The performance of organic solar cells is highly dependent on film morphology. However,
directly correlating local film structures with device performance remains challenging. We …

Blends of conjugated polymers with fullerenes, polymers, or nanocrystals make promising
materials for low-cost photovoltaic applications. Different processing conditions affect the …

Organic semiconductors are an alternative to inorganic materials in solar cell applications.
While the efficiencies of organic photovoltaics (OPVs) have been improving rapidly, they are …

We study surface photovoltage decays on sub-millisecond time scales in organic solar cells
using intensity-modulated scanning Kelvin probe microscopy (SKPM). Using …

Polymer blends in nanoparticles have been studied by transmission electron microscopy
(TEM) and photoluminescence (PL) spectroscopy. The TEM studies show that blend …

Optical microscopy with nanoscale resolution, beyond that which is possible with
conventional diffraction–limited microscopy, may be achieved by scanning a nanoantenna …

Photogenerated charge transport in bulk heterojunction (BHJ) solar cells is strongly
dependent on the active layer nanomorphology resulting from phase segregation. Here, we …

Highlights•Recent developments of nonfullerene acceptors revolutionised organic
photovoltaics.•Mixing nonfullerene and fullerene acceptors boosts efficiency in ternary …

State‐of‐the‐art organic bulk heterojunction (BH) solar cells, also called excitonic solar
cells, are based on intimate mixtures of donor and acceptor organic materials of which the …

Organic solar cells hold promise as an economical means of harvesting solar energy due to
their ease of production and processing. However, the efficiency of such organic …