Au-CsPbBr₃ Nanoheterojunction

Pressure-tunable interfacial charge

A heterojunction formed by anchoring Au nanoparticles onto CsPbBr₃ nanocrystals, whose interfacial electron delocalization and hole migration can be tuned by external pressure, offering a new route to optimize perovskite photovoltaic performance.

Zhang, Shuhao · Xinyu, Liu · Qi, Hongjian · Tu, Hongyu · Wang, Xin · Bao, Kuo · Li, Fangfei · Xu, Shuping · Cui, Tian · Yu, Hongyu · Pan, Lingyun

Journal of Physical Chemistry C 2024

Advantages

Electron delocalization enhanced with decreasing pressure-induced interspace

Hole migration accelerated with increasing pressure-induced valence band in CsPbBr₃