Research Progress and Application of High Efficiency Organic Solar Cells Based on Benzodithiophene Donor Materials

Overview

Journal Exploration (Beijing)

Specialty Biomedical Engineering

Date 2024 Aug 23

PMID 39175891

Authors

Congqi Lin

Ruixiang Peng

Jingyu Shi

Ziyi Ge

Affiliations

Soon will be listed here.

Abstract

In recent decades, the demand for clean and renewable energy has grown increasingly urgent due to the irreversible alteration of the global climate change. As a result, organic solar cells (OSCs) have emerged as a promising alternative to address this issue. In this review, we summarize the recent progress in the molecular design strategies of benzodithiophene (BDT)-based polymer and small molecule donor materials since their birth, focusing on the development of main-chain engineering, side-chain engineering and other unique molecular design paths. Up to now, the state-of-the-art power conversion efficiency () of binary OSCs prepared by BDT-based donor materials has approached 20%. This work discusses the potential relationship between the molecular changes of donor materials and photoelectric performance in corresponding OSC devices in detail, thereby presenting a rational molecular design guidance for stable and efficient donor materials in future.

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