SiO<sub>2</sub> nanoparticle-regulated crystallization of lead halide perovskite and improved efficiency of carbon-electrode-based low-temperature planar perovskite solar cells

SiO₂ nanoparticle-regulated crystallization of lead halide perovskite and improved efficiency of carbon-electrode-based low-temperature planar perovskite solar cells

Liang Zerong¹, Yang Bingchu^{1, †}, Mei Anyi², Lin Siyuan¹, Han Hongwei², Yuan Yongbo¹, Xie Haipeng¹, Gao Yongli^{1, 3}, Zhou Conghua^{1, ‡}

(a) UV-vis absorption spectra, and (b) time-resolved photoluminance spectra (TRPL) of PVSK films with incorporation of SiO₂ NPs.