Scientists in China built a four-terminal perovskite-CIGS tandem solar cell based on a top semi-transparent perovskite device with an efficiency of 21.26% and a high bifaciality factor of 92.2%. They ...

a sublimation printer is used to print onto coated, heat-resistant paper the paper is then placed on top of the polymer and heated, using a heat press, to around 180 to 200°C once hot ...

Organic HTLs are widely reported in PSCs literature which can be divided into two parts: 1) Small molecules and 2) Polymers. Spiro-OMeTAD and several of its derivatives are most common of them. The ...

Sublimation of the frozen solvent forms the highly porous structure of the scaffolds ... The FT-IR spectrum of the blend scaffolds shows the characteristic bands of the parent molecules. No additional ...