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胆衍生物作为一个多功能界面桥梁,通过协同效应来提高矿太阳能电池的效率和稳定性

Xiangxin Meng¹, Qing Sun¹, Bo Shen¹

¹State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun, 130012, China.

Small (Weinheim an der Bergstrasse, Germany)

|January 15, 2024

概括

氧化电子输送层 (ETL) 中的化化盐 (PCSS) 兴奋剂通过被动化缺陷来提高矿太阳能电池的效率和稳定性. 这种方法为下一代太阳能设备提供了一个有前途的战略.

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:

电子输送层 (ETL) 中的界面载体非辐射重组和能量障碍限制了矿太阳能电池 (PSC) 的性能.
在ETL中的缺陷是PSC效率和稳定性降低的主要原因.

研究的目的:

为了研究胆化物 (CC),乙胆化物 (AC) 和化酸盐 (PCSS) 在SnO₂ETL中作为兴奋剂对PSC的影响.
探索这些剂如何修改SnO₂/矿接口以提高设备性能和稳定性.

主要方法:

使用CC,AC和PCSS合的SnO₂ETL的制造.
化SnO₂ETL与矿层之间的接口的表征.
制造PSC设备的性能和稳定性测试.

主要成果:

PCSS 兴奋剂有效地使缺陷无源化,增强界面接触,并形成均的ETL膜.
使用PCSS合SnO₂ETL的PSC设备实现了23.06%的峰值效率和1.2V的高开放电路电压 (V_OC).
经过500小时的老化后,PCSS-doped设备保持了94%的初始效率,显著超过了控制设备 (80%的保留).

结论:

化酸盐 (PCSS) 是由于其PO和离子组在PSC中的SnO₂ETL中与CC和AC相比,是一种优越的剂.
PCSS剂显著提高了矿太阳能电池的功率转换效率和运行稳定性.
这项研究为选择添加剂提供了有价值的见解,以改善PSC中预埋的ETL.

关键词:

SnO2复合ETLs的使用情况埋藏的接口被动化被掩埋的接口被动化能源水平调整调整.接口电荷再组合接口电荷再组合矿太阳能电池是如何使用的

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