I. Guilhon

collaborators

2 papers

cond-mat.mtrl-sci2020

Efficient Calculation of Excitonic Effects in Solids Including Approximated Quasiparticle Energies

Filipe Matusalem, Marcelo Marques, Ivan Guilhon +1

In this work we present a new procedure to compute optical spectra including excitonic effects and approximated quasiparticle corrections with reduced computational effort. The exc…

physics.chem-ph2018

Thermodynamic Stability and Structural Insights for CH $_{3}$ NH $_{3}$ Pb $_{1 - x}$ Si $_{x}$ I $_{3}$ , CH $_{3}$ NH $_{3}$ Pb $_{1 - x}$ Ge $_{x}$ I $_{3}$ , and CH $_{3}$ NH $_{3}$ Pb $_{1 - x}$ Sn $_{x}$ I $_{3}$ Hybrid Perovskite Alloys: A Statistical Approach from First Principles Calculations

Diego Guedes-Sobrinho, Ivan Guilhon, Marcelo Marques +1

The recent reaching of 20% of conversion efficiency by solar cells based on metal hybrid perovskites (MHP), e.g., the methylammonium (MA) lead iodide, CH3NH3PbI3 (MAPbI3), has exci…

Efficient Calculation of Excitonic Effects in Solids Including Approximated Quasiparticle Energies

Thermodynamic Stability and Structural Insights for CH3​NH3​Pb1−x​Six​I3​, CH3​NH3​Pb1−x​Gex​I3​, and CH3​NH3​Pb1−x​Snx​I3​ Hybrid Perovskite Alloys: A Statistical Approach from First Principles Calculations