Citation:
Etgar Lioz, Schuchardt, Guillaume , Costenaro, Daniele , Carniato, Fabio , Bisio, Chiara , Zakeeruddin, Shaik M, Nazeeruddin, Mohammad K, Marchese, Leonardo , and Graetzel, Michael . 2013.
“Enhancing The Open Circuit Voltage Of Dye Sensitizedsolar Cells By Surface Engineering Of Silica Particles In Agel Electrolyte”. J. Mater. Chem. A, 2013, 1, Pp. 10142–10147.
Abstract:
We prepared a quasi-solid electrolyte for dye-sensitized solar cells (DSSCs) that consist of ionic liquid and modified silica particles. Commercial bare silica F5 particles and modified silica F5 by NH2 and NH3+ groups were prepared, and fully characterized. The best photovoltaic performance was observed using the NH2 modified silica particles giving an open circuit voltage (Voc) of 815 mV, a short-circuit current (Jsc) of 11.23 mA cm-2, and a fill factor (FF) of 0.75 corresponding to an overall power conversion efficiency of 7.04% at 100 mW cm-2 AM 1.5. The modification of the silica particles by NH2 groups increases the Voc of DSSCs by around 60 mV compared to pure ionic liquid electrolyte based DSSCs.
