Impact of the valence band energy alignment at the hole-collecting interface on the photostability of wide band-gap perovskite solar cells
This work discusses the need to enhance charge carrier collection to minimize halide
segregation in wide band-gap (WBG) perovskites. Here, we systematically elucidate the …
segregation in wide band-gap (WBG) perovskites. Here, we systematically elucidate the …
Temperature‐dependent reversal of phase segregation in mixed‐halide perovskites
Understanding the mechanism of light‐induced halide segregation in mixed‐halide
perovskites is essential for their application in multijunction solar cells. Here …
perovskites is essential for their application in multijunction solar cells. Here …
How Photogenerated I2 Induces I‐Rich Phase Formation in Lead Mixed Halide Perovskites
Bandgap tunability of lead mixed halide perovskites (LMHPs) is a crucial characteristic for
versatile optoelectronic applications. Nevertheless, LMHPs show the formation of iodide …
versatile optoelectronic applications. Nevertheless, LMHPs show the formation of iodide …
The promise of metal-halide-perovskite solar photovoltaics: A brief review
NP Padture - MRS Bulletin, 2023 - Springer
Solar photovoltaics (PVs) based on metal-halide perovskites (MHPs) have taken the
renewable-energy world by storm. The excitement stems from the promise of a high …
renewable-energy world by storm. The excitement stems from the promise of a high …
Phase segregation and sequential expulsion of iodide and bromide in photoirradiated Ruddlesden–Popper 2D perovskite films
Two-dimensional (2D) Ruddlesden–Popper mixed-halide perovskite films, BA2PbBr2I2,
undergo phase segregation when excited with visible light to generate bromide-and iodide …
undergo phase segregation when excited with visible light to generate bromide-and iodide …
Modeling the Photoelectrochemical Evolution of Lead-Based, Mixed-Halide Perovskites Due to Photosegregation
Lead-based, mixed-halide perovskites such as methylammonium lead iodide-bromide
[MAPb (I1–x Br x) 3] undergo anion photosegregation under illumination. This is observed …
[MAPb (I1–x Br x) 3] undergo anion photosegregation under illumination. This is observed …
Physics-driven discovery and bandgap engineering of hybrid perovskites
The unique aspect of hybrid perovskites is their tunability, allowing the engineering of the
bandgap via substitution. From the application viewpoint, this allows creation of tandem cells …
bandgap via substitution. From the application viewpoint, this allows creation of tandem cells …
Excitation Intensity- and Size-Dependent Halide Photosegregation in CsPb(I0.5Br0.5)3 Perovskite Nanocrystals
Although broad consensus exists that photoirradiation of mixed-halide lead perovskites
leads to anion segregation, no model today fully rationalizes all aspects of this near …
leads to anion segregation, no model today fully rationalizes all aspects of this near …
Defects in lead halide perovskite light-emitting diodes under electric field: from behavior to passivation strategies
Lead halide perovskites (LHPs) are emerging semiconductor materials for light-emitting
diodes (LEDs) owing to their unique structure and superior optoelectronic properties …
diodes (LEDs) owing to their unique structure and superior optoelectronic properties …
Thermodynamic band gap model for photoinduced phase segregation in mixed-halide perovskites
Provided is a comprehensive description of a band gap thermodynamic model, which
predicts and explains key features of photosegregation in lead-based, mixed-halide …
predicts and explains key features of photosegregation in lead-based, mixed-halide …