Doping approaches for organic semiconductors

AD Scaccabarozzi, A Basu, F Aniés, J Liu… - Chemical …, 2021 - ACS Publications
Electronic doping in organic materials has remained an elusive concept for several
decades. It drew considerable attention in the early days in the quest for organic materials …

A history and perspective of non‐fullerene electron acceptors for organic solar cells

A Armin, W Li, OJ Sandberg, Z Xiao… - Advanced Energy …, 2021 - Wiley Online Library
Organic solar cells are composed of electron donating and accepting organic
semiconductors. Whilst a significant palette of donors has been developed over three …

Realizing 19.05% efficiency polymer solar cells by progressively improving charge extraction and suppressing charge recombination

K Chong, X Xu, H Meng, J Xue, L Yu, W Ma… - Advanced …, 2022 - Wiley Online Library
Improving charge extraction and suppressing charge recombination are critically important
to minimize the loss of absorbed photons and improve the device performance of polymer …

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 …

A tandem organic photovoltaic cell with 19.6% efficiency enabled by light distribution control

J Wang, Z Zheng, Y Zu, Y Wang, X Liu… - Advanced …, 2021 - Wiley Online Library
Despite more potential in realizing higher photovoltaic performance, the highest power
conversion efficiency (PCE) of tandem organic photovoltaic (OPV) cells still lags behind that …

High fill factor organic solar cells with increased dielectric constant and molecular packing density

X Zhang, C Li, J Xu, R Wang, J Song, H Zhang, Y Li… - Joule, 2022 - cell.com
The fill factor (FF) of organic solar cells (OSCs), a critically important photovoltaic parameter,
is still sub-optimal, often less than 0.8. To further reduce the FF gaps with regard to the …

High‐Performance Small Molecule Organic Solar Cells Enabled by a Symmetric‐Asymmetric Alloy Acceptor with a Broad Composition Tolerance

Y Gao, X Yang, W Wang, R Sun, J Cui, Y Fu… - Advanced …, 2023 - Wiley Online Library
Using a combinatory blending strategy is demonstrated as a promising path for designing
efficient organic solar cells (OSCs) by boosting the short‐circuit current density and fill factor …

A simple n-dopant derived from diquat boosts the efficiency of organic solar cells to 18.3%

Y Lin, MI Nugraha, Y Firdaus… - ACS Energy …, 2020 - ACS Publications
Molecular doping has recently been shown to improve the operating characteristics of
organic photovoltaics (OPVs). Here, we prepare neutral Diquat (DQ) and use it as n-dopant …

Additive-induced miscibility regulation and hierarchical morphology enable 17.5% binary organic solar cells

J Lv, H Tang, J Huang, C Yan, K Liu, Q Yang… - Energy & …, 2021 - pubs.rsc.org
Due to barrierless free charge generation, low charge trapping, and high charge mobilities,
the PM6: Y6 organic solar cell (OSC) achieves an excellent power conversion efficiency …

Band structure engineering and defect control of Ta3N5 for efficient photoelectrochemical water oxidation

Y Xiao, C Feng, J Fu, F Wang, C Li, VF Kunzelmann… - Nature Catalysis, 2020 - nature.com
Ta3N5 is a promising photoanode material with a theoretical maximum solar conversion
efficiency of 15.9% for photoelectrochemical water splitting. However, the highest applied …