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6 papers
Azetidinium Lead Iodide for Perovskite Solar Cells
Samuel R. Pering, Wentao Deng, Joel R. Troughton +9
Hybrid organic-inorganic perovskites have been established as good candidate materials for emerging photovoltaics, with device efficiencies of over 22 % being reported. There are c…
Dynamic disorder, phonon lifetimes, and the assignment of modes to the vibrational spectra of methylammonium lead halide perovskites
Aurélien M. A. Leguy, Alejandro R. Goñi, Jarvist M. Frost +11
We present Raman and terahertz absorbance spectra of methylammonium lead halide single crystals (MAPbX3, X = I, Br, Cl) at temperatures between 80 and 370 K. These results show goo…
Lattice dynamics and vibrational spectra of the orthorhombic, tetragonal and cubic phases of methylammonium lead iodide
Federico Brivio, Jarvist M. Frost, Jonathan M. Skelton +7
The hybrid halide perovskite CH3NH3PbI3 exhibits a complex structural behaviour, with successive transitions between orthorhombic, tetragonal and cubic polymorphs at ca. 165 K and…
Atomistic origins of high-performance in hybrid halide perovskite solar cells
Jarvist M. Frost, Keith T. Butler, Federico Brivio +3
The performance of organometallic perovskite solar cells has rapidly surpassed that of both conventional dye-sensitised and organic photovoltaics. High power conversion efficiency…
Relativistic quasiparticle self-consistent electronic structure of hybrid halide perovskite photovoltaic absorbers
Federico Brivio, Keith T. Butler, Aron Walsh +1
Solar cells based on a light absorbing layer of the organometal halide perovskite CHNHPbI have recently reached 15% conversion efficiency, though how these materials wo…
Structural and Electronic Properties of Hybrid Perovskites for High-Efficiency Thin-Film Photovoltaics from First-Principles
Federico Brivio, Alison B. Walker, Aron Walsh
The performance of perovskite solar cells recently exceeded 15% solar-to-electricity conversion efficiency for small-area devices. The fundamental properties of the active absorber…