Abstract
Two-dimensional (2D) Ti3C2 material has a wide range of photovoltaic applications due to its unique electronic, optical, and plasmonic properties. Herein, we present a series of Ti3C2 (0, 0.6, 0.8; wt%) nanosheets-modified P25 nanoparticles as photoanode films for dye-sensitized solar cells (DSSCs). The DSSC based on P25 and 0.6 wt% Ti3C2 photoanode achieves a fairly good efficiency (9.22%), which greatly exceeds the counterpart based on the pure P25 (7.16%). Benefiting from high light scattering and metallic electrical conductivity of Ti3C2 additive, the P25/Ti3C2-based DSSC exhibits a superior behavior of controlling photogenerated charge recombination compared with pure P25 one.
Graphical abstract
摘要
二维Ti3C2材料由于其独特的电子、光学和等离子体性能, 广泛应用太阳能光伏上。本研究展示了一系列Ti3C2(0, 0.6, 0.8; wt%) 纳米片修饰P25纳米颗粒光阳极, 并应用到染料敏化太阳能电池 (DSSCs) 。基于P25和0.6 wt% Ti3C2光电阳极的DSSC具有较好的光电转换效率 (9.22%), 超过纯P25的DSSC的效率 (7.16%) 。与纯P25的DSSC相比, 基于P25/Ti3C2的DSSC具有更好的抑制光生电荷复合, 这一结果得益于添加剂 (Ti3C2) 的优越的光散射和金属电导性。
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Acknowledgements
This work was financially supported by the National Natural Science Foundation of China (No. 21965013) and the Natural Science Foundation of Hainan Province (Nos. 220RC590 and 521QN239).
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Wang, G., Ma, LJ., Lei, BX. et al. Enhanced electron transport through two-dimensional Ti3C2 in dye-sensitized solar cells. Rare Met. 41, 3078–3085 (2022). https://doi.org/10.1007/s12598-022-02018-w
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DOI: https://doi.org/10.1007/s12598-022-02018-w