Abstract
A new carbosilane has been synthesised in one step by hydrosilylation of 1,3-dimethyl-tetravinyldisiloxane with triphenyl silane. The new carbosilane has been characterized by 1D and 2D NMR, MS, and Gel Permeation Chromatography (GPC). The new carbosilane has been spin-coated on silicon wafers to prepare a film with very high refractive index (μ = 1.520) and excellent hydrophobicity. The film has also been analysed by Diffuse Reflectance Infrared Spectroscopy (DRIFT). The preparation of the new carbosilane does not generate waste, and its application can be easily scaled-up. Consequently, the new precursor is likely to be very useful for industrial optoelectronic applications.
Acknowledgments
We thank Päivi Joensuu (University of Oulu, Finland) for assistance with LC-MS measurements, Eero Hietala (VTT, Technical Research Center of Finland) for assistance with DRIFT measurements, Kaisa Malo for assistance with spin-coating experiments, and Paula Keski-Korsu-Piekkari for fruitful discussions (both from Optitune Oy).
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: None declared.
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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