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 …

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 …

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

Polymerization of monomers into periodic two-dimensional networks provides structurally
precise, layered macromolecular sheets that exhibit desirable mechanical, optoelectronic …

Recent advances and the current status of challenging light-harvesting nanomaterials, such
as semiconducting quantum dots (QDs), metal nanoparticles, semiconductor–metal …

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

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

To optimize the optical and optoelectronic functionalities of two-dimensional (2D) covalent
organic frameworks (COFs), detailed properties of emissive and nonradiative pathways after …

Efficient exciton transport is crucial to the application of organic semiconductors (OSCs) in
light-harvesting devices. While the physics of exciton transport in highly disordered media is …

Polymer/polymer blend solar cells based on a blend of two types of conjugated polymers
acting as an electron donor (hole transport) and acceptor (electron transport) have recently …