
1.华北电力大学新能源学院,北京市 昌平区 102206
2.河北工程大学能源与环境工程学院,河北省 邯郸市 056038
Received:07 April 2022,
Published:28 February 2023
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岳晓鹏,赵兴,闫慧琳等.基于SnO2电子传输层的n-i-p型钙钛矿太阳能电池关键技术研究[J].发电技术,2023,44(01):63-77.
YUE Xiaopeng,ZHAO Xing,YAN Huilin,et al.Research of Key Technologies for n-i-p Perovskite Solar Cells With SnO2 Electron Transport Layer[J].Power Generation Technology,2023,44(01):63-77.
岳晓鹏,赵兴,闫慧琳等.基于SnO2电子传输层的n-i-p型钙钛矿太阳能电池关键技术研究[J].发电技术,2023,44(01):63-77. DOI: 10.12096/j.2096-4528.pgt.22072.
YUE Xiaopeng,ZHAO Xing,YAN Huilin,et al.Research of Key Technologies for n-i-p Perovskite Solar Cells With SnO2 Electron Transport Layer[J].Power Generation Technology,2023,44(01):63-77. DOI: 10.12096/j.2096-4528.pgt.22072.
钙钛矿太阳能电池(perovskite solar cells,PSCs)由于光电转换效率高、制备工艺简单、成本低等优势受到广泛关注,电池效率已从3.8%提升到25.7%。目前,对基于SnO
2
电子传输层的n-i-p型平板结构电池的研究越来越多,但存在着工艺可重复性差、效率低等问题。针对n-i-p型平板结构PSCs的制备进行了系统的研究,包括导电基底的选择、钙钛矿制备工艺参数的优化以及电池存储环境。结果证明,上述参数对于电池均具有重要影响,并结合扫描电子显微镜、X射线衍射、吸收光谱分析了原因。在最优工艺条件下(掺锡氧化铟基底,PbI
2
退火温度70 ℃(1 min),胺盐溶液滴加后静置时间不超过5 s,存储湿度4.5%),器件平均效率达到21.85%,最高效率达到23.47%,迟滞可忽略,具有良好的可重复性。研究结果可为制备重复性好、光电转换效率高的PSCs提供科学支撑。
Perovskite solar cells (PSCs) have attracted extensive attentions due to their high-efficiency
simple preparation process and low-cost. The efficiency of the PSCs has increased from 3.8% to 25.7%. So far
more and more studies focus on n-i-p structured PSCs using SnO
2
as electron tra
nsport layer. However
its process reproducibility is relatively poor
and efficiency is still low. This report conducted a systematic study of planar n-i-p PSCs
mainly including the selection of transparent conductive oxide (TCO) glass
optimization of preparation parameters and the influence of storage conditions on device performance. Experimental results show that these parameters have an important impact on the device performance. At the same time
it was analyzed by scanning electron microscope
X-ray diffraction
absorption spectrum. The devices achieved an average efficiency of 21.85% and a highest efficiency of 23.47% with good reproducibility under the optimal conditions (Indium Tin oxide substrate
PbI
2
annealed at 70 ℃ for 1 min
standing time after dropping amine salt solution is less than 5 s
and stored in 4.5% humidity environment). This work provides scientific support for the preparation of high-efficiency and repeatable PSCs.
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