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 …

Efficient and air-stable n-type doping in organic semiconductors

D Yuan, W Liu, X Zhu - Chemical Society Reviews, 2023 - pubs.rsc.org
Chemical doping of organic semiconductors (OSCs) enables feasible tuning of carrier
concentration, charge mobility, and energy levels, which is critical for the applications of …

Interface engineering in organic field-effect transistors: principles, applications, and perspectives

H Chen, W Zhang, M Li, G He, X Guo - Chemical reviews, 2020 - ACS Publications
Heterogeneous interfaces that are ubiquitous in optoelectronic devices play a key role in the
device performance and have led to the prosperity of today's microelectronics. Interface …

Interface Engineering in Organic Electronics: Energy‐Level Alignment and Charge Transport

P Li, ZH Lu - Small Science, 2021 - Wiley Online Library
Organic light‐emitting diodes (OLEDs) and organic solar cells are new members of trillion‐
dollar semiconductor industry. The structure of these devices generally consists of a stack of …

Ohmic transition at contacts key to maximizing fill factor and performance of organic solar cells

JK Tan, RQ Png, C Zhao, PKH Ho - Nature communications, 2018 - nature.com
While thermodynamic detailed balance limits the maximum power conversion efficiency of a
solar cell, the quality of its contacts can further limit the actual efficiency. The criteria for good …

Improving organic photovoltaic cells by forcing electrode work function well beyond onset of Ohmic transition

C Zhao, CG Tang, ZL Seah, QM Koh, LL Chua… - Nature …, 2021 - nature.com
As electrode work function rises or falls sufficiently, the organic semiconductor/electrode
contact reaches Fermi-level pinning, and then, few tenths of an electron-volt later, Ohmic …

Effects of planarization of the triphenylamine unit on the electronic and transport properties of triarylamine–fluorene copolymers in both doped and undoped forms

QM Koh, NS Mazlan, QJ Seah, JC Yang… - … Applied Materials & …, 2024 - ACS Publications
Triarylamine-alt-fluorene (TAF) copolymers are widely used for hole injection and transport
in organic electronics. Despite suggestions to planarize the triphenylamine moiety, little …

Multivalent anions as universal latent electron donors

CG Tang, MN Syafiqah, QM Koh, C Zhao, J Zaini… - Nature, 2019 - nature.com
Electrodes with low work functions are required to efficiently inject electrons into
semiconductor devices. However, when the work function drops below about 4 electronvolts …

Electrical edge effect induced photocurrent overestimation in low-light organic photovoltaics

X Zhou, C Zhao, AN Alotaibi, H Wu, HB Naveed, B Lin… - Joule, 2022 - cell.com
In many literatures, the short-circuit current (J SC) of indoor organic photovoltaics is
overestimated, leading to severely wrong device performance evaluation and analysis. In …

Efficient n‐Dopants and Their Roles in Organic Electronics

Z Bin, Z Liu, Y Qiu, L Duan - Advanced Optical Materials, 2018 - Wiley Online Library
The n‐type doping is an effective method to improve electron injection/extraction which not
only provides a way to fine‐control the energy level of organic semiconductors, but also …