5 papers
An ab initio approach to energy alignment and charge-state prediction of adsorbates on ultrathin insulators
Kevin Lizárraga, Saba Taherpour, Cesar E. P. Villegas +1
The rapid progress of electron spin resonance scanning tunneling microscopy experiments has enabled the manipulation of individual adsorbate spin states physisorbed on ultrathin ox…
Exciton dynamics and high-temperature excitonic superfluidity in S-doped graphyne
Enesio Marinho, Alexandre C. Dias, Luiz A. Ribeiro +2
S-doped graphyne (S-GY) is a recently synthesized two-dimensional graphyne-based carbon allotrope that provides a promising platform for exciton engineering and coherent many-body…
Tunable Interlayer Excitons in Bilayer Graphene Nanoribbons
Alexandre R. Rocha, Rodrigo G. Amorim, Wanderlã L. Scopel +1
Vertically stacked van der Waals structures are promising platforms that enable layer engineering, opening new avenues for the quantum control of elementary excitations, including…
Determining Exciton Binding Energy and Reduced Effective Mass in Metal Tri-Halide Perovskites from Optical and Impedance Spectroscopy Measurements
K. Lizárraga, J. A. Guerra, L. A. Enrique-Moran +5
Accurate determination of the exciton binding energy and reduced effective mass in halide perovskites is of utmost importance for the selective design of optoelectronic devices. Al…
Optical properties of TiS as a novel thin film for single-junction and tandem solar cells
Cesar E. P. Villegas, Enesio Marinho, A. C. Dias +2
Sub-micrometer thin films are promising platforms for emerging flexible photovoltaic devices. Although the current market already produces efficient solar cells, the average wafer…