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EnglishHighly efficient and transparent multicomponent catalysts for Dye Solar Cells (DSCs) were obtained by simultaneous electrodeposition of platinum and cobalt-sulfide (Pt:CoS) on conducting glass substrates from a mixture solution of both precursors. At equal charge transfer resistances (R-CT), the superior transparency of electrodeposited (ED) Pt:CoS compared to ED Pt-only and ED CoS-only was attributed to the synergic combination of a very thin CoS layer and a fine dispersion of Pt nanoparticles. The highly catalytic properties of Pt:CoS with less electrodeposited material consumption, carried out at room temperature, can represent a fast and energy saving fabrication process, also compatible with flexible plastic substrates. In fact, DSCs with the ED Pt:CoS counterelectrodes showed the highest power conversion efficiency in back illumination, which is the configuration used for flexible metallic and bifacial DSCs during operation, gaining on average almost 14% and 7% in device efficiency with respect to ED CoS-only and ED Pt-only based cells. These results are important for all applications where transparency represents a key factor (e.g. BIPV, metal based devices) and may also point at blending different precursor solutions as a more general route for electrodeposition of layers with added functionality.
De Rossi, F., Di Gaspare, L., Reale, A., Di Carlo, A., & Brown, T.M. (2013). Blending CoS and Pt for amelioration of electrodeposited transparent counterelectrodes and the efficiency of back-illuminated dye solar cells. JOURNAL OF MATERIALS CHEMISTRY. A, 1(41), 12941-12947 [10.1039/c3ta13076b].
| Tipologia: | Articolo su rivista | |
| Citazione: | De Rossi, F., Di Gaspare, L., Reale, A., Di Carlo, A., & Brown, T.M. (2013). Blending CoS and Pt for amelioration of electrodeposited transparent counterelectrodes and the efficiency of back-illuminated dye solar cells. JOURNAL OF MATERIALS CHEMISTRY. A, 1(41), 12941-12947 [10.1039/c3ta13076b]. | |
| Lingua: | English | |
| Settore Scientifico Disciplinare: | Settore ING-INF/01 - Elettronica | |
| Revisione (peer review): | Esperti anonimi | |
| Tipo: | Articolo | |
| Rilevanza: | Rilevanza internazionale | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1039/c3ta13076b | |
| Stato di pubblicazione: | Pubblicato | |
| Data di pubblicazione: | 2013 | |
| Titolo: | Blending CoS and Pt for amelioration of electrodeposited transparent counterelectrodes and the efficiency of back-illuminated dye solar cells | |
| Autori: | ||
| Autori: | De Rossi, F; Di Gaspare, L; Reale, A; Di Carlo, A; Brown, TM | |
| Appare nelle tipologie: | 01 - Articolo su rivista |
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http://hdl.handle.net/2108/104714
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