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Functional Materials for Chemical Sensing in Molecules

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Materials Chemistry".

Deadline for manuscript submissions: 30 April 2026 | Viewed by 4148

Special Issue Editors

Research Center for Analysis and Measurement, Kunming University of Science and Technology, Kunming 650223, China
Interests: microwave synthesis; photo-active functional materials; photosensitive materials
Special Issues, Collections and Topics in MDPI journals
School of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, China
Interests: sensitive materials; nano functional materials; intelligent sensor technology

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Guest Editor
School of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, China
Interests: microwave materials; gas-sensitive materials; diamond film; polymer materials

Special Issue Information

Dear Colleagues,

Chemical sensing is the process of converting chemical signals (such as gas molecules, water molecules, biomolecules, and drug molecules) into electrical signals, enabling the detection of molecular species and their concentrations. Functional materials lie at the core of achieving high-selectivity, high-precision, and fast-response chemotype sensors, which have been a major focus of research in recent years. These functional sensitive materials encompass carbon materials and their derivatives, metal oxides, precious metals, two-dimensional (2D) transition metal dichalcogenides (TMDs), MXenes, polymers, organic compounds, and their composite nanomaterials, which possess the characteristics of molecular adsorption, transfer, and conduction. Therefore, functional sensitive materials show broad development prospects, warranting extensive and in-depth exploration. Developing functional materials for chemical sensing in molecules not only promotes the development of materials science but also contributes to the progress of intelligent monitoring.

This Special Issue aims to provide a platform for researchers to share developments in functional materials for chemical sensing in molecules. Original research papers, review articles, and communications are all welcome.

Dr. Yi Xia
Dr. Qiuni Zhao
Dr. Ming Hou
Guest Editors

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 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

  • functional materials
  • sensing materials
  • nanomaterials
  • composites
  • design and synthesis
  • chemical sensing
  • gas sensors
  • humidity sensors
  • biosensors

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Published Papers (2 papers)

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Review

34 pages, 9024 KB  
Review
Development of Long-Term Stable MXene-Based Gas Sensing Material
by Jiabin Yang, Qingfu Dai, Haodong Wu, Li Yang, Shenghui Guo, Qiuni Zhao, Ming Hou, Sridhar Komarneni and Yi Xia
Molecules 2025, 30(22), 4440; https://doi.org/10.3390/molecules30224440 - 17 Nov 2025
Viewed by 911
Abstract
In recent years, rapid industrial development has led to the emission of diverse gaseous pollutants into the atmosphere. To detect and monitor these pollutants, gas sensors have become a critical technology. Researchers have developed numerous gas-sensitive materials, among which MXenes—a novel class of [...] Read more.
In recent years, rapid industrial development has led to the emission of diverse gaseous pollutants into the atmosphere. To detect and monitor these pollutants, gas sensors have become a critical technology. Researchers have developed numerous gas-sensitive materials, among which MXenes—a novel class of two-dimensional materials—have garnered significant attention. Owing to their excellent electron transport properties, abundant surface functional groups, and large specific surface area, MXenes find wide applications in catalysis, sensing, electromagnetic shielding, water treatment, and beyond. However, despite these outstanding properties, MXenes’ susceptibility to environmental degradation has hindered their broader development and application as long-term stable gas-sensitive materials. While recent studies have investigated degradation mechanisms and explored various stability enhancement strategies, comprehensive reviews specifically focusing on stability improvements for gas-sensing applications remain scarce. This review first examines the current research on MXene oxidation processes in different environments. Subsequently, it systematically summarizes existing strategies to enhance MXene’s long-term stability and its implementation in gas sensing, including optimization of preparation methods, surface protection and modification, composite construction, and other approaches. Finally, the review concludes by summarizing current progress and outlining future perspectives. Full article
(This article belongs to the Special Issue Functional Materials for Chemical Sensing in Molecules)
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27 pages, 3686 KB  
Review
Recent Advances on Biomass-Derived Carbon Materials-Based Electrochemical Sensors
by Dacheng Wang, Yan Deng, Xiaowei Liu, Baoli Wang and Feng Yang
Molecules 2025, 30(14), 3046; https://doi.org/10.3390/molecules30143046 - 21 Jul 2025
Cited by 4 | Viewed by 3018
Abstract
Biomass-derived carbon materials (BDCMs) have garnered numerous research interests due to their conspicuous electrochemical merits, which makes them promising candidates for electrode modification materials in electrochemical sensors. This review focuses on the recent progress in BDCM-based electrochemical sensors. We summarize the main synthesis [...] Read more.
Biomass-derived carbon materials (BDCMs) have garnered numerous research interests due to their conspicuous electrochemical merits, which makes them promising candidates for electrode modification materials in electrochemical sensors. This review focuses on the recent progress in BDCM-based electrochemical sensors. We summarize the main synthesis methods and properties of BDCMs and their electrochemical sensing applications in the detection of environmental pollutants, drugs, and biomolecules. This review also emphasizes the advantages and disadvantages of each preparation method, as well as the limitations in detecting the target substance. Furthermore, this review discusses the current challenges and future prospects for advancing biomass-derived carbon materials-based electrochemical sensors. Full article
(This article belongs to the Special Issue Functional Materials for Chemical Sensing in Molecules)
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