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Nanomaterials
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Gas Sensor Based on Carbon Nanomaterials
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Gas Sensor Based on Carbon Nanomaterials

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanoelectronics, Nanosensors and Devices".

Deadline for manuscript submissions: closed (30 April 2023) | Viewed by 2691

Special Issue Editor

Dr. Qasem Ahmed Drmosh

E-Mail Website
Guest Editor
Interdisciplinary Research Center for Hydrogen and Energy Storage (HES), King Fahd University of Petroleum and Minerals (KFUPM), Dhahran 31261, Saudi Arabia
Interests: gas sensors; thin films; nanomaterials; energy storage; hydrogen; laser ablation

Special Issue Information

Dear Colleagues,

Gas sensors are attracting great interest due to their widespread applications in environmental monitoring, industry, space exploration, pharmaceutics, and biomedicine. This Special Issue titled “Gas Sensor Based on Carbon Nanomaterials” is related to the fabrication, characterization, and gas sensing capabilities of carbon-based nanomaterials including activated carbon, carbon-based quantum dots, carbon nanotubes, graphene, graphitic carbon nitrite, and carbon nanofibers. In this Special Issue, original research articles and reviews confronting all types of carbon-based nanomaterials for gas sensing applications such as chemiresistive, electrochemical, fluorescence, and optical sensors fall within the scope of this Special Issue.

Research areas may include (but not limited to) the following:

  • Synthesis of and characterization of carbon-based nanomaterials materials including activated carbon, carbon-based quantum dots, carbon nanotubes, graphene, graphitic carbon nitrite, and carbon nanofibers for gas sensing applications;
  • Carbon-based nanomaterials for environmental sensing;
  • Carbon-based nanomaterials for humidity sensing;
  • Carbon-based nanomaterials for electronic biosensing;
  • Carbon-based SERS biosensor;
  • Carbon-based nanomaterials for flexible and wearable sensors;
  • Light activated carbon-based nanomaterials for gas sensing applications;
  • Simulation, modeling, and gas sensing mechanism of carbon-based nanomaterials.

I look forward to receiving your contributions.

Dr. Qasem Ahmed Drmosh
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. Nanomaterials is an international peer-reviewed open access semimonthly 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 2900 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

  • graphene and its derivatives
  • carbon nanotubes
  • activated carbon
  • carbon-based quantum dots
  • gas-sensing mechanism
  • heterostructure and nanocomposite materials

Published Papers (2 papers)

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Research

13 pages, 3604 KiB  
Article
Regulating the Electron Depletion Layer of Au/V2O5/Ag Thin Film Sensor for Breath Acetone as Potential Volatile Biomarker
by Bader Mohammed Alghamdi, Nawaf Mutab Alharbi, Ibrahim Olanrewaju Alade, Badriah Sultan, Mohammed Mansour Aburuzaizah, Turki N. Baroud and Qasem A. Drmosh
Nanomaterials 2023, 13(8), 1372; https://doi.org/10.3390/nano13081372 - 14 Apr 2023
Cited by 1 | Viewed by 1739
Abstract
Human exhaled breath has been utilized to identify biomarkers for diseases such as diabetes and cancer. The existence of these illnesses is indicated by a rise in the level of acetone in the breath. The development of sensing devices capable of identifying the [...] Read more.
Human exhaled breath has been utilized to identify biomarkers for diseases such as diabetes and cancer. The existence of these illnesses is indicated by a rise in the level of acetone in the breath. The development of sensing devices capable of identifying the onset of lung cancer or diabetes is critical for the successful monitoring and treatment of these diseases. The goal of this research is to prepare a novel breath acetone sensor made of Ag NPs/V2O5 thin film/Au NPs by combining DC/RF sputtering and post-annealing as synthesis methods. The produced material was characterized using X-ray diffraction (XRD), UV-Vis, Raman, and atomic force microscopy (AFM). The results revealed that the sensitivity to 50 ppm acetone of the Ag NPs/V2O5 thin film/Au NPs sensor was 96%, which is nearly twice and four times greater than the sensitivity of Ag NPs/V2O5 and pristine V2O5, respectively. This increase in sensitivity can be attributed to the engineering of the depletion layer of V2O5 through the double activation of the V2O5 thin films with uniform distribution of Au and Ag NPs that have different work function values. Full article
(This article belongs to the Special Issue Gas Sensor Based on Carbon Nanomaterials)
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9 pages, 2330 KiB  
Article
Radio Frequency Identification Temperature/CO2 Sensor Using Carbon Nanotubes
by Ayesha Habib, Safia Akram, Mohamed R. Ali, Taseer Muhammad, Sajeela Zainab and Shafia Jehangir
Nanomaterials 2023, 13(2), 273; https://doi.org/10.3390/nano13020273 - 9 Jan 2023
Cited by 5 | Viewed by 1658
Abstract
In the world of digitization, different objects cooperate with the Internet of Things (IoT); these objects also amplify using sensing and data processing structures. Radio frequency identification (RFID) has been identified as a key enabler technology for IoT. RFID technology has been used [...] Read more.
In the world of digitization, different objects cooperate with the Internet of Things (IoT); these objects also amplify using sensing and data processing structures. Radio frequency identification (RFID) has been identified as a key enabler technology for IoT. RFID technology has been used in different conventional applications for security, goods storage, transportation and asset management. In this paper, a fully inkjet-printed chipless radio frequency identification (RFID) sensor tag is presented for the wireless identification of tagged objects. The dual polarized tag consists of two resonating structures functioning wirelessly. One resonator works for encoding purpose and other resonator is used as a CO2/temperature sensor. The sensing behavior of the tag relies on the integration of a meandered structure comprising of multi-wall carbon nanotubes (MWCNT). The MWCNT is highly sensitive to CO2 gas. The backscattered response of the square-shaped cascaded split ring resonators (SRR) is analyzed through a radar cross-section (RCS) curve. The overall tag dimension is 42.1 mm × 19.5 mm. The sensing performance of the tag is examined and optimized for two different flexible substrates, i.e., PET and Kapton®HN. The flexible tag structure has the capability to transmit 5-bit data in the frequency bands of 2.36–3.9 GHz and 2.37–3.89 GHz, for PET and Kapton®HN, respectively. The proposed chipless RFID sensor tag does not require any microchip or a power source, so it has a great potential for low-cost and automated temperature/CO2 sensing applications. Full article
(This article belongs to the Special Issue Gas Sensor Based on Carbon Nanomaterials)
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