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结晶调制和整体被动化使高效的双终端矿/CuIn (Ga) Se2 串联太阳能电池成为可能

Cong Geng¹, Kuanxiang Zhang², Changhua Wang²

¹State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, People's Republic of China.

Nano-micro letters

|September 21, 2024

概括

研究人员使用新的被动化方法改进了矿/CIGS双联太阳能电池. 这使得双终端设备的功率转换效率达到创纪录的24.6%.

科学领域:

材料科学材料科学材料科学
可再生能源是可再生能源的来源.
太阳能光伏发电是如何实现的

背景情况:

双终端矿 (PVK) /CuIn(Ga) Se2 (CIGS) 双联太阳能电池提供理想的带隙匹配,以实现高效率.
商业CIGS表面粗性阻碍了矿层覆盖和设备性能.

研究的目的:

为了提高双终端PVK/CIGS联太阳能电池的性能.
为应对与CIGS表面形态和接口重组相关的挑战.

主要方法:

使用D-homoserine乳化物来改善PVK覆盖率和被动化散装缺陷.
使用2-thiopheneethylammonium iodide和N,N-dimethylformamide进行表面重建,以使表面和粒度边界缺陷被动化.
嵌入LiF,以创建一个场景效果,以减少接口重组.

主要成果:

实现了 24.6% 的功率转换效率,用于 0.16 平方厘米的两端 PVK/CIGS 协奏太阳能电池.
在粗的CIGS表面上展示了改进的PVK覆盖面.
通过缺陷被动化和场效应成功减少了接口重组.

结论:

开发的方法显著提高了PVK/CIGS双联太阳能电池的性能.
这种方法显示出在并联光伏设备中实现更高效率的巨大潜力.

关键词:

不规则的粗表面不规则的粗表面调节增长的增长方式在PVK/C60接口重组组合的过程中.在PVK/CIGS的TSC中.

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