activity
20202025
most citedUnderstanding real-time time-dependent density-functional theory simulations of ultrafast laser-induced dynamics in organic molecules

47 citations · 208 across the 15 of their papers we have counts for

collaborators

16 papers

cond-mat.mes-hall2025

Electronic localization and optical activity of strain-engineered transition-metal dichalcogenide nanobubbles

Stefan Velja, Alexander Steinhoff, Jannis Krumland +2

Strain-engineered transition-metal dichalcogenide nanobubbles are promising platforms for quantum emission, as revealed by recent experimental observations. In this work, we presen…

cond-mat.mtrl-sci2024

Electronic properties of MoSe nanowrinkles

Stefan Velja, Jannis Krumland, Caterina Cocchi

Mechanical deformations, either spontaneously occurring during sample preparation or purposely induced in their nanoscale manipulation, drastically affect the electronic and optica…

cond-mat.mtrl-sci2023

Interlayer vibrational hybrid normal mode enabling molecular chiral phonons

Hanen Hamdi, Jannis Krumland, Ana M. Valencia +2

Organic/inorganic interfaces formed by monolayer substrates and conjugated molecular adsorbates are attractive material platforms leveraging the modularity of organic compounds tog…

cond-mat.mes-hall2023

Two-dimensional electronic spectroscopy from first principles

Jannis Krumland, Michele Guerrini, Antonietta De Sio +2

The recent development of multidimensional ultrafast spectroscopy techniques calls for the introduction of computational schemes that allow for the simulation of such experiments a…

cond-mat.mtrl-sci2023★ 7 cited

Vibronic Couplings and Temperature Effects in the Ultrafast Dynamics of a Charge-Transfer Complex

Matheus Jacobs, Jannis Krumland, Ana M. Valencia +1

The ultrafast dynamics of charge carriers in organic donor-acceptor interfaces are of primary importance to understanding the fundamental properties of these systems. In this work,…

cond-mat.mtrl-sci2023

Electronic structure of low-dimensional inorganic/organic interfaces: Hybrid density functional theory, , and electrostatic models

Jannis Krumland, Caterina Cocchi

First-principles simulations of electronic properties of hybrid inorganic/organic interfaces are challenging, as common density-functional theory (DFT) approximations target specif…

cond-mat.mtrl-sci2022★ 15 cited

Modeling the electronic structure of organic materials: A solid-state physicist's perspective

Caterina Cocchi, Michele Guerrini, Jannis Krumland +2

Modeling the electronic and optical properties of organic semiconductors remains a challenge for theory, despite the remarkable progress achieved in the last three decades. The com…

cond-mat.mtrl-sci2022★ 18 cited

Donors, Acceptors, and a Bit of Aromatics: Electronic Interactions of Molecular Adsorbates on hBN and MoS Monolayers

Giacomo Melani, Juan Pablo Guerrero-Felipe, Ana M. Valencia +3

The design of low-dimensional organic-inorganic interfaces for the next generation of opto-electronic applications requires an in-depth understanding of the microscopic mechanisms…

cond-mat.mtrl-sci2022★ 20 cited

Laser-Controlled Charge Transfer in a Two-Dimensional Organic/Inorganic Optical Coherent Nanojunction

Matheus Jacobs, Jannis Krumland, Caterina Cocchi

Understanding the fundamental mechanisms ruling laser-induced coherent charge transfer in hybrid organic/inorganic interfaces is of paramount importance to exploit these systems in…

cond-mat.mtrl-sci2021★ 10 cited

Ab initio simulation of laser-induced electronic and vibrational coherence

Jannis Krumland, Matheus Jacobs, Caterina Cocchi

The atomistic resolution recently achieved by ultrafast spectroscopies demands corresponding theoretical advances. Real-time time-dependent density-functional theory (RT-TDDFT) wit…

physics.chem-ph2021★ 13 cited

Laser-Induced Electronic and Vibronic Dynamics in the Pyrene Molecule and its Cation

Katherine R. Herperger, Jannis Krumland, Caterina Cocchi

Among polycyclic aromatic hydrocarbons, pyrene is widely used as an optical probe thanks to peculiar ultraviolet absorption and infrared emission features. Interestingly, this mole…

cond-mat.mtrl-sci2021★ 27 cited

Conditions for electronic hybridization between transition-metal dichalcogenide monolayers and physisorbed carbon-conjugated molecules

Jannis Krumland, Caterina Cocchi

Hybridization effects play a crucial role in determining the electronic properties of hybrid inorganic/organic interfaces. To gain insight into these important interactions, we per…

cond-mat.mtrl-sci2021★ 18 cited

Exploring organic semiconductors in solution: The effects of solvation, alkylization, and doping

Jannis Krumland, Ana M. Valencia, Caterina Cocchi

The first-principles simulation of the electronic structure of organic semiconductors in solution poses a number of challenges that are not trivial to address simultaneously. In th…

cond-mat.mtrl-sci2021★ 18 cited

LayerPCM: An implicit scheme for dielectric screening from layered substrates

Jannis Krumland, Gabriel Gil, Stefano Corni +1

We present LayerPCM, an extension of the polarizable-continuum model coupled to real-time time-dependent density-functional theory for an efficient and accurate description of the…

cond-mat.mtrl-sci2020★ 15 cited

Ultrafast charge transfer and vibronic coupling in a laser-excited hybrid inorganic/organic interface

Matheus Jacobs, Jannis Krumland, Ana M. Valencia +3

Hybrid interfaces formed by inorganic semiconductors and organic molecules are intriguing materials for opto-electronics. Interfacial charge transfer is primarily responsible for t…

cond-mat.mtrl-sci2020★ 47 cited

Understanding real-time time-dependent density-functional theory simulations of ultrafast laser-induced dynamics in organic molecules

Jannis Krumland, Ana M. Valencia, Stefano Pittalis +2

Real-time time-dependent density functional theory, in conjunction with the Ehrenfest molecular dynamics scheme, is becoming a popular methodology to investigate ultrafast phenomen…