The narrow and intense absorption spectra of organic materials open up the opportunity to
develop efficient organic photovoltaic devices that are qualitatively different from other …

The Urbach energy is an expression of the static and dynamic disorder in a semiconductor
and is directly accessible via optical characterization techniques. The strength of this metric …

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 …

The voltage loss, determined by the difference between the optical gap (Eg) and the open‐
circuit voltage (VOC), is one of the most important parameters determining the performance …

The field of organic electronics thrives on the hope of enabling low‐cost, solution‐processed
electronic devices with mechanical, optoelectronic, and chemical properties not available …

Organic solar cells demonstrate external quantum efficiencies and fill factors approaching
those of conventional photovoltaic technologies. However, as compared with the optical gap …

Organic solar cells (OSCs) have developed progressively in efficiency over the last two
decades. Though it is promising, this technology is still far from realizing its full prospect …

Solar cells based on organometallic halide perovskite absorber layers are emerging as a
high-performance photovoltaic technology. Using highly sensitive photothermal deflection …

The high voltage losses (V loss), originating from inevitable electron-phonon coupling in
organic materials, limit the power conversion efficiency of organic solar cells to lower values …

The maximum open-circuit voltage of a solar cell can be evaluated in terms of its ability to
emit light. We herein verify the reciprocity relation between the electroluminescence …