Rethinking the role of excess/residual lead iodide in perovskite solar cells

Y Gao, H Raza, Z Zhang, W Chen… - Advanced Functional …, 2023 - Wiley Online Library
It is widely believed that excess/residual lead iodide (PbI2) can affect the performance of
perovskite solar cells. Moderate PbI2 can enhance efficiency by passivating defects, while …

Functional layers of inverted flexible perovskite solar cells and effective technologies for device commercialization

Z Xu, Q Zhuang, Y Zhou, S Lu, X Wang, W Cai… - Small …, 2023 - Wiley Online Library
Perovskite solar cells (PSCs) are now one of the most promising solar cells due to
advantages such as high‐power conversion efficiency (PCE), low cost, and ease of …

Modulation of nucleation and crystallization in PbI 2 films promoting preferential perovskite orientation growth for efficient solar cells

W Shao, H Wang, F Ye, C Wang, C Wang… - Energy & …, 2023 - pubs.rsc.org
Formamidinium (FA)-rich lead iodide perovskite solar cells (PSCs) are gaining popularity
because of their excellent photovoltaic performance. Nevertheless, the FA-rich perovskites …

Elimination of unstable residual lead iodide near the buried interface for the stability improvement of perovskite solar cells

Y Gao, F Ren, D Sun, S Li, G Zheng, J Wang… - Energy & …, 2023 - pubs.rsc.org
In perovskite solar cells, the formation of residual/excess lead iodide (PbI2) in the perovskite
film is detrimental to device stability. However, the understanding of the effect of …

Perovskite Films Regulation via Hydrogen‐Bonded Polymer Network for Efficient and Stable Perovskite Solar Cells

Y Xu, X Guo, Z Lin, Q Wang, J Su, J Zhang… - Angewandte …, 2023 - Wiley Online Library
Perovskite solar cells (PSCs) are considered as a promising photovoltaic technology due to
their high efficiency and low cost. However, their long‐term stability, mechanical durability …

Multidentate coordination induced crystal growth regulation and trap passivation enables over 24% efficiency in perovskite solar cells

R Yu, G Wu, R Shi, Z Ma, Q Dang… - Advanced Energy …, 2023 - Wiley Online Library
Crystal growth regulation has become an effective solution to reduce the defects at grain
boundaries (GBs) and surfaces of perovskite films for better photovoltaic performances …

Dopant‐Free Two‐Dimensional Hole Transport Small Molecules Enable Efficient Perovskite Solar Cells

X Ji, T Zhou, Q Fu, W Wang, Z Wu… - Advanced Energy …, 2023 - Wiley Online Library
Developing dopant‐free hole transport materials (HTMs) to replace Spiro‐OMeTAD is a
challenging but urgent issue for commercialization of state‐of‐the‐art n‐i‐p structured …

Reduced Open‐Circuit Voltage Loss of Perovskite Solar Cells via Forming p/p+ Homojunction and Interface Electric Field on the Surfaces of Perovskite Film

J Zhang, Y Sun, C Huang, B Yu… - Advanced Energy …, 2022 - Wiley Online Library
The severe nonradiative recombination losses limit the further improvement of open‐circuit
voltage (Voc) and power conversion efficiency (PCE) of perovskite solar cells (PVSCs). In …

Inhibition of ion migration for highly efficient and stable perovskite solar cells

Y Zhong, J Yang, X Wang, Y Liu, Q Cai… - Advanced …, 2023 - Wiley Online Library
In recent years, organic‐inorganic halide perovskites are now emerging as the most
attractive alternatives for next‐generation photovoltaic devices, due to their excellent …

Improved reverse bias stability in p–i–n perovskite solar cells with optimized hole transport materials and less reactive electrodes

F Jiang, Y Shi, TR Rana, D Morales, IE Gould… - Nature Energy, 2024 - nature.com
As perovskite photovoltaics stride towards commercialization, reverse bias degradation in
shaded cells that must current match illuminated cells is a serious challenge. Previous …