Metal Halide - Europe PMC

How Hole Injection Accelerates Both Ion Migration and Nonradiative Recombination in Metal Halide Perovskites.

Migration is accelerated by the hole injection, which has reduced the diffusion barrier and shorterening the migration duration. The onset of the soft perovskite lattice and response of the maximum in the valence band's maximum to the hole-induced Pb-I lattice distortion. This research provides significant insight into the effect of ion mobility and hole injection on the performance of perovskite solar cells, as well as the fact that a large number of holes should be avoided.

Source link: https://europepmc.org/article/MED/35362968

Collective Motion Improves the Stability and Charge Carrier Lifetime of Metal Halide Perovskites: A Phonon-Resolved Nonadiabatic Molecular Dynamics Study.

For the first time, we show clearly that collective movement between the Cs atom and inorganic octahedra helps to avoid nonradiative erosion of negative and positive charges by implementing a novel algorithm that acknowledges the limitations of such normal modes of interest and using nonadiabatic molecular dynamics for the CsPbr 3.

Source link: https://europepmc.org/article/MED/35348332

Metal Halide Perovskite-Based Heterojunction Photocatalysts.

Metal halide perovskites have become a popular feature of photocatalysis research thanks to their unique photophysical properties and strong ability to use solar energy. However, single MHP photocatalysts' effect is rather poor, although single MHP photocatalysts' efficiency is rather poor. Several scientific advances have been made in the development of MHP-based heterojunction photocatalysts, including Schottky, type-III, and Z-scheme heterojunctions, among other scientific advances.

Source link: https://europepmc.org/article/MED/35347831

Are Metal Halide Perovskite Solar Cells Ready for Space Applications?

Photovoltaic technology has exhibited the popularity of metal halide perovskite solar cells. The PSCs also have the most precise power for lightweight solar cell devices, demonstrating outstanding promise in space applications due to the superb optical and electrical performance, as well as their flexibility with movable substrates. Key challenges facing PSC technology in the development of future space applications are highlighted. This Perspective discusses the possibility of PSCs as the next frontier in space PV technology.

Source link: https://europepmc.org/article/MED/35333532

Free-Standing Metal Halide Perovskite Nanowire Arrays with Blue-Green Heterostructures.

Vertically aligned metal halide nanowires are being designed for various optoelectronic applications, which can be further enhanced by heterostructures. However, current approaches to obtain free-standing vertically aligned MHP nanowire arrays and heterostructures lack the scalability required for applications. To produce free-standing vertically aligned CsPbBr 3 nanowires made from anodized aluminum oxide templates, we use a low-temperature conversion process. In an anion exchange process, we demonstrate blue-green heterostructured nanowire arrays by converting the free-standing portion of the nanowires to CsPbCl 1. 1 Br 1. 9.

Source link: https://europepmc.org/article/MED/35325539

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