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12 Results Found

  • Article
  • Open Access
8 Citations
3,313 Views
16 Pages

Octahedral Molybdenum Cluster-Based Nanomaterials for Potential Photodynamic Therapy

  • Marina Rodrigues Tavares,
  • Kaplan Kirakci,
  • Nikolay Kotov,
  • Michal Pechar and ,
  • Kamil Lang,
  • Robert Pola and
  • Tomáš Etrych
  • + 2 authors+ 0 author

26 September 2022

Photo/radiosensitizers, such as octahedral molybdenum clusters (Mo6), have been intensively studied for photodynamic applications to treat various diseases. However, their delivery to the desired target can be hampered by its limited solubility, low...

(This article belongs to the Special Issue Functional Nanocomposite Material Based on Metal Atom Clusters)
  • Article
  • Open Access
4 Citations
2,707 Views
15 Pages

Multifunctional Oxidized Dextran as a Matrix for Stabilization of Octahedral Molybdenum and Tungsten Iodide Clusters in Aqueous Media

  • Ekaterina V. Pronina,
  • Yuri A. Vorotnikov,
  • Tatiana N. Pozmogova,
  • Alphiya R. Tsygankova and ,
  • Kaplan Kirakci,
  • Kamil Lang and
  • Michael A. Shestopalov
  • + 2 authors+ 0 author

Due to their high abundance, polymeric character, and chemical tunability, polysaccharides are perfect candidates for the stabilization of photoactive nanoscale objects, which are of great interest in modern science but can be unstable in aqueous med...

(This article belongs to the Special Issue Design of Functional Supramolecular Architectures Based on Coordination Compounds)
  • Article
  • Open Access
15 Citations
2,332 Views
11 Pages

A Neutral Heteroleptic Molybdenum Cluster trans-[{Mo6I8}(py)2I4]

  • Margarita V. Marchuk,
  • Yuri A. Vorotnikov,
  • Anton A. Ivanov,
  • Ilia V. Eltsov and ,
  • Natalia V. Kuratieva and
  • Michael A. Shestopalov
  • + 1 author+ 0 author

12 October 2022

Despite that the chemistry of octahedral cluster complexes has been actively developed recently, there are still a lot of unexplored areas. For example, to date, only a few halide M6-clusters with N-heterocycles are known. Here, we obtained an apical...

(This article belongs to the Special Issue Reactions, Structures, and Properties of Small Clusters: Experiments and Theory)
  • Article
  • Open Access
15 Citations
7,698 Views
13 Pages

Electrophoretic Coating of Octahedral Molybdenum Metal Clusters for UV/NIR Light Screening

  • Thi Kim Ngan Nguyen,
  • Benjamin Dierre,
  • Fabien Grasset,
  • Noée Dumait and ,
  • Stéphane Cordier,
  • Pierric Lemoine,
  • Adèle Renaud,
  • Hiroshi Fudouzi,
  • Naoki Ohashi and
  • Tetsuo Uchikoshi
  • + 5 authors+ 0 author

3 August 2017

Thin and transparent Mo6 cluster films with significant optical properties were prepared on indium tin oxide (ITO)-coated glass plates from the suspension of Cs2Mo6Br14 cluster precursors dispersed in methyl-ethyl-ketone (MEK) by an electrophoretic d...

(This article belongs to the Special Issue Electrophoretic Deposition)
  • Article
  • Open Access
13 Citations
2,408 Views
16 Pages

Nano TiO2 and Molybdenum/Tungsten Iodide Octahedral Clusters: Synergism in UV/Visible-Light Driven Degradation of Organic Pollutants

  • Margarita V. Marchuk,
  • Igor P. Asanov,
  • Maxim A. Panafidin,
  • Yuri A. Vorotnikov and
  • Michael A. Shestopalov

1 December 2022

Emissions of various organic pollutants in the environment becomes a more and more acute problem in the modern world as they can lead to an ecological disaster in foreseeable future. The current situation forces scientists to develop numerous methods...

(This article belongs to the Special Issue Functional Nanocomposite Material Based on Metal Atom Clusters)
  • Article
  • Open Access
51 Citations
4,165 Views
15 Pages

Octahedral Cluster Complex of Molybdenum as Oil-Soluble Catalyst for Improving In Situ Upgrading of Heavy Crude Oil: Synthesis and Application

  • Omar F. Al-Mishaal,
  • Muneer A. Suwaid,
  • Ameen A. Al-Muntaser,
  • Mohammed Amine Khelkhal and ,
  • Mikhail A. Varfolomeev,
  • Richard Djimasbe,
  • Rustem R. Zairov,
  • Shadi A. Saeed,
  • Natalya A. Vorotnikova and
  • Mohammed Hail Hakimi
  • + 7 authors+ 2 authors

27 September 2022

Heavy oil resources are attracting considerable interest in terms of sustaining energy demand. However, the exploitation of such resources requires deeper understanding of the processes occurring during their development. Promising methods currently...

