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 …

Additive engineering for efficient and stable perovskite solar cells

F Zhang, K Zhu - Advanced Energy Materials, 2020 - Wiley Online Library
Perovskite solar cells (PSCs) have reached a certified 25.2% efficiency in 2019 due to their
high absorption coefficient, high carrier mobility, long diffusion length, and tunable direct …

Inhibition of halide oxidation and deprotonation of organic cations with dimethylammonium formate for air-processed p–i–n perovskite solar cells

H Meng, K Mao, F Cai, K Zhang, S Yuan, T Li, F Cao… - Nature Energy, 2024 - nature.com
The manufacturing of perovskite solar cells under ambient conditions is desirable, yet the
efficiency of p–i–n perovskite solar cells fabricated in air still lags behind those made in an …

Origins and influences of metallic lead in perovskite solar cells

J Liang, X Hu, C Wang, C Liang, C Chen, M **ao, J Li… - Joule, 2022 - cell.com
Metallic lead (Pb 0) impurities in metal-halide perovskites have attracted tremendous
research concerns owing to their detrimental effects on perovskite solar cells (PSCs) …

Suppressing ion migration by synergistic engineering of anion and cation toward high‐performance inverted perovskite solar cells and modules

Z Zhang, M Li, R Li, X Zhuang, C Wang… - Advanced …, 2024 - Wiley Online Library
Ion migration‐induced intrinsic instability and large‐area fabrication pose a tough challenge
for the commercial deployment of perovskite photovoltaics. Herein, an interface …

Modulating crystal growth of formamidinium–caesium perovskites for over 200 cm2 photovoltaic sub-modules

T Bu, LK Ono, J Li, J Su, G Tong, W Zhang, Y Liu… - Nature Energy, 2022 - nature.com
Upscalable fabrication of efficient and stable perovskite solar modules is urgently needed for
commercialization. Here we introduce methylammonium chloride additives in the co-solvent …

Efficient, stable silicon tandem cells enabled by anion-engineered wide-bandgap perovskites

D Kim, HJ Jung, IJ Park, BW Larson, SP Dunfield… - Science, 2020 - science.org
Maximizing the power conversion efficiency (PCE) of perovskite/silicon tandem solar cells
that can exceed the Shockley-Queisser single-cell limit requires a high-performing, stable …

Trap state passivation by rational ligand molecule engineering toward efficient and stable perovskite solar cells exceeding 23% efficiency

L Zhu, X Zhang, M Li, X Shang, K Lei… - Advanced Energy …, 2021 - Wiley Online Library
The nonradiative recombination losses resulting from the trap states at the surface and grain
boundaries directly hinder the further enhancement of power conversion efficiency (PCE) …

Buried interfaces in halide perovskite photovoltaics

X Yang, D Luo, Y **ang, L Zhao, M Anaya… - Advanced …, 2021 - Wiley Online Library
Understanding the fundamental properties of buried interfaces in perovskite photovoltaics is
of paramount importance to the enhancement of device efficiency and stability …

Defect passivation strategies in perovskites for an enhanced photovoltaic performance

L Fu, H Li, L Wang, R Yin, B Li, L Yin - Energy & Environmental …, 2020 - pubs.rsc.org
Since the first introduction of the organic–inorganic hybrid perovskite in the field of
optoelectronics, extraordinary progress in both the photoelectric-conversion-efficiency and …