Special Issue "Nano-Catalyst: Green Synthesis and Functionalization"

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

Deadline for manuscript submissions: 31 December 2021.

Special Issue Editor

Prof. Dr. Younes Hanifehpour
Website
Guest Editor
School of Mechanical Engineering, Regional Leading Research Center, Yeungnam University, Republic of Korea
Interests: Nanostructured semiconductor, Nanocatalyst for waste water treatment, Lanthanide-doped nanomaterials, Luminescent Inorganic compounds, Supramolecule, Coordination Polymer.
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Special Issue Information

Dear Colleagues,

Nanocrystalline semiconductor photocatalysis schemes as the most advanced photocatalysts for environmental remedial procedures, such as water purification, heavy metal degradation, air purification, and hazardous waste remediation have been widely investigated lately; this is owing to their high functionality and non-secondary pollution .It is of interest for both fundamental and applied research to study the impacts of impurities on the physical features of a semiconductor. In semiconductor photocatalysts, doping lanthanide ions with 4f electron configurations also might enhance the split-up rate of photo-induced charge transferors and boost considerably the activity of photocatalyst. Also, nanohybrid composites with various metal contents have been broadly studied as the most promising photocatalyst for environmental and hazardous waste remediation processes.

In addition, expanding number of metal-organic frameworks (MOFs) have recently been identified as a new generation of emerging porous photocatalysts in photocatalysis, since their intrinsic coordination structure between the metal cluster and organic ligands offers MOFs great flexibility to tune their semiconducting property for enhanced light harvesting. In order to improve their performance substantially and achieve widespread application of MOF photocatalysts, it is necessary to develop effective synthesis strategies and understand their semiconducting crystal structure, photocatalytic mechanism in depth.

Prof. Dr. Younes Hanifehpour
Guest Editor

Manuscript Submission Information

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Keywords

  • Lanthanide-doped semiconductors
  • Nanomaterials as photocatalyst
  • Synthesis of Nano-catalyst
  • Nano-hybrid materials for environmental application
  • Modification of Nano-catalyst band gap
  • Metal-doped Nano-catalyst
  • Synthesis of novel Metal Organic framework as a Nanocatalyst

Published Papers (1 paper)

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Research

Open AccessArticle
Sonochemical Synthesis, Characterization and Optical Properties of Tb-Doped CdSe Nanoparticles: Synergistic Effect between Photocatalysis and Sonocatalysis
Nanomaterials 2021, 11(2), 378; https://doi.org/10.3390/nano11020378 - 02 Feb 2021
Viewed by 340
Abstract
In this study, Tb-doped CdSe nanoparticles with variable Tb3+ content were synthesized by a simple sonochemical technique. The synthesized nanoparticles were characterized by X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), and powder X-ray diffraction (XRD). The sono-photocatalytic activities of the as-prepared [...] Read more.
In this study, Tb-doped CdSe nanoparticles with variable Tb3+ content were synthesized by a simple sonochemical technique. The synthesized nanoparticles were characterized by X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), and powder X-ray diffraction (XRD). The sono-photocatalytic activities of the as-prepared specimens were assessed for the degradation of Reactive Black 5. The experimental results show that the sono-photocatalytic process (85.25%) produced a higher degradation percentage than the individual sono- (22%) and photocatalytic degradation (8%) processes for an initial dye concentration and Tb-doped CdSe dosage of 20 mg/L and 1 g/L, respectively. Response surface methodology (RSM) was utilized to assess model and optimize the impacts of the operational parameters, namely, the Tb3+ content, initial dye concentration, catalyst dosage, and time. The addition of benzoquinone results in remarkably inhibited degradation and the addition of ammonium oxalate reduced the removal percentage to 24%. Superoxide radicals and photogenerated holes were detected as the main oxidative species. Full article
(This article belongs to the Special Issue Nano-Catalyst: Green Synthesis and Functionalization)
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