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Organic photovoltaics (OPV) is a promising next-generation photovoltaic technology with great potential for wearable and transparent device applications. Over the past decades, remarkable advances in device efficiency close to 20%… Click to show full abstract
Organic photovoltaics (OPV) is a promising next-generation photovoltaic technology with great potential for wearable and transparent device applications. Over the past decades, remarkable advances in device efficiency close to 20% have been made for bulk heterojunction (BHJ)-based OPV devices (OPVs) with long-term stability, and room for further improvements still exists. In recent years, ancillary components have been demonstrated as effective in improving the photovoltaic performance of OPVs by controlling the optoelectronic and morphological properties of BHJ blends. Herein, we provide an updated understanding of polymer-based blend OPVs and then categorize and discuss the role and impact of ancillary components in various blend systems. Lastly, we provide a strategic perspective on the ancillary components of blend-based OPVs for commercialization.
Journal Title: ChemSusChem
Year Published: 2021
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