Hexagonal FeS nanosheets with high-energy (001) facets: Counter electrode materials superior to platinum for dye-sensitized solar cells

Review on transition metal compounds based counter electrode for dye-sensitized solar cells

“…Via a solution-phase chemical method, Fu group prepared 2-D hexagonal FeS with (001) facets exposed which was used as a CE catalyst for DSCs [67] . The presence of (001) facets was crucial for improving the catalytic activity toward the iodide redox couple which had been confirmed by cyclic voltammetry and Tafel polarization measurements.…”

Fabrication of Ag nanoparticles adhered on RGO based on both electrodes in dye-sensitized solar cells (DSSCs)

“…It was found that the cells that obtained the light energy conversion efficiency were 6.57, 3.18, 1.30 and 0.88%, respectively. The highest power conversion efficiency of the cell was prepared by two layers of anode (Wang et al 2016;Liu and Kuo 2013). The first layer was TiO 2 followed by the second layer, the RGOAg, which has the efficiency of converting light energy into electrical energy equal to 6.57% with V oc value equal to 0.81.…”

Prussian blue-derived synthesis of uniform nanoflakes-assembled NiS2 hierarchical microspheres as highly efficient electrocatalysts in dye-sensitized solar cells

“…Recently, considerable progress has been achieved on the developments of alternative materials to Pt CE, such as carbon materials, [6][7][8][9] conductive polymers, 10,11 metal alloys, 12,13 and transitional-metal compounds. 14,15 Among them, nickel sulde with a variety of chemical formulas is found to be promising CE material for the I 3 À reduction reaction in DSSCs. [16][17][18][19] For example, the hierarchal Ni 3 S 4 microspheres reported by Yang et al displayed a power conversion efficiency (PCE) of 6.81% under AM1.5G illumination, comparable to that of Pt-based DSSC (6.85%).…”