High throughput fabrication of mesoporous carbon perovskite solar cells
High throughput fabrication of mesoporous carbon perovskite solar cells
复制标题
DOI：
10.1039/c7ta05674e
复制
发表时间：
2017-09-21
影响因子：
11.9
通讯作者：
Watson, Trystan
中科院分区：
文献类型：
--
作者：
Baker, Jenny;Hooper, Katherine;Watson, Trystan
丝网印刷介孔碳钙钛矿太阳能电池由于其可扩展的沉积工艺和使用廉价材料而具有巨大的商业化潜力。然而，每一层都需要长时间的高温加热步骤来实现必要的烧结和多孔性，这对于大规模生产来说是非常耗时且耗能的。近红外处理在这里被证明可以将完全印刷的卤化铅钙钛矿太阳能电池内的中孔层的加热时间从2小时减少到30秒。通过在30秒内处理实现了11%的稳定效率，与在2小时内加热的器件相同。首次研究了碳电极中残余粘结剂对电子寿命和器件内电荷转移的影响。此外，钙钛矿渗透的横截面EDX绘图提供了对这些器件的加工要求的更好理解，这对实现商业化至关重要。
The screen printed mesoporous carbon perovskite solar cell has great potential for commercialisation due to its scalable deposition processes and use of inexpensive materials. However, each layer requires long high temperature heating steps to achieve the necessary sintering and porosity, which is very time and energy intensive for large scale production. Near infrared processing is demonstrated here to reduce the heating time of mesoporous layers within a fully printed lead halide perovskite solar cell from 2 hours to 30 seconds. A stabilised efficiency of 11% was achieved by processing in 30 seconds, identical to that of devices heated in 2 hours. For the first time the effect of residual binder in the carbon electrode on the electron lifetime and charge transfer within devices has been investigated. Furthermore cross section EDX mapping of perovskite infiltration provides a greater understanding into the processing requirements of these devices vital to enable commercialisation.