The quest for air stability in organic semiconductors

CG Tang, K Hou, WL Leong - Chemistry of Materials, 2023 - ACS Publications
Organic semiconductors (OSCs) have emerged as promising materials for a variety of
organic electronic devices due to their unique combination of electrical conductivity …

Does the traditional band picture describe the electronic structure of doped conjugated polymers? TD-DFT and natural transition orbital study of doped P3HT

EC Wu, BJ Schwartz - Journal of Chemical Theory and …, 2023 - ACS Publications
Polarons and bipolarons are created when one or two electrons are removed from the π-
system of ap-type conjugated polymer, respectively. In the traditional band picture, the …

Carrier–Carrier Repulsion Limits the Conductivity of N‐Doped Organic Semiconductors

X Yang, G Ye, J Liu, RC Chiechi… - Advanced …, 2024 - Wiley Online Library
Molecular doping is a key strategy to enhance the electrical conductivity of organic
semiconductors. Typically, the electrical conductivity shows a maximum value upon …

Benzoimidazolium-derived dimeric and hydride n-dopants for organic electron-transport materials: impact of substitution on structures, electrochemistry, and reactivity

SK Mohapatra, K Al Kurdi, S Jhulki… - Beilstein Journal of …, 2023 - beilstein-journals.org
Dimethyl-2, 3-dihydrobenzo [d] imidazoles, 1H, and 1, 1', 3, 3'-tetramethyl-2, 2', 3, 3'-
tetrahydro-2, 2'-bibenzo [d] imidazoles, 1 2, are of interest as n-dopants for organic electron …

Does the Traditional Band Picture Correctly Describe the Electronic Structure of n-Doped Conjugated Polymers? A TD-DFT and Natural Transition Orbital Study

EC Wu, BJ Schwartz - Journal of Chemical Theory and …, 2024 - ACS Publications
Doped conjugated polymers have a variety of potential applications in thermoelectric and
other electronic devices, but the nature of their electronic structure is still not well …

Direct and Inverse Photoelectron Spectroscopy Evidence for a Revised Picture of Electronic States of Negative Polarons in n‐Doped C60

Y Ren, Q Sun, S Kuila, K Tang, H Li… - Advanced Functional …, 2024 - Wiley Online Library
Determining the electronic levels associated with polarons, the fundamental charge carriers
in organic semiconductors, is key to understanding the charge transport properties of these …

Direct measurement of electron affinity of carbazole-based self-assembled monolayer used as hole-selective layer in high-efficiency perovskite solar cells

A Akatsuka, M Miura, G Kapil, S Hayase… - Applied Physics …, 2024 - pubs.aip.org
Carbazole-based self-assembled monolayers have received considerable attention as hole-
selective layers (HSLs) in inverted perovskite solar cells. As an HSL, the electron-blocking …

The Exceptionally High Dielectric Constant of Doped Organic Semiconductors

X Yang, J Liu, LJA Koster - Advanced Electronic Materials, 2024 - Wiley Online Library
The dielectric constant (ɛr) is an essential parameter as it characterizes the ability to screen
charge. Molecular doping is a key strategy to enhance the electronic properties of organic …

Beyond n-dopants for organic semiconductors: use of bibenzo [d] imidazoles in UV-promoted dehalogenation reactions of organic halides

K Tang, MR Brown, C Risko, MK Gish… - Beilstein Journal of …, 2023 - beilstein-journals.org
Bis (4-dimethylaminophenyl)-and 2, 2'-dicyclohexyl-1, 1', 3, 3'-tetramethyl-2, 2', 3, 3'-
tetrahydro-2, 2'-bibenzo [d] imidazole ((N-DMBI) 2 and (Cyc-DMBI) 2) are quite strong …