Almawgani Abdulkarem H M, Alzahrani Ahmad, Hajjiah Ali, Mehaney Ahmed, Elsayed Hussein A, Sayed Hassan
Electrical Engineering Department, College of Engineering, Najran University Najran Saudi Arabia
Electrical Engineering Department, College of Engineering and Petroleum, Kuwait University Kuwait
RSC Adv. 2023 Oct 27;13(45):31554-31568. doi: 10.1039/d3ra05056d. eCollection 2023 Oct 26.
This paper introduces a novel design of a thin-film solar cell based on CZTS and ZnO composite materials with the help of ITO as the front contact layer. This study primarily focuses on how the cells' optical absorbance at visible wavelengths can be improved. COMSOL Multiphysics is employed as a powerful tool for the investigation of the numerical simulation. The numerical findings showed that the optimum thicknesses of the ITO and ZnO are 80 and 350 nm, respectively. In this regard, with a normal incidence, a wide range of incoming light wavelengths from 450 nm to 800 nm might result in optical absorption of the examined cell of above 0.9. However, this value decreased significantly to reach less than 0.75 when the angle of incidence increased to 50°. To minimize this reduction, on the top surface of the cell, a texture-designed anti-reflective coating designed from a single period of well-known one-dimensional photonic crystals is deposited. The findings demonstrated that the cell's absorption at normal incidence could reach over 0.96 through the overall incident wavelengths. Therefore, CZTS/ZnO thin-film solar cells with an anti-reflecting coating of texturing configuration showed enormous potential for manufacturing effective solar cells.
本文介绍了一种基于CZTS和ZnO复合材料的新型薄膜太阳能电池设计，该设计以ITO作为前接触层。本研究主要关注如何提高电池在可见光波长下的光吸收率。COMSOL Multiphysics被用作研究数值模拟的强大工具。数值结果表明，ITO和ZnO的最佳厚度分别为80和350纳米。在这方面，在垂直入射时，从450纳米到800纳米的宽范围入射光波长可能会使所研究电池的光吸收率超过0.9。然而，当入射角增加到50°时，该值显著下降至小于0.75。为了最小化这种降低，在电池的顶表面沉积了一种由单个周期的著名一维光子晶体设计的纹理化抗反射涂层。结果表明，通过整个入射波长范围，电池在垂直入射时的吸收率可以达到0.96以上。因此，具有纹理化结构抗反射涂层的CZTS/ZnO薄膜太阳能电池在制造高效太阳能电池方面显示出巨大潜力。
