journal article·2026-01-09

Breaking Morphology Limits: The Rise of Volatile Solid Additives in Organic Photovoltaics

Zhilin Zhang, Yuanpeng Xie, Xiaxia Yang, Jingfu Tian, Zhuo Wang, Junbo Chen, Qi Zhao, Menglan Lv

ACS Energy Letters· Volume 11· Issue 1
Publisher page

Abstract

The nanoscale morphology of the active layer is crucial in determining exciton generation, dissociation, and charge transport. In this regard, the solid additive strategy has surfaced as an effective approach for fine-tuning the morphology of the active layer during the film process. Notably, the incorporation of volatile solid additives (VSAs) has achieved significant enhancements with device efficiency approaching 21% for state-of-the-art organic solar cells. Here, this review categorizes recently reported VSAs into three distinct structural types including benzene, thiophene, and other types. We systematically explored their structure–function relationships and working mechanisms, aiming to gain deeper insights into the influence of VSAs on the morphology of the active layer and overall performance of the devices. Furthermore, this review addresses current challenges and future perspectives in VSA design with the intention of inspiring further progress in the field of organic photovoltaics.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Organic Electronics and Photovoltaics · Perovskite Materials and Applications · TiO2 Photocatalysis and Solar Cells

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Engineering Research Center for Energy Conversion and Storage Technology of Guizhou, School of Chemistry and Chemical Engineering

Guizhou University

State Key Laboratory of Phytochemistry and Natural Medicines, Yunnan Key Laboratory for Fungal Diversity and Green Development

Kunming Institute of Botany, Chinese Academy of Sciences

Funding

Natural Science Foundation of Guizhou Province · National Natural Science Foundation of China · the High-level Innovative Talents Foundation of Guizhou Province · Guizhou Province Basic Research Program · Natural Science Foundation of Guizhou University · Science and Technology Innovation Team of Higher Education Department of Guizhou Province · Natural Science Basic Research Program Talent Team Support Project of Guizhou Province

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