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Nanomaterials
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Micro-/Nanoengineering Systems
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Micro-/Nanoengineering Systems

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanofabrication and Nanomanufacturing".

Deadline for manuscript submissions: closed (10 December 2024) | Viewed by 1427

Special Issue Editors

Dr. Nguyen Van Toan

E-Mail Website
Guest Editor
Graduate School of Engineering, Tohoku University, Sendai, Japan
Interests: microelectromechanical systems (MEMS)/ nanoelectromechanical systems (NEMS); optical modulator devices; energy harvesting; IoT sensors
Prof. Dr. Takahito Ono

E-Mail Website
Guest Editor
Department of Mechanical Systems Engineering, Tohoku University, Sendai 980-8579, Japan
Interests: nanotechnology-MEMS/NEMS
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The rapid development of Internet of Things (IoT) technologies has emerged as a pivotal solution to address worldwide issues such as an aging society, environmental concerns, and energy usage. Micro-/Nanoengineering systems play a vital role in advancing the IoT due to their miniaturization, energy efficiency, cost-effectiveness, high performance, enhanced functionality, scalability and flexibility. Device-/System-based micro-/nanofabrication technologies demonstrate increased intelligence and responsiveness to their environment. This Special Issue aims to bring together researchers from academia and industry to share their latest findings, discuss challenges and opportunities, and provide insights into future directions of research in the field of micro-/nanoengineering systems.

This Special Issue will focus on recent works related to micro-/nanotechnologies and devices. Topics can include but are not limited to:

  1. Novel micro-/nano fabrication technologies;
  2. Micro-/Nano electro-mechanical devices and systems;
  3. Micro-/Nanodevices for energy harvesting and storage applications;
  4. Micro-/Nanodevices for biomedical engineering;
  5. Micro-/Nanodevices for micro-/nanofluidics;
  6. Micro-/Nanodevices based on nanomaterials;
  7. Integration of micro-/nanodevices with other technologies.

Dr. Nguyen Van Toan
Prof. Dr. Takahito Ono
Guest Editors

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

  • micro-/nanofabrication technologies
  • MEMS/NEMS
  • nanomaterials
  • micro-/nanosensors
  • micro/nano energy
  • energy harvesting
  • energy storage
  • bio-sensor
  • Internet of Things

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Published Papers (1 paper)

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Research

12 pages, 6564 KiB  
Article
A Novel Method for Rapid and High-Performance SERS Substrate Fabrication by Combination of Cold Plasma and Laser Treatment
by Thi Quynh Xuan Le, Thanh Binh Pham, Van Chuc Nguyen, Minh Thu Nguyen, Thu Loan Nguyen and Nguyen Thuan Dao
Nanomaterials 2024, 14(21), 1689; https://doi.org/10.3390/nano14211689 - 22 Oct 2024
Viewed by 774
Abstract
In this paper, we report a simple yet efficient method for rapid and high-performance SERS substrate fabrication by a combination of cold plasma and laser treatment. Our analysis reveals that cold plasma pre-treatment significantly reduced surface roughness, transforming 200 nm spikes into an [...] Read more.
In this paper, we report a simple yet efficient method for rapid and high-performance SERS substrate fabrication by a combination of cold plasma and laser treatment. Our analysis reveals that cold plasma pre-treatment significantly reduced surface roughness, transforming 200 nm spikes into an almost perfectly uniform surface, while enhancing the substrate’s surface energy by lowering the water contact angle from 59° to 0°, all achieved within just 30 s of 0.9-mW plasma treatment, while 15-min green-laser treatment facilitated more uniform deposition of AuNPs across the entire treated area, effectively creating the SERS substrates. The combined treatments result in enhancement of the Raman intensity (11 times) and consistency over the whole area of the SERS substrates, and their reusability (up to 10 times). The fabricated SERS substrates exhibit a significant enhancement factor of approximately 3 × 10⁸ with R6G, allowing detection down to a concentration of 10−12 M. We demonstrate the application of these SERS substrates by detecting amoxicillin—an antibiotic used worldwide to treat a diversity of bacterial infections—in a dynamic expanded linear range of seven orders (from 10−3 to 10−9 M) with high reliability (R2 = 0.98), and a detection limit of 9 × 10−10 M. Our approach to high-performance SERS substrate fabrication holds potential for further expansion to other metallic NPs like Ag, or magnetic NPs (Fe3O4). Full article
(This article belongs to the Special Issue Micro-/Nanoengineering Systems)
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