Real-time time-dependent electronic structure theory

X Li, N Govind, C Isborn, AE DePrince III… - Chemical …, 2020 - ACS Publications
Real-time electronic structure methods provide an unprecedented view of electron dynamics
and ultrafast spectroscopy on the atto-and femtosecond time scale with vast potential to yield …

A non-thermal plasma route to plasmonic TiN nanoparticles

A Alvarez Barragan, NV Ilawe, L Zhong… - The Journal of …, 2017 - ACS Publications
In this contribution, we present a high-throughput method for the synthesis of titanium nitride
nanoparticles. The technique, based on a continuous-flow nonthermal plasma process …

A real-time time-dependent density functional tight-binding implementation for semiclassical excited state electron–nuclear dynamics and pump–probe spectroscopy …

FP Bonafé, B Aradi, B Hourahine… - Journal of Chemical …, 2020 - ACS Publications
The increasing need to simulate the dynamics of photoexcited molecular systems and
nanosystems in the subpicosecond regime demands new efficient tools able to describe the …

Effect of quantum tunneling on the efficiency of excitation energy transfer in plasmonic nanoparticle chain waveguides

NV Ilawe, MB Oviedo, BM Wong - Journal of Materials Chemistry C, 2018 - pubs.rsc.org
We present a detailed analysis of the electronic couplings that mediate excitation energy
transfer (EET) in plasmonic nanoantenna systems using large-scale quantum dynamical …

Atomistic insights into chemical interface dam** of surface plasmon excitations in silver nanoclusters

OA Douglas-Gallardo, M Berdakin… - The Journal of Physical …, 2016 - ACS Publications
A detailed description of the mechanism underlying chemical interface dam** (CID) in
silver nanoclusters is presented. The effect of adsorbates on the surface plasmon excitation …

Real-time quantum dynamics of long-range electronic excitation transfer in plasmonic nanoantennas

NV Ilawe, MB Oviedo, BM Wong - Journal of chemical theory and …, 2017 - ACS Publications
Using large-scale, real-time, quantum dynamics calculations, we present a detailed analysis
of electronic excitation transfer (EET) mechanisms in a multiparticle plasmonic nanoantenna …

Quantum phonon transport in nanomaterials: combining atomistic with non-equilibrium green's function techniques

L Medrano Sandonas, R Gutierrez, A Pecchia, A Croy… - Entropy, 2019 - mdpi.com
A crucial goal for increasing thermal energy harvesting will be to progress towards atomistic
design strategies for smart nanodevices and nanomaterials. This requires the combination …

Dissociative mechanism from NH3 and CH4 on Ni-doped graphene: Tuning electronic and optical properties

A Aligayev, U Jabbarli, U Samadova… - Applied Surface …, 2025 - Elsevier
In this study, we employ a multi-scale computational modeling approach, combining density
functional theory (DFT) and self-consistent charge density functional tight binding (SCC …

Photoelectrochemical hole injection revealed in polyoxotitanate nanocrystals functionalized with organic adsorbates

CFA Negre, KJ Young, MB Oviedo… - Journal of the …, 2014 - ACS Publications
We find that crystallographically resolved Ti17O24 (OPr i) 20 nanoparticles, functionalized
by covalent attachment of 4-nitrophenyl-acetylacetonate or coumarin 343 adsorbates …

Optical properties of graphene nanoflakes: Shape matters

C Mansilla Wettstein, FP Bonafé, MB Oviedo… - The Journal of …, 2016 - pubs.aip.org
In recent years there has been significant debate on whether the edge type of graphene
nanoflakes (GNFs) or graphene quantum dots (GQDs) are relevant for their electronic …