linear response in a large optical power range, proving competitive performances with respect to a recent nanostructure-based detector and those currently available on the market. The core of these [...] Read more.
Photodetector (PD) devices based on carbon nanotube/n-silicon heterojunction (NSH) have been realized, with a linear response in a large optical power range, proving competitive performances with respect to a recent nanostructure-based detector and those currently available on the market. The core of these devices is a thin semi-transparent and conductive single-walled carbon nanotubes film with a multitask role: junction element, light absorber and transmitter, photocarrier transporting layer, and charge collector. The PD exhibits rise times of some nanoseconds, detecting light from ultraviolet (240 nm) to infrared (1600 nm), and external quantum efficiency reaching 300% in the VIS spectra region. Full article
(This article belongs to the Special Issue Advances in Transparent, Conductive Carbon Nanotube Films)
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Review

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17 pages, 2106 KiB  
Review
Equivalent Electrical Circuit Modeling of CNT-Based Transparent Electrodes
by Monica La Mura, Patrizia Lamberti and Vincenzo Tucci
Appl. Sci. 2021, 11(8), 3408; https://doi.org/10.3390/app11083408 - 10 Apr 2021
Cited by 2 | Viewed by 2153
Abstract
Among the various applications of carbon nanotubes (CNTs) that have been investigated since the discovery of their exceptional potential in the electronic field, great interest has been directed towards the creation of carbon-based materials capable of replacing Indium Tin Oxide (ITO) as a [...] Read more.
Among the various applications of carbon nanotubes (CNTs) that have been investigated since the discovery of their exceptional potential in the electronic field, great interest has been directed towards the creation of carbon-based materials capable of replacing Indium Tin Oxide (ITO) as a transparent electrode. Such transparent conductive films find application in touch panels, LCD screens, OLED displays, photovoltaic cells, and many others. This review presents a collection of techniques that have been proposed during the last decade for the modeling of carbon nanotube-based materials by means of equivalent electrical networks. These networks represent the electrical properties of CNT-based conductive thin films in a way that can be easily included in circuit simulators for the simulation-assisted design of the different devices under static and dynamic conditions. Full article
(This article belongs to the Special Issue Advances in Transparent, Conductive Carbon Nanotube Films)
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