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Information × Registration Number 0217U004593, 0112U001192 , R & D reports Title Physicochemical foundations of design of sensitive to visible light photovoltaic and photoelectrochemical systems that based on composites of wide-band semiconductors with metal-chalcogenide quantum dots, metal nanocrystals and graphene derivatives. popup.stage_title Head Kuchmii Stepan Yaroslavovich, Registration Date 20-02-2017 Organization L. V. Pisarzhevsky Institute of Physical Chemistry of the National Academy of Sciences of the Ukraine popup.description2 The films of titanium dioxide on the surface of the conductive glass FTO were obtained by sol-gel and a screen-printing methods, and mesoporous zinc oxide film on the surface of the conductive FTO and ITO glasses were formed by modified electrochemical deposition. The morphology, adsorption and photochemical properties of the film structures were established. The film photoanodes ITO / ZnO / CdS were obtained by photocatalytic method, as well as FTO / CuxS structures, as the counter-electrodes of solar cells, were obtained by two-step ion exchange. Energy conversion efficiency of 3.5% of visible light under combining photocatalytic formed FTO / ZnO / CdS photoanode and FTO / ZnO / CuxS counter electrode in a photovoltaic system with a S2- / Sx2 - containing liquid electrolyte it was achieved. Photoanodes ITO / ZnO / CdxZn1-xS were obtained by using Successive Ionic Layer Adsorbtion and Reaction method (SILAR), the decrease "x" in the composition of these electrodes from 1.00 to 0.62 leads to a significant increase in the maximum generated power it was shown, as well as the shift of photovoltage idling from -1.18 to -1.46 for vs. Ag / AgCl, which is a consequence of the growth of the sensitizers conduction band potential. The main reasons of photocurrent generation by ITO / ZnO / CdS electrodes obtained by sequential adsorption and interaction of ions (SILAR) under irradiation by light with energy less than the band gap of bulk CdS zone were established, which are caused by the participation of energy states that are in the sensitizers band gap. Product Description popup.authors Андрюшина Наталія Сергіївна Козицький Андрій Володимирович Кучмій Степан Ярославович Строюк Олександр Леонідович popup.nrat_date 2020-04-02 Close