Abstract
Molybdenum disulfide (MoS2) is a layered material with promising photo-electroactive properties with possible application in solar cell devices. In this work, exfoliated MoS2 (E-MoS2) was produced using a chemical intercalation and exfoliation process. After an exhaustive characterization of the material, two different solar cell arrays were studied for the photoanode using the synthetized exfoliated MoS2, as sensitizer and thin film. Normalized incident photon-to-current conversion efficiency and electrochemical impedance spectra were generated to further understand the photocurrent and electron transition behavior in the dye sensitized solar cell array. An increase in normalized incident photon-to-current conversion efficiency (IPCE) for E-MoS2/TiO2 hybrids and layered films was observed when compared to TiO2. The results provide evidence of device enhancement after using exfoliated MoS2 by increasing photocurrent efficiencies and lowering charge transfer resistance.
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