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Advances in Nanomaterials for Sensing Applications

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

Deadline for manuscript submissions: closed (31 May 2025) | Viewed by 162

Special Issue Editor


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Guest Editor
Joint Laboratory of Optofluidic Technology and System, National Center for International Research on Green Optoelectronics, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China
Interests: analytical chemistry; electrochemical sensing; photoelectrochemical sensing

Special Issue Information

Dear Colleagues,

Nanomaterial-based sensors are very hot topic due to their potential applications in food safety, environmental monitoring, pollution control, and disease diagnosis. At present, different kinds of nanomaterials have been synthesized to improve the properties and sensitivity of sensors, which are widely used in all aspects of life. Nanomaterials are key elements of sensors and generally use functional polymers, nanocomposites, and quantum dots as their substrates. It is crucial to modify the molecular structure, composition, and interfaces of nanomaterials to control their properties and allow for their application in various fields, such as sensing and energy storage.

In this Special Issue, we would like to highlight the latest advancements in the development of advanced nanomaterials and the optimization of their properties in terms of electrochemical and optical sensing. This Special Issue focuses on the synthesis, characterization, and sensing mechanisms of nanomaterials. We are seeking original research papers, short communications, and review articles covering the progress being made in the field of advanced nanomaterials to improve the performance of sensors.

Dr. Zhenping Liu
Guest Editor

Manuscript Submission Information

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Keywords

  • nanomaterial
  • sensor
  • electrochemical sensor
  • photoelectrochemical sensor
  • biosensor

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Published Papers (1 paper)

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Research

18 pages, 3558 KiB  
Article
Zeolitic-Imidazole Framework (ZIF)-Derived ZnO Doped with Ag for Improved Ethanol Sensing Applications
by Claudio Clemente, Valentina Gargiulo, Luciana Cimino, Giovanni Piero Pepe, Giovanni Ausanio, Ettore Massera and Michela Alfe
Molecules 2025, 30(12), 2611; https://doi.org/10.3390/molecules30122611 - 16 Jun 2025
Abstract
Materials derived from metal–organic frameworks (MOFs) as MOF-derived oxides retain a highly porous and active structure from the MOF precursor, exhibiting excellent sensing properties. In addition, the tunable nature of MOFs allows the structural and chemical properties of the resulting oxides to be [...] Read more.
Materials derived from metal–organic frameworks (MOFs) as MOF-derived oxides retain a highly porous and active structure from the MOF precursor, exhibiting excellent sensing properties. In addition, the tunable nature of MOFs allows the structural and chemical properties of the resulting oxides to be specifically tuned to enhance their performance as sensing materials. In this work, zinc-based MOF structures belonging to the family of zeolitic imidazolate frameworks (ZIFs) were synthesized, characterized and then subjected to a high-temperature calcination process to obtain the corresponding oxides. To improve sensing performance, various silver doping strategies (1 wt.%) were explored, specifically through a growth process and an impregnation process. Among these approaches, the oxide obtained via the growth process demonstrates superior performance, exhibiting a response 5.8 times higher than pristine ZnO when exposed to 80 ppm of ethanol at 300 °C in a humidity-controlled chamber. These results highlight the potential of silver doping via growth process as an effective strategy to enhance the sensing performance of MOF-derived ZnO. Full article
(This article belongs to the Special Issue Advances in Nanomaterials for Sensing Applications)
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