The bulk-heterojunction blend of an electron donor and an electron acceptor material is the
key component in a solution-processed organic photovoltaic device. In the past decades, a p …

Flexible perovskite solar cells have attracted widespread research effort because of their
potential in portable electronics. The efficiency has exceeded 18% owing to the high‐quality …

Incorporating solvent additives in donor and acceptor solutions is an effective strategy for
achieving efficient organic solar cells. As the state-of-the-art photovoltaic materials have …

The past two decades of vigorous interdisciplinary approaches has seen tremendous
breakthroughs in both scientific and technological developments of bulk‐heterojunction …

The status of understanding of the operation of bulk heterojunction (BHJ) solar cells is
reviewed. Because the carrier photoexcitation recombination lengths are typically 10 nm in …

With the hope of solving the present energy crisis and associated environmental issues,
much research has been focused on solar cells that can harvest energy directly from …

A high quality thick (500 nm) CH3NH3PbI3 perovskite absorber with a horizontal grain size
up to 3 μm and a lateral size equal to the film thickness was prepared by the synergistic …

Over the last 5 years, research on the synthesis, device engineering, and device physics of
solution‐processed small molecule solar cells (SMSCs) has rapidly expanded …

The inverted perovskite solar cell fabricated using a two-step method exhibited the highest
FF of 0.85 and good efficiency of 18% based on CH3NH3PbI3. A small amount of H2O was …

Organic–inorganic halide perovskite solar cells have recently attracted much attention due
to their low-cost fabrication, flexibility, and high efficiency. The power conversion efficiency …