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|Title:||Effect of nanoporous In<inf>2</inf>O<inf>3</inf>film fabricated on TiO<inf>2</inf>-In<inf>2</inf>O<inf>3</inf>photoanode for photovoltaic performance via a sparking method|
Physics and Astronomy
|Abstract:||© 2018, Springer-Verlag GmbH Germany, part of Springer Nature. A simple and inexpensive sparking method was used to deposit body-centered cubic In2O3film on TiO2photoanode for 30–180 min for dye-sensitized solar cells (DSSCs). The effect of nanoporous In2O3film on photovoltaic performance was investigated. The efficiency of TiO2-In2O3photoanode with the sparking time for 120 min was the highest of 3.40 and 8.6% rise in conversion efficiency comparing to the TiO2photoanode device, due to the increasing in short-circuit current density (Jsc) and electron lifetime (Teff). In this research, Jscimprovement was caused by increasing surface area for adsorbed dye molecules. TiO2-In2O3photoanode exhibited low resistance of charge diffusion (Rct1) at the interface of the redox electrolyte/Pt counter electrode and/or electrical contact between In2O3nanoparticles by providing an efficient pathway for photogenerated electrons in the DSSCs. Furthermore, the long-term stability of DSSCs showed that TiO2-In2O3photoanode with 120 min sparking period exhibited the highest efficiency comparing with the pure TiO2photoanode.|
|Appears in Collections:||CMUL: Journal Articles|
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