The development of organic semiconductors for photovoltaic devices, over the last three
decades, has led to unexpected performance for an alternative choice of materials to convert …

It is clear that the current energy regimen, which relies on nonrenewable and polluting
energy sources, has unsustainable consequences for societal, economical, geopolitical, and …

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 …

Solar cells based on organometal halide perovskites have seen rapidly increasing
efficiencies, now exceeding 15%. Despite this progress, there is still limited knowledge on …

With near unity quantum efficiency and operational stability surpassing 250 days in outdoor
conditions, aluminum‐doped SrTiO3 (Al: SrTiO3) with tailored cocatalysts is one of the …

Efficient solar cells have been obtained using thin films of solution-processed organic–
inorganic perovskites. However, there remains limited knowledge about the relationship …

To increase the efficiency of bulk heterojunction (BHJ) solar cells beyond 15%, 300 nm thick
devices with 0.8 fill factor (FF) and external quantum efficiency (EQE)> 90% are likely …

Charge generation in organic solar cells is a fundamental yet heavily debated issue. This
article gives a balanced review of different mechanisms proposed to explain efficient charge …

In photovoltaic devices, the photo-generated charge carriers are typically assumed to be in
thermal equilibrium with the lattice. In conventional materials, this assumption is …

To avoid surface recombination at the contacts and ensure efficient charge collection and
high open-circuit voltages (V OC) in organic bulk heterojunction and perovskite solar cells …