Coordination complexes and applications of transition metal sulfide and selenide halides

[Display omitted] •The first compilation of ligand complexes of metal chalcogenide halides.•The synthesis, spectroscopy and crystal structures of chalcogenide halide complexes.•Metal chalcogenide halides as single source CVD reagents for MS2 and MSe2 films.•Proposals for further research on metal ch...

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Bibliographic Details
Published in:Coordination chemistry reviews 2020-12, Vol.424, p.213512, Article 213512
Main Authors: Greenacre, Victoria K., Levason, William, Reid, Gillian, Smith, Danielle E.
Format: Article
Language:English
Subjects:
Chalcogenide halides
Selenide bromide
Selenide chloride
Sulfide bromide
Sulfide chloride
Sulfide fluoride
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Summary:[Display omitted] •The first compilation of ligand complexes of metal chalcogenide halides.•The synthesis, spectroscopy and crystal structures of chalcogenide halide complexes.•Metal chalcogenide halides as single source CVD reagents for MS2 and MSe2 films.•Proposals for further research on metal chalcogenide halide complexes. Metal chalcogenide halides are less studied analogues of metal oxide halides, where the oxido-group is replaced by heavier Group 16 elements, specifically sulfur, selenium or tellurium. This article reviews the chemistry of neutral ligand complexes of molecular chalcogenide halides of the d-block metals. The majority of these complexes contain the higher oxidation states of niobium, tantalum and tungsten, with more limited examples of titanium, molybdenum and vanadium compounds. The synthesis, structures and properties are described, and areas in need of further study identified. The recent application of several examples as low pressure chemical vapour deposition reagents for the production of thin films of semiconducting metal dichalcogenide materials is also discussed.
ISSN:0010-8545
1873-3840
DOI:10.1016/j.ccr.2020.213512