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Effect of energy band misalignment and morphology in In2O3-CNTs on electron transport in dye-sensitized solar cell
Molecular Crystals and Liquid Crystals ( IF 0.7 ) Pub Date : 2020-05-02 , DOI: 10.1080/15421406.2020.1743939
Savisha Mahalingam 1 , Huda Abdullah 2 , Abreeza Manap 1
Affiliation  

Abstract 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, keff of 1256.72 s−1, and faster electron lifetime, τeff of 0.80 ms compared to In2O3-MWCNTs (0.5 wt. %). The energy band misalignment between the conduction band of In2O3 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 In2O3 for DSSC.

中文翻译:

In2O3-CNTs能带错位和形貌对染料敏化太阳能电池电子传输的影响

摘要 本研究为使用化学浴沉积技术降低基于 In2O3-MWCNT(0.4 和 0.5 重量%)的 DSSC 的性能提供了重要见解。In2O3-MWCNTs (0.4 wt. %) 表现出最高的功率转换效率为 0.312%,电子复合率低,keff 为 1256.72 s-1,与 In2O3-MWCNTs (0.5 wt. %) 相比,电子寿命更快,τeff 为 0.80 ms )。In2O3 光阳极和 FTO 导带之间的能带错位导致 In2O3-MWCNTs (0.5 wt. %) 中严重的电子复合。因此,这项研究可以用作 0.4 wt 的基准。% 作为 DSSC 在 In2O3 中 MWCNTs 的最佳浓度。
更新日期:2020-05-02
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