使用聚3-硫烯的高效,稳定和可扩展的矿太阳能电池
Eui Hyuk Jung1, Nam Joong Jeon1, Eun Young Park1
1Division of Advanced Materials, Korea Research Institute of Chemical Technology (KRICT), Daejeon, South Korea.
Nature
|March 29, 2019
概括
这项研究引入了一种新型的矿太阳能电池设计,使用聚3-西 (P3HT) 作为无添加剂的孔输送材料. 这一进步实现了高功率转换效率和更好的稳定性,为更多可商业化的矿太阳能电池铺平了道路.
科学领域:
- 材料科学
- 可再生能源
- 太阳能发电
背景情况:
- 矿太阳能电池通常使用聚三胺 (PTAA) 或螺旋OMeTAD作为孔输送材料,但由于成本和剂诱导的降解,它们面临商业化挑战.
- 聚3-乙烯 (P3HT) 提供了一个低成本,易于制造的替代品,具有良好的光电子特性,但其在矿太阳能电池中的使用仅限于效率约为16%.
研究的目的:
- 为高效的矿太阳能电池开发无添加剂的设备架构,使用P3HT作为孔运输材料.
- 克服P3HT在矿太阳能电池中的效率限制,并提高设备的稳定性.
主要方法:
- 提出了一种新型的装置架构,使用n-hexyl trimethyl ammonium bromide在perovskite活性层上形成的薄宽带间隔化层.
- 聚3-乙烯 (P3HT) 被用作无剂的孔输送材料.
- 为了制造大面积模块,使用了可扩展的条形涂层方法.
主要成果:
- 在最小的hysteresis (±0.51%) 实现了22.7%的认证功率转换效率.
- 设备表现出良好的稳定性,在室温下在1-Sun照明下运行1370小时后保持95%的初始效率.
- 使用可扩展方法制造的大面积模块 (24.97厘米) 的功率转换效率达到了16.0%.
结论:
- 拟议的架构成功地利用P3HT作为无添加剂的孔输送材料,显著提高矿太阳能电池的效率和稳定性.
- 通过解决与传统材料相关的成本和降解问题,这种方法为矿太阳能电池的商业化提供了有前途的途径.
- 使用宽带化物与P3HT一起,为推进矿太阳能电池技术提供了有价值的研究方向.
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