Application of Catalysis-Free and Catalysis in One/Two Dimensional (1D/2D) Nanostructured Materials

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Catalytic Materials".

Deadline for manuscript submissions: closed (30 November 2022) | Viewed by 2726

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National Applied Research Laboratories, Hsinchu, Taiwan
Interests: epitaxial growth of III-nitrides; wide-band-gap materials
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Special Issue Information

Dear Colleagues,

This Special Issue of catalysis is focused on recent developments in the area of catalyst-free growth and characterization processing methods, materials, and related implementation. The Special Issue will cover the fundamentals of nanostructured materials and fabricated by various methods, such as vapor–liquid–solid, physical vapor deposition, chemical vapor deposition and atomic layer deposition, etc. Catalyst-free growth of materials has been widely applied in photoelectric fields because of their optical/electronic devices, which have been the subject of plenty of spectacular research. However, the growth of high-quality materials is very difficult due to issues pertaining to physical properties, thermal mismatch, non-stoichiometric stress/strain, etc. This Special Issue aims to cover the most recent progress and advances in the field of the catalyst-free growth and characterization of nanostructured materials, and it is aimed at identifying the current status and future directions in this emerging field via fusions of environmental science, chemistry, and materials science. In addition, due to the recent advancements in advanced process technology, future electronic and optoelectronic devices will not only be based on two-dimensional epi-wafers, but, using lateral patterning, more sophisticated three-dimensional objects (quantum dots, wires) can be grown. This is a big challenge as the growth conditions are very much different in that case, and the characterization of such structures is much more difficult. Also, challenges such as process control, cost, material integrity, and chemical and structural stability with improved functionalities are yet to be completely resolved.  Therefore, this Special Issue covers the significance of advanced materials for various catalyst-free growth technologies and materials properties.

Dr. Wei-Chun Chen
Guest Editor

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Keywords

  • 2D materials
  • TMDs
  • oxide
  • nitride
  • nanowires
  • nanorods 

Published Papers (1 paper)

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Research

14 pages, 4155 KiB  
Article
Stereoselective Approach to Hydroxyalkyl-1,2,3-triazoles Containing Cyclooctane Core and Their Use for CuAAC Catalysis
by Olga V. Ryzhikova, Kseniya N. Sedenkova, Sergey V. Kositov, Victor A. Tafeenko, Yuri K. Grishin and Elena B. Averina
Catalysts 2023, 13(5), 835; https://doi.org/10.3390/catal13050835 - 03 May 2023
Cited by 1 | Viewed by 1563
Abstract
1,2,3-Triazoles bearing additional functional groups have found applications as the ligands in catalysis of a broad scope of reactions, synthesis of transition metals complexes for various practicable purposes, and design of metal-based drugs. Triazolyl ligands accelerating CuAAC reactions, such as TBTA and TTTA, [...] Read more.
1,2,3-Triazoles bearing additional functional groups have found applications as the ligands in catalysis of a broad scope of reactions, synthesis of transition metals complexes for various practicable purposes, and design of metal-based drugs. Triazolyl ligands accelerating CuAAC reactions, such as TBTA and TTTA, are nowadays commonly used in organic synthesis, and the search for novel ligands with a less complicated structure represents an important task. In the present work a series of hydroxyalkyltriazoles, containing a cyclooctane core, were synthesized via cycloaddition of readily available individual diastereomers of azidoalcohols or diazidodiols with phenylacetylene. The obtained hydroxyalkyltriazoles were probed as ligands for CuAAC reactions of benzyl azide with acetylenes, and 1-[(4-phenyl-1H-1,2,3-triazol-1-yl)methyl]cyclooctanol was demonstrated to act as an effective ligand for these processes. The complex salt of the abovementioned triazole and CuCl2 was readily obtained. According to X-ray diffraction analysis data, the complex contained two molecules of triazole, in which only N1-atoms of the triazole ring acted as coordination centers. Such a molecular structure correlates well with the efficiency of 1-[(4-phenyl-1H-1,2,3-triazol-1-yl)methyl]cyclooctanol as a ligand in CuAAC reactions: it is able to coordinate copper ions and, at the same time, it forms a sufficiently labile complex to not withdraw copper ions from the catalytic cycle. Full article
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