Deprotonated diaminocarbene platinum complexes for thermoresponsive luminescent silicone materials: both catalysts and luminophores

C , N -Chelate deprotonated diaminocarbene platinum( ii ) complexes were synthesized by coupling coordinated isocyanides and azinyl-substituted ureas. The complexes act as catalysts of α,ω-divinylpolydimethylsiloxane and poly(dimethylsiloxane- co -methylhydrosiloxane) hydrosilylation cross-linking....

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Published in:Dalton transactions : an international journal of inorganic chemistry 2021-11, Vol.5 (42), p.14994-14999
Main Authors: Dobrynin, Mikhail V, Kasatkina, Svetlana O, Baykov, Sergey V, Savko, Polina Y, Antonov, Nikita S, Mikherdov, Alexander S, Boyarskiy, Vadim P, Islamova, Regina M
Format: Article
Language:English
Subjects:
Catalysts
Crosslinking
Hydrosilylation
Platinum
Polydimethylsiloxane
Radiation
Silicone resins
Silicone rubber
Silicones
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Summary:C , N -Chelate deprotonated diaminocarbene platinum( ii ) complexes were synthesized by coupling coordinated isocyanides and azinyl-substituted ureas. The complexes act as catalysts of α,ω-divinylpolydimethylsiloxane and poly(dimethylsiloxane- co -methylhydrosiloxane) hydrosilylation cross-linking. Silicone rubbers obtained with (aminoisoquinoline)-containing complex 3d exhibit temperature-responsive luminescence. Their emission changes irreversibly when heated from 80-100 °C (green radiation) to 120 °C or more (blue radiation). Silicone rubbers obtained with the isoquinoline-containing Pt complex possess temperature-responsive luminescence: emission irreversibly changed when heating from 80-100 °C (green) to 120 °C and more (blue).
ISSN:1477-9226
1477-9234
DOI:10.1039/d1dt02823e