Modern optoelectronic devices, such as light-emitting diodes, field-effect transistors and
organic solar cells require well controlled motion of charges for their efficient operation. The …

Organic electrochemical transistors (OECTs) are highly versatile in terms of their form factor,
fabrication approach that can be applied, and freedom in the choice of substrate material …

A self-powered, solution-processed perovskite photodetector with sub-nanosecond
response time is presented. Eliminating charge trap** and removing the constraints from …

Layered perovskites have been shown to improve the stability of perovskite solar cells while
its operation mechanism remains unclear. Here we investigate the process for the …

For almost sixty years, solar energy for space applications has relied on inorganic
photovoltaics, evolving from solar cells made of single crystalline silicon to triple junctions …

Doped organic semiconductors typically exhibit a thermal activation of their electrical
conductivity, whose physical origin is still under scientific debate. In this study, we disclose …

Studying the microscopic behavior of free carriers in materials at an ultrashort time scale is
critical to develo** semiconductor, optoelectronic, and other technologies satisfying the …

Solar cells based on conjugated polymer and fullerene blends have been developed as a
low-cost alternative to silicon. For efficient solar cells, electron–hole pairs must separate into …

A significant challenge in the rational design of organic thermoelectric materials is to realize
simultaneously high electrical conductivity and high induced-voltage in response to a …

Semiconducting organic films that are at the heart of light-emitting diodes, solar cells and
transistors frequently contain a large number of morphological defects, most prominently at …