(This article belongs to the Special Issue Heterogeneous Catalysis in Enhanced Oil Recovery: Prospects and Challenges)
  • Article
  • Open Access
11 Citations
3,947 Views
18 Pages

Enhanced NH3 Sensing Performance of Mo Cluster-MoS2 Nanocomposite Thin Films via the Sulfurization of Mo6 Cluster Iodides Precursor

  • Meiqi Zhang,
  • Fabien Grasset,
  • Yuji Masubuchi,
  • Toshihiro Shimada and ,
  • Thi Kim Ngan Nguyen,
  • Noée Dumait,
  • Adèle Renaud,
  • Stéphane Cordier,
  • David Berthebaud and
  • Tetsuo Uchikoshi
  • + 6 authors+ 1 author

24 January 2023

The high-performance defect-rich MoS2 dominated by sulfur vacancies as well as Mo-rich environments have been extensively studied in many fields, such as nitrogen reduction reactions, hydrogen evolution reactions, as well as sensing devices for NH3,...

(This article belongs to the Special Issue Functional Nanocomposite Material Based on Metal Atom Clusters)
  • Article
  • Open Access
7 Citations
3,977 Views
13 Pages

Supramolecular Host–Guest Assemblies of [M6Cl14]2–, M = Mo, W, Clusters with γ-Cyclodextrin for the Development of CLUSPOMs

  • Anton A. Ivanov,
  • Pavel A. Abramov,
  • Mohamed Haouas,
  • Yann Molard and ,
  • Stéphane Cordier,
  • Clément Falaise,
  • Emmanuel Cadot and
  • Michael A. Shestopalov
  • + 3 authors+ 0 author

Host–guest assemblies open up opportunities for developing novel functional CLUSPOM multicomponent systems based on transition metal clusters (CLUS), polyoxometalates (POMs) and macrocyclic organic ligands. In water–ethanol solution &gamm...

(This article belongs to the Special Issue Advances in Polyoxometalates for Supramolecular Architecture, Biomimetics and Bioapplications)
  • Article
  • Open Access
6 Citations
4,125 Views
20 Pages

Unusual Square Pyramidal Chalcogenide Mo5 Cluster with Bridging Pyrazolate-Ligands

  • Iulia V. Savina,
  • Anton A. Ivanov,
  • Darya V. Evtushok,
  • Yakov M. Gayfulin and ,
  • Andrey Y. Komarovskikh,
  • Mikhail M. Syrokvashin,
  • Mariia N. Ivanova,
  • Igor P. Asanov,
  • Ilia V. Eltsov and
  • Michael A. Shestopalov
  • + 7 authors+ 2 authors

8 February 2023

The family of chalcogenide molybdenum clusters is well presented in the literature by a series of compounds of nuclearity ranging from binuclear to multinuclear articulating octahedral fragments. Clusters actively studied in the last decades were sho...

(This article belongs to the Collection Feature Papers in Materials Science)
  • Article
  • Open Access
4 Citations
2,722 Views
21 Pages

Chemical Diversity of Mo5S5 Clusters with Pyrazole: Synthesis, Redox and UV-vis-NIR Absorption Properties

  • Iulia V. Savina,
  • Anton A. Ivanov,
  • Ilia V. Eltsov,
  • Vadim V. Yanshole and ,
  • Natalia V. Kuratieva,
  • Andrey Y. Komarovskikh,
  • Mikhail M. Syrokvashin and
  • Michael A. Shestopalov
  • + 3 authors+ 0 author

9 September 2023

The chemistry of transition metal clusters has been intensively developed in the last decades, leading to the preparation of a number of compounds with promising and practically useful properties. In this context, the present work demonstrates the pr...

(This article belongs to the Special Issue The Design, Synthesis and Study of Metal Complexes)
  • Review
  • Open Access
23 Citations
12,994 Views
24 Pages

1 April 2014

Halide clusters have not been used as catalysts. Hexanuclear molecular halide clusters of niobium, tantalum, molybdenum, and tungsten possessing an octahedral metal framework are chosen as catalyst precursors. The prepared clusters have no metal–meta...

  • Review
  • Open Access
13 Citations
3,378 Views
35 Pages

Silica-Based Materials Containing Inorganic Red/NIR Emitters and Their Application in Biomedicine

  • Yuri A. Vorotnikov,
  • Natalya A. Vorotnikova and
  • Michael A. Shestopalov

27 August 2023

The low absorption of biological substances and living tissues in the red/near-infrared region (therapeutic window) makes luminophores emitting in the range of ~650–1350 nm favorable for in vitro and in vivo imaging. In contrast to commonly use...

(This article belongs to the Section Biomaterials)