Binuclear Sulfide Niobium Clusters Coordinated by Diimine Ligands: Synthesis, Structure, Photocatalytic Activity and Optical Limiting Properties
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Other documents of the author: Rogachev, Alexander V.; Gushchin, Artem L.; Abramov, Pavel A.; Kozlova, Ekaterina A.; Vicent Barrera, Cristian; Piryazev, Dmitry; Barlow, Adam; Samoc, Marek; Humphrey, Mark G.; Llusar, Rosa; Fedin, Vladimir P.; Sokolov, Maxim
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comunitat-uji-handle2:10234/7013
comunitat-uji-handle3:10234/8638
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http://dx.doi.org/10.1002/ejic.201500319 |
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Title
Binuclear Sulfide Niobium Clusters Coordinated by Diimine Ligands: Synthesis, Structure, Photocatalytic Activity and Optical Limiting PropertiesAuthor (s)
Date
2015Publisher
WileyISSN
1434-1948; 1099-0682Bibliographic citation
ROGACHEV, Alexander V., et al. Binuclear Sulfide Niobium Clusters Coordinated by Diimine Ligands: Synthesis, Structure, Photocatalytic Activity and Optical Limiting Properties. European Journal of Inorganic Chemistry, 2015, vol. 2015, no 17, p. 2865-2874.Type
info:eu-repo/semantics/articlePublisher version
http://onlinelibrary.wiley.com/doi/10.1002/ejic.201500319/fullVersion
info:eu-repo/semantics/publishedVersionSubject
Abstract
Substitution reactions of binuclear niobium cluster anion [Nb2S4(NCS)8]4– with different types of pyridine-based diimine ligands have been carried out. In the case of 2,2′-bipyridine (bipy) and its derivatives, only ... [+]
Substitution reactions of binuclear niobium cluster anion [Nb2S4(NCS)8]4– with different types of pyridine-based diimine ligands have been carried out. In the case of 2,2′-bipyridine (bipy) and its derivatives, only monosubstituted complexes [Nb2S4(NCS)6L]2– have been isolated. In the case of 1,10-phenanthroline and 2-(2-pyridyl)benzimidazole (Hpbz), both mono- and disubstituted complexes, [Nb2S4(NCS)6L]2– and [Nb2S4(NCS)4L2], respectively, have been obtained. Crystal structures of (Et4N)2[Nb2S4(NCS)6(bipy)]·0.5bipy·0.7CH3CN and [Nb2S4(pbmz)2(NCS)4]·5DMF·0.8H2O have been determined. All compounds have been characterized by NMR, ESI mass spectrometry, IR, UV/Vis spectroscopy, and CV. TiO2 nanoparticles modified with (Et4N)2[Nb2S4(NCS)6(bipy)] show moderate photocatalytic activity in the reaction of H2 generation from water in the presence of Na2S/Na2SO3 as a sacrificial electron donor system. The linear and nonlinear optical properties of the complexes with bipyridine ligands have been studied; the complexes function as broad-band optical limiters. [-]
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European Journal of Inorganic Chemistry Volume 2015, Issue 17, pages 2865–2874, June 2015Rights
Copyright © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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