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Nanocomposites for Functional Applications

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Nanomaterials and Nanotechnology".

Deadline for manuscript submissions: 20 July 2024 | Viewed by 1243

Special Issue Editors


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Guest Editor
Chair for Multicomponent Materials, Kiel University, Kiel, Germany
Interests: nanoparticles; functional nanocomposites; vapor phase deposition; X-ray spectroscopy; functional adsorbates

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Guest Editor
Faculty of Engineering, Institute of Materials Science, Christian-Albrechts-Universität zu Kiel, Kiel, Germany
Interests: memristive switching; nanocomposites; nanoparticles
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Recent decades have seen research, development, and applications of nanomaterials offering novel and outstanding properties based on their nano-size. In this context, nanocomposites consisting of a nanocomponent, e.g., nanoparticles, nanofibers or nanosheets, typically in a polymeric or ceramic matrix are heavily investigated. Such nanocomposites possess outstanding properties and are particularly interesting for a multitude of different functional applications. Among others, these include optical properties based on, e.g., plasmonic absorption of nanoparticles which can be used for structural colours or thin-film solar absorption. Another field is the use of nanocomposites in sensors for gases, vapours or biomolecules, taking advantage of the sensitive electronic properties. Additionally, the inclusion of plasmonic and/or catalytically active nanoparticles has greatly enhanced the performance of photocatalytic materials. A rather new field is the application of nanocomposites in neuromorphic computing where the changes in electrical properties allow to emulate brain-like functions. Lastly, the unique combination of functional properties also makes nanocomposites interesting for medical applications, e.g., as antibacterial coatings or for controlled drug release. In this Special Issue, we would like to cover nanocomposites from their preparation and the characterization of their unique properties, up to the many different possible applications.

Dr. Thomas Strunskus
Dr. Alexander Vahl
Guest Editors

Manuscript Submission Information

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Keywords

  • nanomaterials
  • composites
  • synthesis
  • advanced manufacturing
  • coating
  • optical
  • thermal
  • electrical
  • wettability
  • stimuli-responsive
  • memristive

Published Papers (1 paper)

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Research

12 pages, 27110 KiB  
Article
Silicon Vacancy in Boron-Doped Nanodiamonds for Optical Temperature Sensing
by Masfer Alkahtani
Materials 2023, 16(17), 5942; https://doi.org/10.3390/ma16175942 - 30 Aug 2023
Cited by 1 | Viewed by 966
Abstract
Boron-doped nanodiamonds (BNDs) have recently shown a promising potential in hyperthermia and thermoablation therapy, especially in heating tumor cells. To remotely monitor eigen temperature during such operations, diamond color centers have shown a sensitive optical temperature sensing. Nitrogen-vacancy (NV) color center in diamonds [...] Read more.
Boron-doped nanodiamonds (BNDs) have recently shown a promising potential in hyperthermia and thermoablation therapy, especially in heating tumor cells. To remotely monitor eigen temperature during such operations, diamond color centers have shown a sensitive optical temperature sensing. Nitrogen-vacancy (NV) color center in diamonds have shown the best sensitivity in nanothermometry; however, spin manipulation of the NV center with green laser and microwave-frequency excitations is still a huge challenge for biological applications. Silicon-vacancy (SiV) color center in nano/bulk diamonds has shown a great potential to be a good replacement of the NV center in diamond as it can be excited and detected within the biological transparency window and its thermometry operations depends only on its zero-phonon line (ZPL) shift as a function of temperature changes. In this work, BNDs were carefully etched on smooth diamond nanocrystals’ sharp edges and implanted with silicon for optical temperature sensing. Optical temperature sensing using SiV color centers in BNDs was performed over a small range of temperature within the biological temperature window (296–308 K) with an excellent sensitivity of 0.2 K in 10 s integration time. These results indicate that there are likely to be better application of more biocompatible BNDs in hyperthermia and thermoablation therapy using a biocompatible diamond color center. Full article
(This article belongs to the Special Issue Nanocomposites for Functional Applications)
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