ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2022
Revealing the Electrophilic-Attack Doping Mechanism for Efficient and Universal p-Doping of Organic Semiconductors.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Anion-Engineered Organic Electrochemical Transistors With Multi-Timescale Synaptic Dynamics for Task-Adaptive Spiking Neural Networks.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
- Controlling the Optoelectronic Properties of the Non-Fullerene Acceptor Y6 via p-Doping.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
- Efficient n-Doping of Organic Semiconductors via a Broadly Applicable Nucleophilic-Attack Mechanism.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Synthesis of a Stable Radical Cation of Bis-Tert-Butyl Ethylenedioxythiophene and its Application as a Dopant in Organic Semiconductors.Small (Weinheim an der Bergstrasse, Germany) · 2025Article
- Doping bilayer hole-transport polymer strategy stabilizing solution-processed green quantum-dot light-emitting diodes.Science advances · 2024Article
- Revealing the Electrophilic-Attack Doping Mechanism for Efficient and Universal p-Doping of Organic Semiconductors.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2022Article
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Authors and funding
15 authors.
Funding
Abstract
Doping is of great importance to tailor the electrical properties of semiconductors. However, the present doping methodologies for organic semiconductors (OSCs) are either inefficient or can only apply to some OSCs conditionally, seriously limiting their general applications. Herein, a novel p-doping mechanism is revealed by investigating the interactions between the dopant trityl tetrakis(pentafluorophenyl) borate (TrTPFB) and poly(3-hexylthiophene) (P3HT). It is found that electrophilic attack of the trityl cations on thiophenes results in the formation of tritylated thiophenium ions, which subsequently induce electron transfer from neighboring P3HT chains to realize p-doping. This unique p-doping mechanism enables TrTPFB to p-dope various OSCs including those with high ionization energy (IE ≈ 5.8 eV). Moreover, this doping mechanism endows TrTPFB with strong doping capability, leading to doping efficiency of over 80% in P3HT. The discovery and elucidation of this novel doping mechanism not only points out that strong electrophiles are a class of efficient p-dopants for OSCs, but also provides new opportunities toward highly efficient doping of various OSCs.
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