铜铟铝硒太阳能电池研究进展

Research progress on the solar cell of copper indium aluminum selenium

具有黄铜矿结构的铜铟硒(CIS)类薄膜太阳电池随着其转换效率的进一步提高,受到日益广泛的关注。相对于CIS材料,由于铜铟铝硒(CIAS)具有更高的禁带宽度,可用比Ga合金更小的相对浓度来实现更可观的带隙,另外具有材料价格相对低廉,理论转化率高等优点使其成为太阳能电池材料目前的研究热点。对CIAS材料基本特点、制备方法及其在太阳能电池中的应用的研究进展进行了综述,并针对目前研究中存在的问题进行了总结和分析。

With the further improvement of conversion efficiency, the thin film solar cells of copper indium selenium(CIS) with chalcopyrite structure have attracted more and more attention. Compared with CIS material, copper indium aluminum selenium(CIAS) has a higher banding width and can achieve a considerable band gap with a smaller relative concentration than Ga alloy. In addition, it has the advantages of relatively low material price and high theoretical conversion rate, making it become a research hotspot of solar cell material at present. In this paper, the basic characteristics, preparation methods and application of CIAS in solar cells are reviewed, and the existing problems are summarized and analyzed.