![]() Relevant synthetic strategies to narrow the band gap of organic semiconducting molecules are outlined, and recent developments in the polymer donor and near-infrared absorbing acceptor materials are discussed. In this review, the current state of materials science and the device physics of semitrans-parent organic solar cells is summarized. ![]() The developed low-cost approach paves the way toward highly efficient and stable solution-processable solar cells. The best conditions optimization resulted in an efficiency improvement from 6% up to 7.5%, which correlated with numerical simulations of nanoparticles’ optical properties. We tested how the nanoparticles’ position in the device, their concentration, silicon doping, and method of deposition affected the final device efficiency. ![]() ![]() Namely, we created colloidal solutions of spherical nanoparticles with a range of diameters (80–240 nm) in different solvents. Here, we employed optically resonant silicon nanoparticles produced by laser ablation for boosting the power conversion efficiency of organic solar cells. For example, strong light localization at the nanoscale and lack of parasitic losses in infrared and visible spectral ranges make resonant silicon nanoparticles a prospect for improvement in such rapidly developing fields as photovoltaics. Silicon nanophotonics has become a versatile platform for optics and optoelectronics. ![]()
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