All‐Ambient‐Processed CuSCN as an Inexpensive Alternative to Spiro‐OMeTAD for Perovskite‐Based Devices

• DOI: 10.1002/ente.202000791
• Publication Date: 2020-11-07T15:06:23Z
• Authors: Ivy M. Asuo; Soraya Bouzidi; Ibrahima Ka; Federico Rosei; Alain Pignolet; Riad Nechache; Sylvain G. Cloutier
• Keywords: 01 natural sciences; 7. Clean energy; 0104 chemical sciences

Organic hole‐transporting materials (HTM) are widely used for high‐efficiency solar cells. However, compared with their inorganic counterparts, these often expensive and require complex synthesis methods the addition of costly dopants to improve performance. In addition, exposure ambient environment affects chemical stability some organic as well device characteristics. Herein, an all‐ambient fabrication method is develop a CuSCN layer alternative conventional Spiro‐OMeTAD HTM. thin films incorporated into both cells photodetectors study effect on optoelectronic properties devices. For made CuSCN, power conversion efficiency 14.3% achieved, remarkable ambient‐stability without encapsulation. Regarding high‐specific detectivity up 10 12 Jones exhibited. Solution‐processed devices exhibit overall impressive performances represent essential step toward large‐scale efficient, stable, facile, inexpensive perovskite‐based technologies.