1. INTRODUCTION An important topic in materials science in the past few decades has
been the development of organic semiconductors and their broad applications in electronics …

After the first report in 2008, diketopyrrolopyrrole (DPP)‐based small‐molecule photovoltaic
materials have been intensively explored. The power conversion efficiencies (PCEs) for the …

A–D–A small molecules have drawn more and more attention in solution-processed organic
solar cells due to the advantages of a diversity of structures, easy control of energy levels …

Three acceptor-donor-acceptor (ADA)-type small donor molecules (M1, M2 and M3) were
evaluated for optoelectronic properties through density functional theory calculations. These …

Open-circuit voltage (Voc), as a key parameter, plays an important role in determining power
conversion efficiency (PCE) of organic solar cells (OSCs). With the rapid development in …

Geometrical parameters, electronic structures and photophysical properties of three new
triphenylamine (TPA) and diphenylamine (DPA) based electron donor materials M1 M3 (for …

Three isomeric π-conjugated molecules based on diketopyrrolopyrrole and bithiophene
(DPP2T) substituted with hexyl side chains in different positions are investigated for use in …

Two new high-performance DPP-containing donor molecules employing a molecular
architecture with three DPP chromorphores (tri-DPP) in conjugated backbones are …

The morphology of the active layer in organic photovoltaics is critical in the optimization of
device efficiencies. Most strategies aimed at improving morphology are focused mainly on …

Abstract Four Donor–Acceptor–Donor (D–A–D) type of donor molecules (M1‐M4) with
triphenylamine (TPA) as donor moiety, thiophene as bridge, and thiazolothiazole as …