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Nanomaterials
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Nanomaterials with Controlled Morphology for Use in Catalysis and Biological...
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Nanomaterials with Controlled Morphology for Use in Catalysis and Biological Fields

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

Deadline for manuscript submissions: closed (30 November 2022) | Viewed by 3384

Special Issue Editors

Prof. Dr. Kezhen Qi

E-Mail Website
Guest Editor
College of Pharmacy, Dali University, Dali 671000, China
Interests: developing photocatalysts for water splitting; CO2 reduction and degradation of organic pollutants; using DFT calculations to study the reaction mechanism of heterogeneous catalytic process; using ionic liquids to control synthesis of nanocrystals with desired morphologies
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Kun Zheng

E-Mail Website
Guest Editor
1. Department of Hydrogen Energy, Faculty of Energy and Fuels, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Krakow, Poland
2. AGH Centre of Energy, AGH University of Science and Technology, ul. Czarnowiejska 36, 30-054 Krakow, Poland
Interests: materials for SOFCs, PCFCs and high-temperature ceramic electrolyzers; oxygen storage materials; oxygen separation ceramic membranes
Special Issues, Collections and Topics in MDPI journals
Dr. Rengaraj Selvaraj

E-Mail Website
Guest Editor
Department of Chemistry, College of Science, Sultan Qaboos University, P.O. Box 36. Al-Khod, Muscat 123, Oman
Interests: various novel applications of analytical and environmental technologies for water; wastewater treatment and to combine the nanotechnology (NT) with environmental technology (ET) in order to develop environmentally friendly nanomaterials and novel nanoscale systems
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The rational design and engineering of nanomaterials have attracted incessant research attention due to their intrinsic fascinating and novel properties for various practical applications. At present, the synthesis of nanomaterials with controlled size, morphology, and crystal phase is of the utmost importance to fine-tune their physico-chemical properties for widespread applications in material science and nanotechnology. This includes catalysis, sensors, environmental decontamination, energy storage and harvesting, the generation of bioactive materials and others. However, the development of functionalized nanomaterials with well-defined morphology and structure using a facile, scalable, low-cost, and environmentally friendly approach continues to be a grand challenge.

This Research Topic will highlight significant contributions made by leading researchers in the emerging field of nanomaterials. We invite original research and review articles focusing on the design, synthesis, modification, characterization, and modeling of inorganic nanomaterials as well as their versatile applications for sustainable development. Specific areas of interest include, but are not limited to, the following:

(1) Nanomaterials with novel properties for practical applications.

(2) Functionalization and characterization of nanomaterials.

(3) Phase engineering- and morphology-dependent properties of nanomaterials.

(4) Nanomaterials for application in photocatalysis, electrocatalysis, photothermal/photodynamic therapy, and bioluminescent probe.

(5) Tailoring of polymeric nanomaterials and organic–inorganic nanostructures.

(6) New methods and techniques for the preparation of hierarchical functional nanomaterials.

(7) The solubility, dispersion, de-functionalization, and optical properties of photoelectric functional materials.

(8) Photoelectric nanomaterials for photocatalysis applications in water splitting, CO2 reduction, pollutant degradation, antibacterial and so on.

(9) Inorganic catalysts used for soot combustion, NOx elimination and other organic reactions.

Prof. Dr. Kezhen Qi
Prof. Dr. Kun Zheng
Prof. Dr. Rengaraj Selvaraj 
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

  • nanomaterials
  • catalysis
  • morphology
  • heterojunction
  • photocatalyst

Published Papers (2 papers)

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Research

15 pages, 31386 KiB  
Article
Photocatalytic Hydrogen Production and Tetracycline Degradation Using ZnIn2S4 Quantum Dots Modified g-C3N4 Composites
by Jingjing Zhang, Xinyue Gu, Yue Zhao, Kai Zhang, Ya Yan and Kezhen Qi
Nanomaterials 2023, 13(2), 305; https://doi.org/10.3390/nano13020305 - 11 Jan 2023
Cited by 24 | Viewed by 2302
Abstract
In this work, ZnIn2S4/g-C3N4 (ZIS/CN) composites were synthesized by in-situ growth method, which showed excellent photocatalytic activity in the degradation of tetracycline and hydrogen production from water under visible light irradiation. ZnIn2S4 quantum [...] Read more.
In this work, ZnIn2S4/g-C3N4 (ZIS/CN) composites were synthesized by in-situ growth method, which showed excellent photocatalytic activity in the degradation of tetracycline and hydrogen production from water under visible light irradiation. ZnIn2S4 quantum dots (ZIS QDs) tightly combined with sheet g-C3N4 (CN) to accelerate the separation and transportation of photogenerated charges for enhanced photocatalytic activity. Among the prepared nanocomposites, 20%ZnIn2S4 QDs/g-C3N4 (20%ZIS/CN) delivered the highest photocatalytic activity. After 120 min of irradiation, the degradation rate of tetracycline with 20%ZIS/CN was 54.82%, 3.1 times that of CN while the rate of hydrogen production was 75.2 μmol·g−1·h−1. According to the optical and electrochemical characterization analysis, it was concluded that the excellent photocatalytic activities of the composite materials were mainly due to the following three points: enhancement in light absorption capacity, acceleration in the charge transport, and reduction in the carrier recombination rate through the formation of S-scheme heterojunction in the composite system. The high photocatalytic activity of ZIS/CN composites provides a new idea to develop highly efficient photocatalysts. Full article
(This article belongs to the Special Issue Nanomaterials with Controlled Morphology for Use in Catalysis and Biological Fields)
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14 pages, 5732 KiB  
Article
Automated Recognition of Nanoparticles in Electron Microscopy Images of Nanoscale Palladium Catalysts
by Daniil A. Boiko, Valentina V. Sulimova, Mikhail Yu. Kurbakov, Andrei V. Kopylov, Oleg S. Seredin, Vera A. Cherepanova, Evgeniy O. Pentsak and Valentine P. Ananikov
Nanomaterials 2022, 12(21), 3914; https://doi.org/10.3390/nano12213914 - 06 Nov 2022
Cited by 2 | Viewed by 1857
Abstract
Automated computational analysis of nanoparticles is the key approach urgently required to achieve further progress in catalysis, the development of new nanoscale materials, and applications. Analysis of nanoscale objects on the surface relies heavily on scanning electron microscopy (SEM) as the experimental analytic [...] Read more.
Automated computational analysis of nanoparticles is the key approach urgently required to achieve further progress in catalysis, the development of new nanoscale materials, and applications. Analysis of nanoscale objects on the surface relies heavily on scanning electron microscopy (SEM) as the experimental analytic method, allowing direct observation of nanoscale structures and morphology. One of the important examples of such objects is palladium on carbon catalysts, allowing access to various chemical reactions in laboratories and industry. SEM images of Pd/C catalysts show a large number of nanoparticles that are usually analyzed manually. Manual analysis of a statistically significant number of nanoparticles is a tedious and highly time-consuming task that is impossible to perform in a reasonable amount of time for practically needed large amounts of samples. This work provides a comprehensive comparison of various computer vision methods for the detection of metal nanoparticles. In addition, multiple new types of data representations were developed, and their applicability in practice was assessed. Full article
(This article belongs to the Special Issue Nanomaterials with Controlled Morphology for Use in Catalysis and Biological Fields)
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