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Micromachines
Special Issues
Smart Carbon Nanostructures and Applications
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Smart Carbon Nanostructures and Applications

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "D：Materials and Processing".

Deadline for manuscript submissions: closed (30 September 2022) | Viewed by 3921

Special Issue Editor

Prof. Dr. Josue Ortiz-Medina

E-Mail Website
Guest Editor
Department of Electrical and Electronics Engineering, Durango Institute of Technology/TecNM, Felipe Pescador 1830, Durango 34080, Mexico
Interests: carbon nanostructures; nanoelectronics; flexible electronics; NEMS/MEMS; sensors; nanodevices; molecular dynamics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The advancement of carbon nanotechnology is currently at a stage where the development of functional micro/nanodevices is a hot topic in the area. Key fundamental studies on the impressive properties of nanostructures, such as graphene, carbon nanotubes, and other related materials, have been thoroughly discussed for at least a decade and are well understood within the scientific community. Now, the focus has moved to the maximization of such a promising characteristic toward applications in a wide range of technological areas, spanning from energy storage to advanced instrumentation and smart composites, just to mention some examples. The flexibility of carbon nanostructures, in terms of possible chemical modifications, complex structural arrangements, and a high compatibility with a wide variety of substrates for controlled growth, has fueled their incorporation in novel devices as micro-supercapacitors, microbatteries, microsensors, etc., which can be integrated into microfluidic systems, wearable devices, and point-of-care diagnostic systems, among other imaginative and advanced applications. This Special Issue of Micromachines is intended to showcase the latest progress at the interphase of carbon nanomaterials and their use for micro- and nanodevice development, reported as theoretical and/or experimental studies from an engineering perspective. We invite the scientific and technical community to submit original research manuscripts and comprehensive reviews on topics such as carbon-based microdevices for energy storage or harvesting, micro/nano-sensors and actuators, flexible electronic devices, microfluidic systems, and any other topic related to the use of carbon-based nanomaterials for engineered functional micro- and nanodevices. We believe this collection of articles will contribute to deepening the discussion on the use of advanced carbon nanomaterials for functional micro/nanodevices’ development.

Prof. Dr. Josue Ortiz-Medina
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Micromachines is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • carbon-based microdevices
  • graphene
  • carbon nanostructures
  • carbon-based MEMS/NEMS
  • microdevices modeling
  • carbon-based electronics
  • carbon-based energy microdevices
  • carbon-based microfluidics

Published Papers (2 papers)

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Research

9 pages, 2559 KiB  
Article
Viscosity-Controllable Graphene Oxide Colloids Using Electrophoretically Deposited Graphene Oxide Sheets
by Jinseok Choi, Seong-Gyu Park, Yeo-Jin Choi, Seung-Mun Baek, Han-Jung Kim, Yoonkap Kim, Ki-Sik Im and Sung-Jin An
Micromachines 2022, 13(12), 2157; https://doi.org/10.3390/mi13122157 - 7 Dec 2022
Viewed by 1381
Abstract
Graphene oxide (GO) is one of the interesting ink materials owing to its fascinating properties, such as high dissolubility in water and high controllable electric properties. For versatile printing application, the viscosity of GO colloids should be controlled in order to meet the [...] Read more.
Graphene oxide (GO) is one of the interesting ink materials owing to its fascinating properties, such as high dissolubility in water and high controllable electric properties. For versatile printing application, the viscosity of GO colloids should be controlled in order to meet the specific process requirements. Here, we report on the relatively rapid fabrication of viscosity-increased GO (VIGO) colloids mixed with electrophoretically deposited GO sheets (EPD-GO). As the GO colloid concentration, applied voltage, and deposition time increase, the viscosity of the GO colloids becomes high. The reason for the improved viscosity of GO colloids is because EPD-GO has parallel stacked GO sheets. The GO and VIGO colloids are compared and characterized using various chemical and structural analyzers. Consequently, our simple and fast method for the fabrication of GO colloids with enhanced viscosity can be used for producing inks for flexible and printed electronics. Full article
(This article belongs to the Special Issue Smart Carbon Nanostructures and Applications)
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14 pages, 2972 KiB  
Article
Application of MnO2 Nanorod–Ionic Liquid Modified Carbon Paste Electrode for the Voltammetric Determination of Sulfanilamide
by Hadi Beitollahi, Somayeh Tajik and Antonio Di Bartolomeo
Micromachines 2022, 13(4), 598; https://doi.org/10.3390/mi13040598 - 10 Apr 2022
Cited by 22 | Viewed by 2154
Abstract
The current work introduced a convenient single-phase hydrothermal protocol to fabricate MnO2 nanorods (MnO2 NRs). Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), Energy-dispersive X-ray spectroscopy (EDX) and field-emission scanning electron microscopy (FE-SEM) were used to determine the characteristics of MnO [...] Read more.
The current work introduced a convenient single-phase hydrothermal protocol to fabricate MnO2 nanorods (MnO2 NRs). Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), Energy-dispersive X-ray spectroscopy (EDX) and field-emission scanning electron microscopy (FE-SEM) were used to determine the characteristics of MnO2 NR. Then, ionic liquid (IL) and MnO2 NRs were utilized to modify a carbon paste electrode (CPE) surface (MnO2NR-IL/CPE) to voltammetrically sense the sulfanilamide (SAA). An enhanced voltammetric sensitivity was found for the as-developed modified electrode toward SAA when compared with a bare electrode. The optimization experiments were designed to achieve the best analytical behavior of the SAA sensor. Differential pulse voltammetry (DPV) in the optimized circumstances portrayed a linear dependence on various SAA levels (between 0.07 and 100.0 μM), possessing a narrow detection limit (0.01 μM). The ability of the modified electrode to be used in sensor applications was verified in the determination of SAA present in the actual urine and water specimens, with impressive recovery outcomes. Full article
(This article belongs to the Special Issue Smart Carbon Nanostructures and Applications)
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