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Nanoparticle Catalysis with Dendrimers

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Nanoscience".

Deadline for manuscript submissions: closed (30 November 2023) | Viewed by 1795

Special Issue Editor


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Guest Editor
A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov St., 119991 Moscow, Russia
Interests: dendrimer; hyperbranched polymer; nanoparticles; catalysis; magnetic separation

Special Issue Information

Dear Colleagues, 

Dendrimers are complex monodisperse macromolecules with a regular and hyperbranched three-dimensional architecture and well-defined chemical composition. Dendrimers are produced in iterative sequences of reaction steps using a specially designed high yield chemical reaction. This is one of the best examples of a controlled hierarchical synthesis that allows for a “bottom-up” approach to complex systems. NPs stabilized by dendrimers or nanostructures based on dendritic architecture possess fascinating optical, catalytic, magnetic, sensing, and biomedical properties, which make them highly promising for further use in nanotechnologies. Catalysis with NPs is in the spotlight due to the significant improvement in catalytic performance compared to traditional heterogeneous catalysts and easier separation from target molecules compared to homogeneous catalysts.

This issue will focus on the performance of dendrimer/NPs nanocomposites in catalysis. The scope of the topic extends to any hyperbranched macromolecules and dendritic architectures that affect the formation and performance of NPs in various catalytic processes. We look forward to gaining insight into advances in nanoparticle catalysts based on dendritic architecture as we believe that this could be a promising area, bringing more surprises in years to come. We encourage researchers to share their recent works on the topic.

Prof. Dr. Zinaida B. Shifrina
Guest Editor

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Keywords

  • dendrimer
  • hyperbranched polymer
  • nanoparticles
  • catalysis
  • magnetic separation

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Published Papers (1 paper)

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Research

13 pages, 4907 KiB  
Article
Controllable Synthesis of Hybrid Dendrimers Composed of a Carbosilane Core and an Aromatic Shell: Does Size Matter?
by Sofia N. Ardabevskaia, Elena S. Chamkina, Irina Yu. Krasnova, Sergey A. Milenin, Ekaterina A. Sukhova, Konstantin L. Boldyrev, Artem V. Bakirov, Olga A. Serenko, Zinaida B. Shifrina and Aziz M. Muzafarov
Int. J. Mol. Sci. 2022, 23(24), 15461; https://doi.org/10.3390/ijms232415461 - 7 Dec 2022
Cited by 4 | Viewed by 1479
Abstract
The controllable synthesis of novel hybrid dendrimers composed of flexible and rigid components was accomplished via effective Cu-catalyzed azide–alkyne cycloaddition (“click”) reaction between azide-functionalized carbosilane cores of two generations and monoethynyl-substituted hexaphenylbenzene dendron. A comprehensive analysis of the thermal and phase behavior of [...] Read more.
The controllable synthesis of novel hybrid dendrimers composed of flexible and rigid components was accomplished via effective Cu-catalyzed azide–alkyne cycloaddition (“click”) reaction between azide-functionalized carbosilane cores of two generations and monoethynyl-substituted hexaphenylbenzene dendron. A comprehensive analysis of the thermal and phase behavior of dendrimers allows us to detect a similar performance of dendrimers of both generations which, in our opinion, can be due to the similar ratio of rigid and flexible blocks in the dendrimers regardless the generation of carbosilane cores. The propensity to crystallization and ordering after the annealing procedure was confirmed by DSC and SWAXS. We found that hybrid dendrimers have a tendency to order depending on their constituents of different structures. This is in contrast to homogeneous dendrimers whose propensity to order is determined by the dendrimer molecule as a whole. Full article
(This article belongs to the Special Issue Nanoparticle Catalysis with Dendrimers)
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