铜---硫 (CIGS₂) -太阳能电池的光电子效应,由三阶段共同蒸发过程制备的技术技术

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Tzu-Chien Li¹, Chia-Wen Chang², Chia-Chun Tai¹

¹Department of Electrical Engineering, National Taiwan Ocean University, No. 2, Peining Rd., Keelung 20224, Taiwan.

|September 28, 2023

概括

这项研究探讨了铜硫化 (CIGS2) 太阳能电池,以特定的复合比率找到最佳性能. 这些发现推动了环保的光伏模块应用.

科学领域:

材料科学材料科学材料科学
可再生能源可再生能源是可再生能源.
半导体物理半导体物理

背景情况:

含有的薄膜在太阳能电池技术中引发了毒性问题.
铜硫化 (Cu-(In,Ga) -S2或CIGS2) 提供了一个不那么有毒的替代品.
优化静脉测量对于CIGS2吸收器的性能至关重要.

研究的目的:

通过调整复合材料[Cu]/[Ga]+[In]) (CGI) 的比率来研究CIGS2太阳能电池的性能.
分析CGI比率固态度和结晶度对CIGS2吸收器性能的影响.
为了探索CIGS2太阳能电池的光电传感特性.

主要方法:

在CIGS2吸收器制造中采用了改进的三级共同蒸发技术.
拉曼光谱法用于分析最佳CIGS2膜的相位和晶度 (A1信号在291厘米-1).
光发光 (PL) 光谱学确定了CIGS2膜的带隙 (1.59 eV).

主要成果:

对CIGS2吸收膜的最佳CGI比率被确定为0.95.5.
最优的膜显示了291厘米-1.1的拉曼主相信号 (A1).
光发光谱检测显示,最佳膜的带隙为1.59 eV.
开发的CIGS2太阳能电池 (CGI = 0.95) 达到3.212%的峰值转换效率 (η).
在可见光谱中,平均外部量子效率 (EQE) 为51.1%.

结论:

该研究证明了CIGS2吸收器在高性能光伏 (PV) 模块中的潜力.
优化的CIGS2太阳能电池显示出有前途的光电特性,有助于光伏技术的进步.
这项研究促进了对CIGS2太阳能电池的科学理解,并支持开发环保的光伏应用.

关键词:

在Cu-(In,Ga) -S2 (CIGS2) 太阳能电池中.[Cu]/([Ga] + [In]) (CGI) 的比率与静止学的比率.环保的社区社区.光电传感器的性能表现三阶段的共同蒸发技术.

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