Organic photovoltaics (OPV) have the advantage of possible fabrication by energy‐efficient
and cost‐effective deposition methods, such as solution processing. Solvent additives can …

The past two decades of vigorous interdisciplinary approaches has seen tremendous
breakthroughs in both scientific and technological developments of bulk‐heterojunction …

Reducing energy and voltage loss is an imperative area of improvement for the design of
organic solar cells (OSCs). Both in the context of charge generation and charge …

The status of understanding of the operation of bulk heterojunction (BHJ) solar cells is
reviewed. Because the carrier photoexcitation recombination lengths are typically 10 nm in …

With the hope of solving the present energy crisis and associated environmental issues,
much research has been focused on solar cells that can harvest energy directly from …

A long standing question in organic electronics concerns the effects of molecular orientation
at donor/acceptor heterojunctions. Given a well-controlled donor/acceptor bilayer system …

High-performance polymer donors are highly demanded to fulfil the potential of layer-by-
layer (LBL) processed organic solar cells (OSCs). In this study, we present an effective …

In the last ten years, the highest efficiency obtained from organic photovoltaics (OPVs), such
as bulk heterojunction polymer: fullerene solar cells, has risen from 2.5 to 11%. This rapid …

Conjugated polymers have evolved significantly in the past decade and have proven to be
more than poorly conducting plastics. Instead, improved understanding has resulted in …

We review the morphologies of polymer‐based solar cells and the parameters that govern
the evolution of the morphologies and describe different approaches to achieve the optimum …