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An upconversion-based solar cell (UCSC) consists of a bifacial solar cell coupled to a spectral upconverter. This configuration has been suggested as a means of achieving solar cell efficiency beyond the Shockley-Queisser limit. In this paper an extended model of a UCSC is presented. This model adds to the capabilities of previously-reported models by considering a) non-radiative recombination; b)...
In this paper we report on the use of titanium dioxide (TiO2) films obtained through electrolytic deposition for dye sensitized solar cells (DSSCs). The deposition process consisted of two steps: deposition of titanium oxy-hydroxide films, and their heat treatment to get TiO2 films. Deposited films were studied using AFM, SEM, XRD, and UV-Vis spectroscopy. By sensitizing the films with Z709 dye DSSCs...
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