The exciton, an excited electron–hole pair bound by Coulomb attraction, plays a key role in
photophysics of organic molecules and drives practically important phenomena such as …

The development of organic semiconductors for photovoltaic devices, over the last three
decades, has led to unexpected performance for an alternative choice of materials to convert …

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 purpose of this review is to provide a basic physical description of the exciton diffusion
in organic semiconductors. Furthermore, experimental methods that are used to measure …

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 …

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

Electrons are the workhorses of solar energy conversion. Conversion of the energy of light to
electricity in photovoltaics, or to energy-rich molecules (solar fuel) through photocatalytic …

Organic photovoltaic (OPV) technology has been developed and improved from a fancy
concept with less than 1% power conversion efficiency (PCE) to over 10% PCE, particularly …

During the last years the performance of bulk heterojunction solar cells has been improved
significantly. For a large-scale application of this technology further improvements are …

Solution deposited bulk heterojunction organic solar cells are viewed as one of the most
promising alternative energy sources because of their ease of processing and their potential …