Abstract
In recent years, the progress of polymer solar cells (PSCs) has been greatly improved, with power conversion efficiencies (PCEs) exceeding 19%. In addition to major breakthroughs in the development of p-type and n-type materials, device engineering related to active layer morphology control plays a key role in improving efficiency. External treatments such as additives, thermal/solvent annealing, and interlayer modification are widely used to manipulate donor-acceptor bulk heterojunction (BHJ) layers. Volatile and non-volatile additives are considered to be a simple, efficient and effective method to control the morphology of active layers during spin-coating film-forming process. This review will summarize common and successful additives for fullerene and non-fullerene based PSCs.
Original language | English |
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Article number | 404 |
Journal | Journal of Polymer Research |
Volume | 30 |
Issue number | 11 |
DOIs | |
State | Published - Nov 2023 |
Keywords
- Additives
- Fullerene acceptors
- Morphological stability
- Non-fullerene acceptors
- Non-volatile additive
- Polymer solar cells
- Volatile additive