Strong Acceptors Based on Derivatives of Benzothiadiazoloimidazole
Hanyun Du, Bin Chen, Fengyuan Zhang
TL;DR
This paper introduces a new strong acceptor material that could improve air-stable n-type organic semiconductors.
Contribution
The novel benzothiadiazoloimidazole-based acceptor BTI-NDI-BTI-a shows high electron affinity and air stability.
Findings
BTI-NDI-BTI-a has a high electron affinity of 3.94 eV and good solubility.
The material forms 1D slipped-stacking crystals, which is promising for semiconductor applications.
It shows potential for air-stable n-type organic semiconductors.
Abstract
Despite the rapid progression of organic semiconductors, developing high-air-stability n-type organic semiconductors are still challenging. Herein, novel strong acceptors based on benzothiadiazoloimidazole units are reported. The results reveal that the strong acceptor BTI-NDI-BTI-a has good solubility and high electron affinity (3.94 eV), accompanied by 1D slipped-stacking crystals. Notably, the material presents promising potential for developing into air-stable n-type organic semiconductor materials.
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Taxonomy
TopicsOrganic Electronics and Photovoltaics · Luminescence and Fluorescent Materials · Organic and Molecular Conductors Research