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  • Title: Synthesis of MoIn2S4@CNTs Composite Counter Electrode for Dye-Sensitized Solar Cells.
    Author: Yue G, Cheng R, Gao X, Fan L, Mao Y, Gao Y, Tan F.
    Journal: Nanoscale Res Lett; 2020 Sep 21; 15(1):179. PubMed ID: 32955683.
    Abstract:
    A ternary and composite MoIn2S4@CNTs counter electrode (CE) with a hedgehog ball structure was synthesized by using a facile one-step hydrothermal method. The composite MoIn2S4@CNTs film possesses large specific surface area through N2 adsorption-desorption isotherms test, which is advantageous to adsorb more electrolyte and provide larger active contact area for the electrode. In addition, the composite MoIn2S4@CNTs CE exhibits low charge transfer resistance and fine electrocatalytic ability made from a series of electrochemical tests including cyclic voltammetry, electrochemical impedance, and Tafel curves. Under optimal conditions, the DSSC based on the MoIn2S4@CNTs-2 composite CE achieves an impressive power conversion efficiency as high as 8.38%, which remarkably exceeds that of the DSSCs with the MoIn2S4 CE (7.44%) and the Pt electrode (8.01%). The current work provides a simplified preparation process for the DSSCs.
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