Volatile and non-volatile additives for Polymer Solar cells from Fullerene to non-fullerene systems

Chia Lin Tsai, Kai En Hung, Han Cheng Lu, Chi Chun Tseng, Fong Yi Cao, Yen Ju Cheng*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

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 languageEnglish
Article number404
JournalJournal of Polymer Research
Volume30
Issue number11
DOIs
StatePublished - Nov 2023

Keywords

  • Additives
  • Fullerene acceptors
  • Morphological stability
  • Non-fullerene acceptors
  • Non-volatile additive
  • Polymer solar cells
  • Volatile additive

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