Current solar cell technology is based in the photovoltaic effect occurring in semiconductor materials. It is well-known that the conversion efficiency of these types of solar cells is theoretically limited as first noted by Shockley and Queisser (S&Q): a crystalline silicon device is limited to a conversion efficiency of 33.7 %. The theoretical limit of an infinite multi-junction cell is 86 %....

III–V/Si multi-junction solar cells are potential successors to the silicon single-junction cell due their efficiency of up 40% in radiative limit.[1] Herein, latest results epitaxially integrated GaInP/GaAs/Si triple-junction presented. To reduce parasitic absorption losses, which have limited current density Si bottom previous devices, transparent AlxGa1–xAsyP1–y step-graded metamorphic buffe...

In this work we report on a procedure to increase the reproducibility of multi-junction solar cell growth. This is achieved by applying systematic offset room-temperature photoluminescence measurement match required band gap for obtaining current as simulated optical modelling. We found that difference in extracted from and external quantum efficiency respectively depends material system under ...

Despite the impressive photovoltaic performances with power conversion efficiency beyond 22%, perovskite solar cells are poorly stable under operation, failing by far the market requirements. Various technological approaches have been proposed to overcome the instability problem, which, while delivering appreciable incremental improvements, are still far from a market-proof solution. Here we sh...

Perovskite solar cells (PSCs) are now one of the most promising due to advantages such as high-power conversion efficiency (PCE), low cost, and ease fabrication. Among PSCs, flexible perovskite (FPSCs) lightweight bendable, making them easier transport install than rigid hence can be used in wearable portable electronics, space energy systems, multifunctional integrated buildings, unmanned othe...

Perovskite/Organic Tandem Solar Cells In article number 2204347, Tingting Shi, Hin-Lap Yip, Man-Keung Fung, Yue-Min Xie, and co-workers aim to minimize the energy loss of perovskite/organic tandem solar cells (POTSCs) induced by compromised wide-bandgap perovskite sub-cells. An ionic liquid, methylammonium formate, is proposed engineer top bottom all-inorganic (CsPbI2Br) interfaces, which leads...

Electric vehicles (EVs) and photovoltaics (PVs) are new technologies that will play an important role in the transportation industry over next decade. Using solar panels on roofs of cars is one simplest ways to reduce fuel costs increase mobility electric vehicles. Solar can be charged anywhere under Sun without additional infrastructure, but problem size panel limited roof electricity conversi...