Work in the frame of program group was presented in short contribution on national television in the live broadcast »Dobra ura«. Presented was Brightsource Company project Ivanpah where our group made first stability research of paint used nowadays on the largest solar power plant on the Earth. The reach of broadcast is 753000 people and enable high recognition of our program group in Slovenian space.
F.35 Other
This chapter consists of two parts. In the first one a brief historical overview of the development of solar paint coatings is given together with the basic principles that make paint coatings spectrally selective. Distinctive properties of Thickness Sensitive Spectrally Selective (TSSS) and Thickness Insensitive Spectrally Selective (TISS) are outlined and the useof the latter paint coatings as cool paints is proposed and demonstrated. Materials' aspects of the colored cool TISS paint coatings are given by the description of cool pigments, metallic and metallized flake pigments and polymeric resin binders which are used for the production of solar paint coatings. Second part contains information about the chemistries of the paintproduction showing how to achieve with the help of dispersant molecules uniform distribution of the finely ground pigment particles in the polymeric resin binder. Intentionally, we focused on organo (silicon) i.e. silane dispersants because they enable the stabilization of many different nanoparticle systems and also commercial pigments. Basics of the sol-gel chemistry of silanes are given and the preparation of polyhedral oligomeric silsesquioxane (POSS) molecules is described and the dispersive effect of thelatter on pigments demonstrated. The importance of the POSS molecules representing a new multifunctional nanocomposite materials is revealed by describing paints and lacquers with hydrophobic and oleophobic properties and the possibility to attain anti-soiling properties of cool paints is also discussed.
F.01 Acquisition of new practical knowledge, information and skills
COBISS.SI-ID: 5198618This invention relates to production of sol-gel based spectrally selective surfaces, that is, coatings on metallic substrates, for harvesting solar thermal energy. More specifically, the invention relates to methods for producing various coating compositions, in which the sol-gel binder is an organic-inorganic hybrid and is made by a sol-gel process; and methods for application of the coating composition on various substrates in order to obtain surfaces exhibiting high solar absorptance and low thermal emittance; that is, surfaces with high spectral selectivity.
F.32 International patent
There is provided an ionic compound having attached thereto a silyloxy group. There is also provided methods of making this ionic compound as well as electrolytes, electrochemical cells and capacitors comprising this ionic compound.
F.32 International patent
An organocatalytic method for a preparation of polyhedral silsesquioxanes characterized by use of N-heterocyclic carbenes, NHC, as organocatalysts, is described in present invention. Stable, isolable NHCs or their precursors that are called also cryptocarbenes could be used in disclosed process. Polyhedral silsesquioxanes could be prepared from hydrolyzates of functional trialkoxysilanes, silsesquioxane resins or from other already existing polyhedral silsesquioxanes compounds by mixing them with an organocatalytic NHC in an organic solvent at an appropriate temperature. Because of excellent solubility of carbenes in a reaction media high yields of polyhedral silsesquioxanes are obtained even at a concentration of NHC lower than 1 mol %.
F.33 Slovenian patent
COBISS.SI-ID: 5452058