Low cost method to obtain counter electrode for dye sensitised solar cells

Abstract

In this paper, nanoscaled polypyrrole particles were synthesised using I₂ as dopant and oxidant, which were subsequently used to prepare polypyrrole/epoxy resin composition counter electrode for construction of dye sensitised solar cells (DSSCs). The results of photoelectric properties measurement revealed that the open-circuit voltage V _oc was 0·525 V, short circuit current density J _sc was 0·90 mA cm^–2, fill factor FF was 0·45 and overall energy conversion efficiency η was 0·22% respectively. The introduction of polypyrrole/epoxy resin counter electrode decreased the demand of fluorine doped tin oxide (FTO) coated glass substrate of DSSCs, which proposed a novel idea for the development of counter electrodes.