Abstract
The construction and testing of the p-type dye-sensitized solar cell based on full Cu2O electrodes using traditional P1 dye and the electrolyte based on the I3−/I− redox couple are reported. The counter electrode and the semiconductor material for the cathode based on Cu2O were prepared in single low-temperature hydrothermal technology using low cost precursor materials. The p-type dye-sensitized solar cell with full Cu2O electrodes has provided twice as much JSC and VOC as a DSSC using Pt as a counter electrode. Furthermore the power conversion efficiency is improved by about 60% by replacing conventional platinum with a Cu2O/Cu counter electrode. Based on these favorable characteristics this proof of principle "full-copper" p-type DSSC opens a fascinating opportunity towards environmentally friendly and large-scale production of DSSCs.
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