activity
20122026
most citedThe role of lattice mismatch on the emergence of surface states in 2D hybrid perovskite quantum wells

134 citations · 390 across the 15 of their papers we have counts for

collaborators

15 papers

physics.chem-ph2026

Fast and accurate simulation of Raman spectra of gold-organic systems

Auguste Tetenoire, Vijaya Raghavan Kannan, Mikaël Kepenekian +1

Resolving the spectral Raman signature of molecules grafted on a metallic support is often a difficult task, in which quantum chemistry methods allow for precious additional ration…

cond-mat.mtrl-sci2025

Computational Screening and Discovery of Silver-Indium Halide Double Salts

Christos Tyrpenou, G. Krishnamurthy Grandhi, Paola Vivo +2

Perovskite-inspired materials have emerged as promising candidates for both outdoor and indoor photovoltaic applications owing to their favorable optoelectronic properties and redu…

cond-mat.mtrl-sci2025

Flexible and Efficient Semi-Empirical DFTB Parameters for Electronic Structure Prediction of 3D, 2D Iodide Perovskites and Heterostructures

Junke Jiang, Tammo van der Heide, Simon Thébaud +11

Density Functional Tight-Binding (DFTB), an approximative approach derived from Density Functional Theory (DFT), has the potential to pave the way for simulations of large periodic…

cond-mat.mtrl-sci2025★ 21 cited

Three-Dimensional to Layered Halide Perovskites: A Parameter-Free Hybrid Functional Method for Predicting Electronic Band Gaps

Ibrahim Buba Garba, Lorenzo Trombini, Claudine Katan +4

Accurate prediction of electronic band gaps in halide perovskites using density functional theory is crucial for optoelectronic applications. Standard hybrid functionals like HSE a…

cond-mat.mtrl-sci2024★ 13 cited

Intrinsic Limits of Charge Carrier Mobilities in Layered Halide Perovskites

Bruno Cucco, Joshua Leveillee, Viet-Anh Ha +4

Layered halide perovskites have emerged as potential alternatives to three-dimensional halide perovskites due to their improved stability and larger material phase space, allowing…

cond-mat.mtrl-sci2022★ 37 cited

Fine Structure of Excitons in Vacancy Ordered Halide Double Perovskites

Bruno Cucco, Claudine Katan, Jacky Even +2

Vacancy ordered halide double perovskites (VODP) have been widely explored throughout the past few years as promising lead-free alternatives for optoelectronic applications. Yet, t…

cond-mat.mtrl-sci2021★ 64 cited

Electronic Structure and Stability of CsTiX and CsZrX (XBr,I) Vacancy Ordered Double Perovskites

B. Cucco, G. Bouder, L. Pedesseau +4

Vacancy ordered halide perovskites have been extensively investigated as promising lead-free alternatives to halide perovskites for various opto-electronic applications. Among thes…

cond-mat.mes-hall2019★ 49 cited

Phase Transition Induced Carrier Mass Enhancement in 2D Ruddlesden-Popper Perovskites

Michal Baranowski, Szymon J. Zelewski, Mikael Kepenekian +10

There is a variety of possible ways to tune the optical properties of 2D perovskites, though the mutual dependence between different tuning parameters hinders our fundamental under…

cond-mat.mtrl-sci2019★ 8 cited

Electronic properties of Pb-I deficient lead halide perovskites

Chao Zheng, Oleg Rubel, Mikaël Kepenekian +2

The electronic structure evolution of deficient halide perovskites with a general formula was investigated using the density functional theory. The foc…

cond-mat.mtrl-sci2018★ 134 cited

The role of lattice mismatch on the emergence of surface states in 2D hybrid perovskite quantum wells

M. Kepenekian, B. Traore, J. -C. Blancon +9

Surface states are ubiquitous to semiconductors and significantly impact the physical properties and consequently the performance of optoelectronic devices. Moreover, surface effec…

cond-mat.mtrl-sci2017★ 5 cited

Unusual thickness dependence of exciton characteristics in 2D perovskite quantum wells

J. -C. Blancon, A. V. Stier, H. Tsai +12

Understanding the nature and energy distribution of optical resonances is of central importance in low-dimensional materials and its knowledge is critical for designing eff…

cond-mat.mtrl-sci2015★ 2 cited

Computational design of high performance hybrid perovskite on silicon tandem solar cells

A. Rolland, L. Pedesseau, A. Beck +7

In this study, the optoelectronic properties of a monolithically integrated series-connected tandem solar cell are simulated. Following the large success of hybrid organic-inorgani…

cond-mat.mtrl-sci2014★ 11 cited

Spin transport in dangling-bond wires on doped H-passivated Si(100)

Mikaël Kepenekian, Roberto Robles, Riccardo Rurali +1

New advances in single-atom manipulation are leading to the creation of atomic structures on H passivated Si surfaces with functionalities important for the development of atomic a…

cond-mat.mtrl-sci2012★ 20 cited

Elastic transport through dangling-bond silicon wires on H passivated Si(100)

Mikaël Kepenekian, Frederico D. Novaes, Roberto Robles +4

We evaluate the electron transmission through a dangling-bond wire on Si(100)-H (2x1). Finite wires are modelled by decoupling semi-infinite Si electrodes from the dangling-bond wi…

cond-mat.mtrl-sci2012★ 26 cited

Energetics and stability of dangling-bond silicon wires on H passivated Si(100)

Roberto Robles, Mikaël Kepenekian, Serge Monturet +2

We evaluate the electronic, geometric and energetic properties of quasi 1-D wires formed by dangling bonds on Si(100)-H (2 x 1). The calculations are performed with density functio…