Fused-ring electron acceptors (FREAs) have a donor–acceptor–donor structure comprising
an electron-donating fused-ring core, electron-accepting end groups, π-bridges and side …

During past several years, the photovoltaic performances of organic solar cells (OSCs) have
achieved rapid progress with power conversion efficiencies (PCEs) over 18 …

As an economical solar energy conversion technology, organic photovoltaics (OPVs) are
regarded as a promising solution to environmental problems and energy challenges. With …

Conspectus Emerging solar cells that convert clean and renewable solar energy to
electricity, such as organic solar cells (OSCs) and perovskite solar cells (PSCs), have …

Thanks to their broad absorption spectra, easily modifiable molecular energy levels and
chemical structures, nonfullerene small-molecule acceptors (SMAs) have attracted …

Recently, non-fullerene n-type organic semiconductors have attracted significant attention
as acceptors in organic photovoltaics (OPVs) due to their great potential to realize high …

Non-fullerene acceptors (NFAs) are currently a major focus of research in the development
of bulk-heterojunction organic solar cells (OSCs). In contrast to the widely used fullerene …

The last two years have witnessed rapid progress in organic solar cells (OSCs), driven by
the newly-developed nonfullerene acceptor (NFA) Y6, which contains an electron-deficient …

Non-fullerene fused-ring electron acceptors boost the power conversion efficiency of organic
solar cells, but they suffer from high synthetic cost and low yield. Here, we show a series of …

Over the past few years, non‐fullerene organic solar cells have been a focus of research
and their power conversion efficiencies have been improved dramatically from about 6% to …