Following the development of the bulk heterojunction 1 structure, recent years have seen a
dramatic improvement in the efficiency of polymer solar cells. Maximizing the open-circuit …

Advancing perovskite solar cell technologies toward their theoretical power conversion
efficiency (PCE) requires delicate control over the carrier dynamics throughout the entire device. …

Recent progress in the development of polymer solar cells has improved power-conversion
efficiencies from 3% to almost 9%. Based on semiconducting polymers, these solar cells are …

The outbreak of the 2019-nCoV infection began in December 2019 in Wuhan, Hubei province,
and rapidly spread to many provinces in China as well as other countries. Here we report …

High‐performance inverted solar cells using various low‐bandgap polymers are achieved
by using excellent metal oxide nanoparticles including ZnO and TiO2:Cs nanoparticles as an …

Converting solar energy into electricity provides a much-needed solution to the energy crisis
the world is facing today. Polymer solar cells have shown potential to harness solar energy …

Photodetectors capture optical signals with a wide range of incident photon flux density and
convert them to electrical signals instantaneously. They have many important applications …

Broadening the absorption bandwidth of polymer solar cells by incorporating multiple absorber
donors into the bulk-heterojunction active layer is an attractive means of resolving the …

Background The initial cases of novel coronavirus (2019-nCoV)–infected pneumonia (NCIP)
occurred in Wuhan, Hubei Province, China, in December 2019 and January 2020. We …

Lead halide perovskite solar cells have recently attracted tremendous attention because of
their excellent photovoltaic efficiencies. However, the poor stability of both the perovskite …