Molecular Crystals and Liquid Crystals, Vol.702, No.1, 76-86, 2020
Effect of energy band misalignment and morphology in In2O3-CNTs on electron transport in dye-sensitized solar cell
This study provides important insights in performance degradation of In2O3-MWCNTs (0.4 and 0.5 wt. %)-based DSSC using chemical-bath deposition technique. In2O3-MWCNTs (0.4 wt. %) exhibited the highest power conversion efficiency of 0.312% with low electron recombination rate,k(eff)of 1256.72 s(-1), and faster electron lifetime,tau(eff)of 0.80 ms compared to In2O3-MWCNTs (0.5 wt. %). The energy band misalignment between the conduction band of In(2)O(3)photoanode and FTO caused severe electron recombination in In2O3-MWCNTs (0.5 wt. %). Therefore, this study can be used as a benchmark of 0.4 wt. % as the optimum concentration of MWCNTs in In(2)O(3)for DSSC.