Recent Advances in n-Type Polymers for All-Polymer Solar Cells

Zewdneh Genene, Wendimagegn Mammo, Ergang Wang, Mats R. Andersson

Research output: Contribution to journalReview articlepeer-review

166 Citations (Scopus)


All-polymer solar cells (all-PSCs) based on n- and p-type polymers have emerged as promising alternatives to fullerene-based solar cells due to their unique advantages such as good chemical and electronic adjustability, and better thermal and photochemical stabilities. Rapid advances have been made in the development of n-type polymers consisting of various electron acceptor units for all-PSCs. So far, more than 200 n-type polymer acceptors have been reported. In the last seven years, the power conversion efficiency (PCE) of all-PSCs rapidly increased and has now surpassed 10%, meaning they are approaching the performance of state-of-the-art solar cells using fullerene derivatives as acceptors. This review discusses the design criteria, synthesis, and structure–property relationships of n-type polymers that have been used in all-PSCs. Additionally, it highlights the recent progress toward photovoltaic performance enhancement of binary, ternary, and tandem all-PSCs. Finally, the challenges and prospects for further development of all-PSCs are briefly considered.

Original languageEnglish
Article number1807275
JournalAdvanced Materials
Issue number22
Publication statusPublished - 29 May 2019
Externally publishedYes


  • donor–acceptor polymers
  • n-type polymers
  • polymer acceptors
  • polymer solar cells
  • power conversion efficiency


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