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Nanoparticles and Nanocrystals: Design, Characterization, and Applications

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

Deadline for manuscript submissions: closed (20 June 2022) | Viewed by 1491

Special Issue Editor


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Guest Editor
Department of Education Chemistry, Gyeongsang National University, Jinju 52828, Republic of Korea
Interests: nanoparticles; nanostructure; electrochemistry; shape control
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

With the growing concerns about global warming and the depletion of petroleum resources, many researchers’ efforts are directed towards the research and development of renewable energy production and energy storage technologies. A critical element in the pursuit of this quest is to find efficient and cost-effective catalysts to use in electrochemical energy conversion and storage processes. The development of high-performance and cost-effective bi-functional electrochemical catalysts is highly desirable, considering the energy crisis and environmental problems.

This Special Issue will focus on using bi-functional electrocatalysts to generate power or hydrogen. This Special Issue will include reviews and original research articles describing recent developments and advances of bi-functional catalysts in their design, preparation, and characterization with unique properties, with the aim of improving catalytic performance for energy conversion and storage system applications as well as developing our understanding of photocatalytic reactions.

It is my pleasure to invite you to submit a manuscript to this Special Issue. Full papers, communications, and reviews are all welcome.

Prof. Dr. Young Wook Lee
Guest Editor

Manuscript Submission Information

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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

  • surface Raman enhancement (SERS)
  • photoelectrochemistry
  • electrochemistry
  • shape-controlled nanoparticles
  • nanostructures
  • bi-functional electrocatalysts
  • energy conversion

Published Papers (1 paper)

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Research

10 pages, 2596 KiB  
Article
Retrieval of Size Distribution and Concentration of Au-Ag Alloy Nanospheroids by Spectral Extinction Method
by Yuxia Zheng, Paerhatijiang Tuersun, Remilai Abulaiti, Dengpan Ma and Long Cheng
Materials 2022, 15(5), 1778; https://doi.org/10.3390/ma15051778 - 26 Feb 2022
Cited by 1 | Viewed by 1156
Abstract
In order to monitor the synthesis processes or characterize nanoparticles for application, a new method that allows in situ determination of the two-dimensional size distribution and concentration of Au-Ag alloy nanospheroids, based on their extinction spectrum, is developed. Non-negative Tikhonov regularization and T-matrix [...] Read more.
In order to monitor the synthesis processes or characterize nanoparticles for application, a new method that allows in situ determination of the two-dimensional size distribution and concentration of Au-Ag alloy nanospheroids, based on their extinction spectrum, is developed. Non-negative Tikhonov regularization and T-matrix method were used to solve the inverse problem. The effects of the two-dimensional size steps, wavelength range, and measurement errors of extinction spectrum on the retrieval results were analyzed to verify the feasibility and accuracy of the retrieval algorithm. Through comparative analysis, the size steps and wavelength range that make the retrieval error smaller are found. After adding 0.1% random noise to the extinction spectrum, a small variation in the retrieval error of the mean size is observed. The results showed that the error of the mean size is smaller than 2% and the error of the concentration is smaller than 3%. This method is simple, fast, cheap, nondestructive, and can be done in situ during the growth process of nanoparticles. Full article
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