Beyond protocols: Understanding the electrical behavior of perovskite solar cells by impedance spectroscopy

E Ghahremanirad, O Almora, S Suresh… - Advanced Energy …, 2023 - Wiley Online Library
Impedance spectroscopy (IS) is an effective characterization technique used to probe and
distinguish charge dynamics occurring at different timescales in optoelectronic and electric …

Small is powerful: recent progress in solution‐processed small molecule solar cells

SD Collins, NA Ran, MC Heiber… - Advanced Energy …, 2017 - Wiley Online Library
Over the last 5 years, research on the synthesis, device engineering, and device physics of
solution‐processed small molecule solar cells (SMSCs) has rapidly expanded …

Self-assembled monolayer enables hole transport layer-free organic solar cells with 18% efficiency and improved operational stability

Y Lin, Y Firdaus, FH Isikgor, MI Nugraha… - ACS Energy …, 2020 - ACS Publications
We report on bulk-heterojunction (BHJ) organic photovoltaics (OPVs) based on the self-
assembled monolayer (SAM) 2PACz as a hole-selective interlayer functionalized directly …

A 19% efficient and stable organic photovoltaic device enabled by a guest nonfullerene acceptor with fibril-like morphology

H Chen, SY Jeong, J Tian, Y Zhang… - Energy & …, 2023 - pubs.rsc.org
A nonfullerene acceptor, isoIDITC, capable of exhibiting fibril-like morphology, is utilized as
a third component in organic photovoltaic devices (OPVs). A power conversion efficiency …

[HTML][HTML] High-efficiency and air-stable P3HT-based polymer solar cells with a new non-fullerene acceptor

S Holliday, RS Ashraf, A Wadsworth, D Baran… - Nature …, 2016 - nature.com
Solution-processed organic photovoltaics (OPV) offer the attractive prospect of low-cost, light-
weight and environmentally benign solar energy production. The highest efficiency OPV at …

Crystallography, morphology, electronic structure, and transport in non-fullerene/non-indacenodithienothiophene polymer: Y6 solar cells

W Zhu, AP Spencer, S Mukherjee… - Journal of the …, 2020 - ACS Publications
Emerging nonfullerene acceptors (NFAs) with crystalline domains enable high-performance
bulk heterojunction (BHJ) solar cells. Thermal annealing is known to enhance the BHJ …

A Quinoxaline‐Based D–A Copolymer Donor Achieving 17.62% Efficiency of Organic Solar Cells

C Zhu, L Meng, J Zhang, S Qin, W Lai, B Qiu… - Advanced …, 2021 - Wiley Online Library
Side‐chain engineering has been an effective strategy in tuning electronic energy levels,
intermolecular interaction, and aggregation morphology of organic photovoltaic materials …

18.9% Efficient Organic Solar Cells Based on n‐Doped Bulk‐Heterojunction and Halogen‐Substituted Self‐Assembled Monolayers as Hole Extracting Interlayers

Y Lin, Y Zhang, J Zhang, M Marcinskas… - Advanced Energy …, 2022 - Wiley Online Library
The influence of halogen substitutions (F, Cl, Br, and I) on the energy levels of the self‐
assembled hole‐extracting molecule [2‐(9H‐Carbazol‐9‐yl) ethyl] phosphonic acid …

Importance of structural hinderance in performance–stability equilibrium of organic photovoltaics

B Fan, W Gao, X Wu, X **a, Y Wu, FR Lin, Q Fan… - Nature …, 2022 - nature.com
Power conversion efficiency and long-term stability are two critical metrics for evaluating the
commercial potential of organic photovoltaics. Although the field has witnessed a rapid …

Fluorinated Perylene‐Diimides: Cathode Interlayers Facilitating Carrier Collection for High‐Performance Organic Solar Cells

J Yao, S Ding, R Zhang, Y Bai, Q Zhou… - Advanced …, 2022 - Wiley Online Library
Organic solar cells (OSCs) have experienced rapid progress with the innovation of near‐
infrared (NIR)‐absorbing small‐molecular acceptors (SMAs), while the unique electronic …