Applications of Smart Nanomaterials

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanocomposite Materials".

Deadline for manuscript submissions: closed (31 May 2023) | Viewed by 3278

Special Issue Editors


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Guest Editor
Institute of Electronic, Microelectronic and Nanotechnology (UMR CNRS 8520), University of Lille, Lille, France
Interests: micro-nano fabrication; smart material; wearable sensor

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Assistant Guest Editor
Department of Mechanical Engineering, Columbia University, New York, NY, USA
Interests: nanomaterials and nanoelectronics; optoelectronics and plasmonics

Special Issue Information

Dear Colleagues,

Smart materials are a class of materials capable of self-respond to various stimuli such as mechanical, thermal, optical, electrical, and chemical. Due to its properties, it is the ideal material for developing next-generation transducers. On the other hand, thanks to the advanced synthesis and micro-nano fabrication process, nanomaterials with different morphologies, including quantum dot, nanoparticle, nanotube, and 2D materials exhibit outstanding physio-chemical functionalities, are developed and exhibit attractive physical/chemical properties in both fundamental research and novel applications. The combination of the two emerging types of materials brings into nanomaterials adapted sensing/actuating technologies, which not only improve the performance of the transducers but also create more functions, especially in chemical, biological, and environmental research. This trend of integrating nanotechnology into smart materials will continuously benefit the transducer field and will significantly improve our daily life in the future.

The current Special Issue on Nanomaterials is aimed at presenting the state-of-the-art research of smart nanomaterials and their applications in various fields. This includes the new method of preparing smart nanomaterials, improved device performance benefits from the smart nanomaterials and novel applications in various fields. We invite authors to contribute original research articles and review articles covering the current progress and providing the view of the cutting-edge technologies.

Dr. Haotian Chen
Guest Editor

Dr. Yang Liu
Assistant Guest Editor

Manuscript Submission Information

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Keywords

  • nanomaterials
  • nanotechnologies
  • smart materials
  • sensors
  • actuators
  • tranducers

Published Papers (2 papers)

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Research

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15 pages, 2274 KiB  
Article
Calculation of the Maximum Temperature of Diester-Based Magnetic Fluid Layers in High-Speed Seals
by Yanhong Cheng, Zhe Su, Jiayi Zhou, Zhifeng Liu, Decai Li, Caixia Zhang and Jingjing Xu
Nanomaterials 2023, 13(6), 1019; https://doi.org/10.3390/nano13061019 - 11 Mar 2023
Cited by 2 | Viewed by 1360
Abstract
Magnetic fluids, as smart nanomaterials, have been successfully used in sealing applications and other fields. However, the temperature of magnetic fluids in the sealing gap is a key factor affecting sealing performances, limiting their application in high-speed sealing fields. Since obtaining a direct [...] Read more.
Magnetic fluids, as smart nanomaterials, have been successfully used in sealing applications and other fields. However, the temperature of magnetic fluids in the sealing gap is a key factor affecting sealing performances, limiting their application in high-speed sealing fields. Since obtaining a direct measurement of the magnetic fluid’s temperature is difficult, due to the small clearance, accurately calculating the maximum temperature of the magnetic fluid layer in high-speed seals is crucial. Herein, a mathematical model for calculating the maximum temperature of the magnetic fluid layer was established, by using a reasonable simplification of high-speed sealing conditions, and the calculation formula was modified by studying the rheological properties of the diester-based magnetic fluid. The results suggest that the calculation of the maximum temperature is influenced by viscous dissipation, and both are related to the rheological characteristics of magnetic fluids. When the influence of rheological properties is ignored, the calculation results are not accurate for higher-velocity seals, but the calculation model applies to lower-velocity seals. When the influence of rheological properties is considered, the calculation results obtained by the corrected formula are more accurate, and they are applicable to both lower- and higher-velocity seals. This work can help us more accurately and conveniently estimate the maximum temperature of magnetic fluids in high-speed seal applications, which is of theoretical and practical research significance for determining sealing performances and thermal designs. Full article
(This article belongs to the Special Issue Applications of Smart Nanomaterials)
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Review

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29 pages, 8256 KiB  
Review
Recent Progress of Photothermal Therapy Based on Conjugated Nanomaterials in Combating Microbial Infections
by Yue Zhao, Yi Wang, Xiaoyu Wang, Ruilian Qi and Huanxiang Yuan
Nanomaterials 2023, 13(15), 2269; https://doi.org/10.3390/nano13152269 - 7 Aug 2023
Cited by 4 | Viewed by 1639
Abstract
Photothermal therapy has the advantages of non-invasiveness, low toxicity, simple operation, a broad spectrum of antibacterial ability, and non-proneness to developing drug resistance, which provide it with irreplaceable superiority in fighting against microbial infection. The effect of photothermal therapy is closely related to [...] Read more.
Photothermal therapy has the advantages of non-invasiveness, low toxicity, simple operation, a broad spectrum of antibacterial ability, and non-proneness to developing drug resistance, which provide it with irreplaceable superiority in fighting against microbial infection. The effect of photothermal therapy is closely related to the choice of photothermal agent. Conjugated nanomaterials are potential candidates for photothermal agents because of their easy modification, excellent photothermal conversion efficiency, good photostability, and biodegradability. In this paper, the application of photothermal agents based on conjugated nanomaterials in photothermal antimicrobial treatment is reviewed, including conjugated small molecules, conjugated oligomers, conjugated polymers, and pseudo-conjugated polymers. At the same time, the application of conjugated nanomaterials in the combination of photothermal therapy (PTT) and photodynamic therapy (PDT) is briefly introduced. Finally, the research status, limitations, and prospects of photothermal therapy using conjugated nanomaterials as photothermal agents are discussed. Full article
(This article belongs to the Special Issue Applications of Smart Nanomaterials)
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