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Micromachines
Special Issues
Advanced Microfluidic Chips: Optical Sensing and Detection
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Advanced Microfluidic Chips: Optical Sensing and Detection

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "E：Engineering and Technology".

Deadline for manuscript submissions: 31 May 2024 | Viewed by 868

Special Issue Editors

Prof. Dr. Junsheng Wang

E-Mail Website
Guest Editor
College of Information and Science Technology, Dalian Maritime University, Dalian 116026, China
Interests: optical sensing and detection; lab-on-chip; microfluidic and nanofluidic chip
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Xuan Weng

E-Mail Website
Guest Editor
School of Mechanical Engineering, University of Electronic Science and Technology of China, Chengdu 61131, China
Interests: microfluidics; microfluidics-based biosensors; disease diagnosis; drug screening and assistive systems

Special Issue Information

Dear Colleagues,

Microfluidic chips offer an excellent sample platform for the detection and analysis of substances, showcasing their immense potential in various fields, such as biology, medicine, and environmental sciences. Their compact size, precision, and rapidity further enhance their applicability. Optics, as a time-honored and innovative science and engineering technology, has witnessed a century of development. The resulting technical equipment, such as laser-induced fluorescence, spectroscopy, imaging, micro-nano optics, and optical fiber sensing, have extensive applications across various fields. The integration of microfluidic chip platforms with optical sensing technology remains a prominent research area with immense potential.

This Special Issue focuses on the use of optical biosensing and detection in microfluidic chips while also welcoming contributions related to other sensing technologies and their combined applications with microfluidic chips.

We look forward to receiving your contributions.

Prof. Dr. Junsheng Wang
Prof. Dr. Xuan Weng
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. Micromachines is an international peer-reviewed open access monthly 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 2600 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

  • optical biosensing
  • microfluidic chips
  • optical fluidic
  • photoelectric sensing
  • sensing and detection

Published Papers (1 paper)

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Research

10 pages, 2297 KiB  
Article
Encapsulation of CsPb2Br5 in TiO2 Microcrystals to Enhance Environmental Stability
by Yuezhu Wang, Xiaotong Xu, Wenchao Yang, Yawen Wei and Junsheng Wang
Micromachines 2023, 14(12), 2186; https://doi.org/10.3390/mi14122186 - 30 Nov 2023
Viewed by 659
Abstract
All-inorganic lead halide perovskite has emerged as an attractive semiconducting material due to its unique optoelectronic properties. However, its poor environmental stability restricts its broad application. Here, a simple method for the fabrication of CsPb2Br5/TiO2 is investigated. The [...] Read more.
All-inorganic lead halide perovskite has emerged as an attractive semiconducting material due to its unique optoelectronic properties. However, its poor environmental stability restricts its broad application. Here, a simple method for the fabrication of CsPb2Br5/TiO2 is investigated. The introduction of p-aminobenzoic acid, which has two functional groups, is critical for the capping of amorphous TiO2 on CsPb2Br5. After calcination at 300 °C, amorphous TiO2 crystallizes into the anatase phase. The CsPb2Br5/TiO2 NCs show high long-term stability in water and enhanced stability against ultraviolet radiation and heat treatment, owing to the chemical stability of TiO2. More importantly, photo-electrochemical characterizations indicate that the formation of TiO2 shells can increase the charge separation efficiency. Hence, CsPb2Br5/TiO2 exhibits improved photoelectric activity owing to the electrical conductivity of the TiO2 in water. This study provides a new route for the fabrication of optoelectronic devices and photocatalysts based on perovskite NCs in the aqueous phase. Furthermore, the present results demonstrate that CsPb2Br5/TiO2 NCs has considerable potential to be used as a photoelectric material in optical sensing and monitoring. Full article
(This article belongs to the Special Issue Advanced Microfluidic Chips: Optical Sensing and Detection)
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