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面向所有无机硫化物半透明太阳能电池

Alka Pareek¹, Atanas Katerski², Merike Kriisa³

¹Laboratory for Thin Film Energy Materials, Department of Materials and Environmental Technology, School of Engineering, Tallinn University of Technology, Ehitajate tee 5, Tallinn, 19086, Estonia. alkapareek7@gmail.com.

Scientific reports

|January 9, 2025

概括

氧化 (NiO_x) 纳米颗粒被用作硫化 (Sb₂S₃) 太阳能电池中的孔输送材料 (HTM). 优化前体度提高了60%的电池效率,显示出具有成本效益的太阳能设备的潜力.

科学领域:

材料科学材料科学材料科学
纳米技术纳米技术
太阳能光伏发电是如何实现的

背景情况:

氧化 (NiO) 是一种宽带间隙孔输送材料 (HTM),因其光学透明度,化学稳定性和合适的带对齐而闻名.
尼奥在光伏应用中越来越多地被探索,作为有机HTM的替代品.

研究的目的:

调查基于纳米粒子的NiO_x HTM在半透明的Sb₂S₃太阳能电池中的使用.
通过调整前体溶液度来优化NiO_x层,并评估其对材料性能和太阳能电池性能的影响.

主要方法:

NiO_x纳米颗粒使用化学沉方法合成,前体度各不相同 (0.2M至1.2M).
合成的NiO_x层经过两步热处理 (6小时90°C,3小时270°C).
分析了NiO_x纳米粒子的光学,结构和组成特性,以及它们对Sb₂S₃太阳能电池性能的影响.

主要成果:

NiO_x纳米粒子的晶体尺寸为6-9nm,带间隙 (Eg) 约为3.65-3.70 eV.
使用来自0.5M前体度的NiO_x实现了2.68%的最高功率转换效率 (PCE),比没有HTM的细胞提高了60%.
前体度影响了结晶体大小,带隙和前体残留含量,影响了太阳能电池的参数.

结论:

优化的NiO_x纳米粒子HTM显著提高了半透明Sb₂S₃太阳能电池的性能.
这项研究表明,开发使用NiO_x的稳定,高效和经济高效的全无机Sb₂S₃太阳能电池是一个可行的途径.
控制前体度对于定制NiO_x特性和最大限度地提高太阳能电池效率至关重要.

关键词:

化学沉化学沉是一种化学沉.孔运输层是孔的运输层.氧化物纳米颗粒是什么尼奥克斯薄膜是一种薄膜.在Sb2S3太阳能电池中.

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