Organic photovoltaics (OPVs) have progressed steadily through three stages of photoactive
materials development:(i) use of poly (3-hexylthiophene) and fullerene-based acceptors …

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 …

Non-fullerene acceptors (NFAs) based on non-fused conjugated structures have more
potential to realize low-cost organic photovoltaic (OPV) cells. However, their power …

Abstract Near‐infrared (NIR)‐absorbing organic semiconductors have opened up many
exciting opportunities for organic photovoltaic (OPV) research. For example, new …

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 …

Typical organic photovoltaic materials show high Urbach energies (ca. 25–50 meV), which
is considerably higher than those of their inorganic counterparts and limits further …

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

With the development of non-fullerene acceptors (NFAs), the power conversion efficiency
(PCE) of organic solar cells (OSCs) has been continuously improved and has exceeded …

To modulate the miscibility between donor and acceptor materials both possessing fully non‐
fused ring structures, a series of electron acceptors (A4T‐16, A4T‐31 and A4T‐32) with …