Abstract
Since their discovery 50 years ago, conjugated conducting polymers have received increasing attention owing to their unique conductive properties and potential applications in energy storage, sensors, coatings, and electronic devices such as organic field-effect transistors, photovoltaic cells, and light-emitting devices. Recently, these materials have played a key role in providing a more comfortable environment for humans. Consequently, the development of novel, high-performance conjugated conductive materials is crucial. In this mini-review, the progress of conjugated conductive materials in various applications and the relationship between the chemical structures and their performances is reviewed. This can aid in the molecular design and development of novel high-performance conjugated polymer materials.
Highlights
Conjugated conducting polymers can be divided into the following three categories according to their structural characteristics and conducting mechanism: electron conducting polymers, ionic conducting polymer, and redox polymer
The organic solar cells exhibited efficiency over 17% has reported, which is compete-able with the commercial silicon based solar cells (Zhan et al, 2020)
The results showed that optimised non-fullerene acceptors (NFAs) solar cells based on ITIC-4F paired with each of the top-performing polymers produced an average PCE of up to 7.3% for TE2-BTDF-(T2) and 3.6% for T2BTDF-(TE2)
Summary
Conjugated conducting polymers can be divided into the following three categories according to their structural characteristics and conducting mechanism: electron conducting polymers, ionic conducting polymer, and redox polymer. With the gradual development and understanding of the conjugated conductive polymer mechanism, conjugated conducting polymers have become a popular topic They are widely used in organic solar cells (OSCs), organic field effect transistors (OFETs), sensors, and colour-changing coatings, due to advantages including light weight, low cost, good stability, and excellent optical and electrical properties (Zhang et al, 2019a; Bao et al, 2020; Deng et al, 2020; Zhang et al, 2020; Dai et al, 2021). Despite the rapid development of conjugated conducting polymers, their application has rarely been reviewed (Guo et al, 2014; Yi et al, 2015; Deng et al, 2019). This review provides a reference and prospect for future applications, and the development prospects of ideal conjugated conductive materials
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