Recent development in solid additives enables high-performance organic solar cells

Memon，Waqar Ali1,2,3; Deng，Zihao1,2,3; He，Feng1,2,3

2024-07-01

10.1016/j.enchem.2024.100129

EnergyChem   影响因子和分区

2589-7780

The active layer morphology in organic solar cells (OSCs) including ideal vertical phase separation, molecular packing, and domain size are crucial in influencing the behavior of excitons and charge carriers. Many techniques have been developed to optimize the morphology throughout fabrication extending from thermal and solvent vapor annealing to incorporation of solvent additives. Nevertheless, these posttreatments are unsuitable for large-area OSC fabrication, and solvent additives remain within the active layer, gradually comprising morphology and device performance over time. Recently, the development of solid additives with their unique characteristics, offers superior morphology control, easy posttreatments, and enhanced device stability. Consequently, solid additives have rapidly achieved popularity as a universal and considerably used method to optimize morphology and performance. However, the operational mechanism of solid additives, especially their interactions with donor-acceptor within the active layer remains unclear, hindering their development and use in emerging OSC systems. Therefore, we have summarized recent findings on solid additives volatile and nonvolatile depending on their characteristics, and a comprehensive discussion of different mechanisms is reviewed. These insights aim to assist in choosing suitable solid additives for newly developed OSC systems. Finally, we provide a brief overview of challenges and potential advancements concerning solid additives in OSCs.

Morphology Organic solar cells Solid additives Stability Working mechanisms

ESCI ; EI

英语

第一 ; 通讯

20242616300902

Additives ; Morphology ; Phase separation ; Solvents

Thermodynamics:641.1 ; Solar Cells:702.3 ; Chemical Operations:802.3 ; Chemical Agents and Basic Industrial Chemicals:803 ; Physical Properties of Gases, Liquids and Solids:931.2 ; Materials Science:951

2-s2.0-85196488642

Scopus

1.Shenzhen Grubbs Institute and Department of Chemistry,Southern University of Science and Technology,Shenzhen,Guangdong,518055,China
2.Guangdong Provincial Key Laboratory of Catalysis,Southern University of Science and Technology,Shenzhen,Guangdong,518055,China
3.Institute of Innovative Materials,Southern University of Science and Technology,Shenzhen,Guangdong,518055,China

Memon，Waqar Ali,Deng，Zihao,He，Feng. Recent development in solid additives enables high-performance organic solar cells[J]. EnergyChem,2024,6(4).

Memon，Waqar Ali,Deng，Zihao,&He，Feng.(2024).Recent development in solid additives enables high-performance organic solar cells.EnergyChem,6(4).

Memon，Waqar Ali,et al."Recent development in solid additives enables high-performance organic solar cells".EnergyChem 6.4(2024).