Progress in non-fullerene acceptor based organic solar cells

Leiping Duan, Naveen Kumar Elumalai, Yu Zhang, Ashraf Uddin

Research output: Contribution to journalReview articlepeer-review


Organic solar cells (OSCs) based on fullerene acceptors demonstrated significant growth over the past two decades with power conversion efficiencies (PCE) exceeding 13%. However, the advent of non-fullerene (NF) acceptors with superior optoelectronic properties, tunable morphology, and absorption characteristics, have resulted in a scenario where the NF OSCs have demonstrated higher PCE of over 14% in single junction and over 17% in tandem OSCs incorporating NF OSCs which is relatively higher than conventional fullerene-based counterparts. In this review, recent progress and advancements made in the field of NF OSCs is discussed and its photovoltaic device performance ranging across several donor: acceptor (D/A) combinations is elaborated. The advantages of each NF materials in conjunction with the donor molecules is deliberated in the context of D/A blends correlating it to device performance. In addition, the challenges in the development and application of NF OSCs are also discussed, providing an overview for future developments.
Original languageEnglish
Pages (from-to)22-65
Number of pages44
JournalSolar Energy Materials and Solar Cells
Publication statusPublished - 2019
Externally publishedYes


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