Recent Progress on Cu2BaSn(SxSe1–x)4: From Material to Solar Cell Applications,Physica Status Solidi (A) - Applications and Materials Science

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Recent Progress on Cu2BaSn(SxSe1–x)4: From Material to Solar Cell Applications
Physica Status Solidi (A) - Applications and Materials Science Pub Date : 2020-07-02 , DOI: 10.1002/pssa.202000060
Haitian Luo _{1,

2} , Yi Zhang ₃ , Wenjing Wang _{1,

2} , Hongwei Gu _{1,

2} , Hui Li _{1,

2,

4}

Affiliation

Thin film solar cells show great potential applications in building‐integrated photovoltaics (BIPV) and portable devices. Among these thin film solar cells, Cu₂BaSn(S_xSe_1–x)₄ solar cells derived from Cu₂ZnSn(S_xSe_1–x)₄ solar cells have attracted intense research interests recently because of their high theoretical PCE of ap;31%, easy tunability of band gaps (E_g = 1.28–1.79 eV), large optical absorption coefficient (α > 10⁴cm⁻¹), environment‐friendly composition, low materials, and fabrication cost. Importantly, Cu₂BaSn(S_xSe_1–x)₄ solar cells are expected to have low open‐circuit voltage deficit, leading to high open‐circuit voltage and PCEs. In fact, since their initial development in 2016, the maximum PCE of Cu₂BaSn(S_xSe_1–x)₄ solar cells has surpassed 5% via adjustment of the fabrication methods and material properties, optimization of the device structures, and so forth. Here, a review of the recent progress of Cu₂BaSn(S_xSe_1–x)₄ solar cells is presented, including properties of Cu₂BaSn(S_xSe_1–x)₄, material and device fabrication methods, device performances, potential applications, as well as the bulk and interface recombination. In addition, other solar cells which are similar with the Cu₂BaSn(S_xSe_1–x)₄ solar cells are also discussed. Finally, according to these discussions, prospect for PCEs improvement is given to accelerate their development.

中文翻译：

Cu2BaSn（SxSe1-x）4的最新进展：从材料到太阳能电池的应用

薄膜太阳能电池在建筑集成光伏（BIPV）和便携式设备中显示出巨大的潜在应用。在这些薄膜太阳能电池中，源自Cu ₂ ZnSn（S _x Se _1–_x）₄太阳能电池的Cu ₂ BaSn（S _x Se _{1– x}）₄太阳能电池由于其较高的理论PCE而引起了近期的研究兴趣。 ap; 31％，带隙的易调谐性（E _g = 1.28–1.79 eV），大的光吸收系数（α > 10 ⁴ cm ^-1），环保成分，低材料和制造成本。重要的是，预计Cu ₂ BaSn（S _x Se _{1- x}）₄太阳能电池具有低开路电压赤字，从而导致高开路电压和PCE。实际上，自2016年首次开发以来，通过调整制造方法和材料特性，优化器件结构等，Cu ₂ BaSn（S _x Se _{1– x}）₄太阳能电池的最大PCE已超过5％。向前。这里，回顾一下Cu ₂ BaSn（S _x Se _{1– x}）的最新进展。_{介绍了4种}太阳能电池，包括Cu ₂ BaSn（S _x Se _{1- x}）_4的性能，材料和器件的制造方法，器件性能，潜在的应用以及体积和界面复合。此外，还讨论了与Cu ₂ BaSn（S _x Se _{1- x}）₄太阳能电池相似的其他太阳能电池。最后，根据这些讨论，为改善PCE提供了前景，以加速其发展。

更新日期：2020-07-02

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