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An Extended Approach on Power Conversion Efficiency Enhancement Through Deposition of ZnS-Al 2 S 3 Blends on Silicon Solar Cells
Journal of Electronic Materials ( IF 2.1 ) Pub Date : 2020-08-10 , DOI: 10.1007/s11664-020-08361-x
Gobinath Velu Kaliyannan , Senthil Velmurugan Palanisamy , Rajasekar Rathanasamy , Manivasakan Palanisamy , Nithyavathy Nagarajan , Santhosh Sivaraj , Manju Sri Anbupalani

Transparent zinc sulfide (ZnS)-aluminium sulfide (Al2S3) composite thin-films are deposited on silicon solar cells through radio frequency (RF) sputtering method at room temperature to investigate the structural, optical, electrical, and thermal characteristics. X-ray diffraction analysis reveals the presence of the powder sample (ZnS-Al2S3) and its average crystallite size is 15.83 nm. The minimum electrical resistivity (ρ), maximum hall mobility (μ), and carrier concentration (N) of ZnS-Al2S3 nano-layer coated solar cells are measured to be 2.98 × 10−3 Ω cm, 14.89 cm2 V−1 s−1 and 24.88 × 1020 cm−3 respectively. For a time period of 25 min, ZnS-Al2S3 nano-layer sputter coating produces the maximum power conversion efficiencies (PCE) of 19.38% and 21%, obtained at open and controlled atmospheric conditions, respectively. The influence of operating temperature at both these open and controlled atmospheric conditions for ZnS-Al2S3 nano-layer coated silicon solar cells is observed. The ZnS-Al2S3 composite demonstrates the properties of a desirable anti-reflection coating material for enhancing the PCE of solar cells.



中文翻译:

通过在硅太阳能电池上沉积ZnS-Al 2 S 3共混物来增强功率转换效率的扩展方法

在室温下通过射频(RF)溅射方法在硅太阳能电池上沉积透明的硫化锌(ZnS)-硫化铝(Al 2 S 3)复合薄膜,以研究其结构,光学,电学和热学特性。X射线衍射分析表明存在粉末样品(ZnS-Al 2 S 3),其平均微晶尺寸为15.83nm。ZnS-Al 2 S 3纳米层涂覆的太阳能电池的最小电阻率(ρ),最大霍尔迁移率(μ)和载流子浓度(N)分别为2.98×10 -3Ωcm  ,14.89 cm 2  V-1  s -1和24.88×10 20  cm -3。在25分钟的时间内,ZnS-Al 2 S 3纳米层溅射涂层产生的最大功率转换效率(PCE)分别为在开放和受控大气条件下的19.38%和21%。观察到在开放和受控大气条件下工作温度对ZnS-Al 2 S 3纳米涂层硅太阳能电池的影响。ZnS-Al 2 S 3复合材料证明了用于增强太阳能电池的PCE的理想减反射涂层材料的性能。

更新日期:2020-08-11
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