The power conversion efficiencies (PCEs) of single‐junction organic solar cells (OSC) have
now reached over 18%. This rapid recent progress can be attributed to the development of …

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 …

Solution processed organic solar cells (OSCs) composed of all small molecules (ASM) are
promising for production on an industrial scale owing to the properties of small molecules …

Interfaces between organic electron-donating (D) and electron-accepting (A) materials have
the ability to generate charge carriers on illumination. Efficient organic solar cells require a …

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 …

Three structurally identical polymers, except for the number of fluorine substitutions (0, 1, or
2) on the repeat unit (BnDT-DTBT), are investigated in detail, to further understand the …

In this report, we demonstrate that parasitic leakage currents dominate the current voltage
characteristics of organic solar cells measured under illumination intensities less than one …

Inspired by the high photoconversion efficiency observed in natural light-harvesting systems,
the hierarchical organization of molecular building blocks has gained impetus in the past …

Develo** novel materials and device architectures to further enhance the efficiency of
polymer solar cells requires a fundamental understanding of the impact of chemical …

The recombination of electrons and holes is a major loss mechanism in photovoltaic devices
that controls their performance. We review scientific literature on bimolecular recombination …