Pushing commercialization of perovskite solar cells by improving their intrinsic stability

Y Cheng, L Ding - Energy & Environmental Science, 2021 - pubs.rsc.org
Despite the rapid progress in the power conversion efficiency (PCE) from 3.8% to 25.5%
with ten years of effort, the real outdoor applications of perovskite solar cells (PSCs) are still …

Lead‐free organic–inorganic hybrid perovskites for photovoltaic applications: recent advances and perspectives

Z Shi, J Guo, Y Chen, Q Li, Y Pan, H Zhang… - Advanced …, 2017 - Wiley Online Library
Organic–inorganic hybrid halide perovskites (eg, MAPbI3) have recently emerged as novel
active materials for photovoltaic applications with power conversion efficiency over 22 …

Perovskite/Si tandem solar cells: Fundamentals, advances, challenges, and novel applications

Y Cheng, L Ding - SusMat, 2021 - Wiley Online Library
The world record device efficiency of single‐junction solar cells based on organic–inorganic
hybrid perovskites has reached 25.5%. Further improvement in device power conversion …

20.7% highly reproducible inverted planar perovskite solar cells with enhanced fill factor and eliminated hysteresis

X Liu, Y Cheng, C Liu, T Zhang, N Zhang… - Energy & …, 2019 - pubs.rsc.org
Despite the low-cost and moderate-temperature fabrication process of inverted planar
perovskite solar cells (PVSCs), the relatively low efficiency (< 20%), inferior reproducibility …

Revealing the degradation and self‐healing mechanisms in perovskite solar cells by sub‐bandgap external quantum efficiency spectroscopy

Y Cheng, X Liu, Z Guan, M Li, Z Zeng, HW Li… - Advanced …, 2021 - Wiley Online Library
Ion dissociation has been identified to determine the intrinsic stability of perovskite solar
cells (PVSCs), but the underlying degradation mechanism is still elusive. Herein, by …

S-shaped current–voltage characteristics in solar cells: a review

R Saive - IEEE Journal of Photovoltaics, 2019 - ieeexplore.ieee.org
S-shaped current-voltage (IV) characteristics are a frequently occurring hurdle in the
development of new solar cell material combinations and device architectures. Their …

Strategies to improve luminescence efficiency of metal‐halide perovskites and light‐emitting diodes

YH Kim, JS Kim, TW Lee - Advanced Materials, 2019 - Wiley Online Library
Metal‐halide perovskites (MHPs) are well suited to be vivid natural color emitters due to their
superior optical and electrical properties, such as narrow emission linewidths, easily and …

Impact of surface dipole in NiOx on the crystallization and photovoltaic performance of organometal halide perovskite solar cells

Y Cheng, M Li, X Liu, SH Cheung, HT Chandran, HW Li… - Nano Energy, 2019 - Elsevier
Despite the success of solution processed nickel oxide (s-NiO x) as the hole transporting
layer (HTL) in organic solar cells, applying s-NiO x in perovskite solar cells (PVSCs) is not …

18% high‐efficiency air‐processed perovskite solar cells made in a humid atmosphere of 70% RH

Y Cheng, X Xu, Y Xie, HW Li, J Qing, C Ma, CS Lee… - Solar …, 2017 - Wiley Online Library
Despite the advanced progress in power conversion efficiency (PCE), developing air‐
processed high‐efficiency perovskite solar cells (PVSCs) for future commercialization is still …

Interfacial modification of perovskite solar cells using an ultrathin MAI layer leads to enhanced energy level alignment, efficiencies, and reproducibility

Z Hawash, SR Raga, DY Son, LK Ono… - The journal of …, 2017 - ACS Publications
For the first time, we intentionally deposit an ultrathin layer of excess methylammonium
iodide (MAI) on top of a methylammonium lead iodide (MAPI) perovskite film. Using …