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The influence of oxidation states on electrocatalytic abilities for I3− reduction is discussed for reduced graphene oxide (rGO), which is a promising catalyst of counter electrodes for dye‐sensitized solar cells (DSSCs). The oxidation states of rGO can be controlled via a photothermal reduction process by varying exposure times. The results reveal that the rGO with lower oxidation state shows smaller...
Titanium-based ceramic nanoparticles, i.e., titanium nitride nanoparticles (TiN-NPs) and titanium carbide nanoparticles (TiC-NPs), are used on counter electrodes (CEs) for quantum-dot-sensitized solar cells (QDSSCs). The QDSSC with TiC-NPs-CE exhibits the highest solar-to-electricity conversion efficiency (η) of 2.11 ± 0.06%, which is higher than that of the cell with sputtered-Au-CE (1.64 ± 0.06%)...
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