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 field of organic photovoltaics has developed rapidly over the last 2 decades, and small
solar cells with power conversion efficiencies of 13% have been demonstrated. Light …

Bulk-heterojunction organic photovoltaic devices with nonfullerene acceptors (NFAs) exhibit
efficient hole transfer with small interfacial energy offset, which results in power conversion …

Optoelectronic synapses can perceive and memorize visual information, making them
appealing for future bionic eyes or vision automation. Organic field-effect transistors are a …

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 …

A crucial issue facing polymer-based solar cells is how to manage the energetics of the
polymer/fullerene blends to maximize short-circuit current density and open-circuit voltage at …

Singlet exciton diffusion plays a central role in the photovoltaic conversion in organic
photovoltaics (OPVs). Upon light absorption, singlet excitons are promptly generated in …

The ferroelectric-photovoltaic (FE-PV) device, in which a homogeneous ferroelectric material
is used as a light absorbing layer, has been investigated during the past several decades …

Blends of conjugated polymers and fullerene derivatives are prototype systems for organic
photovoltaic devices. The primary charge-generation mechanism involves a light-induced …

Transient absorption spectroscopy (TAS) is a time‐resolved spectroscopic technique that
can quantitatively observe temporal changes in the absorption spectrum associated with …