Thin-Film Solar Cells with 19% Efficiency by Thermal Evaporation of CdSe and CdTe,ACS Energy Letters

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Thin-Film Solar Cells with 19% Efficiency by Thermal Evaporation of CdSe and CdTe
ACS Energy Letters ( IF 19.3 ) Pub Date : 2020-02-24 , DOI: 10.1021/acsenergylett.9b02836
Tursun Ablekim ₁ , Joel N. Duenow ₁ , Xin Zheng ₁ , Helio Moutinho ₁ , John Moseley ₁ , Craig L. Perkins ₁ , Steven W. Johnston ₁ , Patrick O’Keefe ₁ , Eric Colegrove ₁ , David S. Albin ₁ , Matthew O. Reese ₁ , Wyatt K. Metzger ₁

Affiliation

CdTe-based solar cells exhibiting 19% power conversion efficiency were produced using widely available thermal evaporation deposition of the absorber layers on SnO₂-coated glass with or without a transparent MgZnO buffer layer. Evaporating CdSe and CdTe sequentially by thermal evaporation and subsequent CdCl₂ annealing establishes efffective CdSeTe band grading as well as dense, large-grain films. These results show that high-performance II–VI photovoltaics can be made by inexpensive, commercially available evaporation systems without the need to build customized equipment, enabling CdTe photovoltaics research and manufacturing to be more accessible to the broader photovoltaics community.

中文翻译：

通过CdSe和CdTe的热蒸发效率达到19％的薄膜太阳能电池

使用吸收剂层在具有或不具有透明MgZnO缓冲层的SnO ₂涂层玻璃上广泛使用的热蒸发沉积方法，可以生产出功率转换效率为19％的CdTe基太阳能电池。通过热蒸发顺序蒸发CdSe和CdTe，然后进行CdCl ₂退火，可以建立有效的CdSeTe能级，并形成致密的大颗粒薄膜。这些结果表明，可以通过廉价的，可商购的蒸发系统来制造高性能的II-VI光伏电池，而无需建造定制的设备，从而使CdTe光伏电池的研究和制造对于更广泛的光伏电池社区而言更加容易获得。

更新日期：2020-02-24

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