The transparent photovoltaic NiO/TiO2 orderly nanoarray pn junction via synergism of AgInS2 quantum dots and Ti3+ self-doping,Journal of Materials Chemistry C

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The transparent photovoltaic NiO/TiO2 orderly nanoarray pn junction via synergism of AgInS2 quantum dots and Ti3+ self-doping
Journal of Materials Chemistry C ( IF 5.7 ) Pub Date : 2023-07-24 , DOI: 10.1039/d3tc01971c
Lei Lu ₁ , Lixin Que ₁ , Yunlong Xu ₁ , Jun Cao ₁ , Jingjing Wang ₁ , Yingying Zheng ₁ , Lei Shi _{1,

2} , Wenwu Zhong _{1,

3} , Chaorong Li ₁ , Jiaqi Pan ₁

Affiliation

The transparent AgInS₂ quantum dots/NiO/Ti³⁺-TiO₂ orderly nanoarray pn junction is synthesized by a hydrothermal-solid reduction-chemical-sputtering method. The obtained AgInS₂ QDs/NiO/Ti³⁺-TiO₂ exhibits a transmittance of ∼85%, photovoltaic enhancement of ∼5.0 × 10³ folds (photovoltaic conversion efficiency of ∼1.21%) and stable output for a duration of 6 months’ cycle. These features are mainly attributed to the synergism of AgInS₂ QDs and Ti³⁺/O_v. Herein, the AgInS₂ QDs with high quantum yield and Ti³⁺/O_v with appropriate shallow donor level can efficiently optimize the carrier kinetic equilibrium, while sustaining good transparency. In addition, the TiO₂ nanoarrays with orderly array interval can increase the solar efficiency to further optimize the carrier kinetic equilibrium, while increasing the photovoltaic stability via high Youngs modulus.

中文翻译：

AgInS2量子点和Ti3+自掺杂协同作用的透明光伏NiO/TiO2有序纳米阵列pn结

采用水热-固体还原-化学溅射法合成透明AgInS ₂量子点/NiO/Ti ³⁺ -TiO _{2有序纳米阵列pn结。}所得AgInS ₂ QDs/NiO/Ti ³⁺ -TiO ₂的透光率约为85%，光伏增强约为5.0 × 10 ³倍（光伏转换效率约为1.21%），并且可稳定输出6个月。循环。这些特征主要归因于AgInS ₂ QD和Ti ³⁺ /O _v的协同作用。这里，具有高量子产率和Ti ³⁺ /O _v的AgInS _2量子点适当的浅供体水平可以有效优化载流子动力学平衡，同时保持良好的透明度。此外，具有有序排列间隔的TiO ₂纳米阵列可以提高太阳能效率，进一步优化载流子动力学平衡，同时通过高杨氏模量提高光伏稳定性。

更新日期：2023-07-24

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