Charge-transfer-like π→ π* excitations in time-dependent density functional theory: A conundrum and its solution

N Kuritz, T Stein, R Baer, L Kronik - Journal of chemical theory …, 2011 - ACS Publications
We address the conundrum posed by the well-known failure of time-dependent DFT
(TDDFT) with conventional functionals for “charge-transfer-like” excitations in oligoacenes …

Synthesis, stability, and photochemistry of pentacene, hexacene, and heptacene: A matrix isolation study

R Mondal, C Tönshoff, D Khon… - Journal of the …, 2009 - ACS Publications
The photochemical bisdecarbonylation of bridged α-diketones (Strating− Zwanenburg
reaction) to give the oligoacenes pentacene (2), hexacene (3), and heptacene (4) is …

Azaacenes Based Electroactive Materials: Preparation, Structure, Electrochemistry, Spectroscopy and Applications—A Critical Review

K Kotwica, I Wielgus, A Proń - Materials, 2021 - mdpi.com
This short critical review is devoted to the synthesis and functionalization of various types of
azaacenes, organic semiconducting compounds which can be considered as promising …

HOMO-LUMO gaps of large polycyclic aromatic hydrocarbons and their implication on the quantum confinement behavior of flame-formed carbon nanoparticles

N Kateris, AS Jayaraman, H Wang - Proceedings of the Combustion …, 2023 - Elsevier
Flame-formed carbon nanoparticles exhibit apparent size-dependent optical and electronic
band gaps, consistent with the quantum confinement effect found in semiconductor …

Laser induced fluorescence spectroscopy of aromatic species produced in atmospheric sooting flames using UV and visible excitation wavelengths

S Bejaoui, X Mercier, P Desgroux, E Therssen - Combustion and Flame, 2014 - Elsevier
In this work, laser induced fluorescence (LIF) has been applied to probe PAHs in two
atmospheric sooting flames: a premixed flat flame of methane and a Diesel turbulent spray …

Electronic and optical properties of families of polycyclic aromatic hydrocarbons: A systematic (time-dependent) density functional theory study

G Malloci, G Cappellini, G Mulas, A Mattoni - Chemical Physics, 2011 - Elsevier
Homologous classes of polycyclic aromatic hydrocarbons (PAHs) in their crystalline state
are among the most promising materials for organic opto-electronics. Following previous …

Time-Dependent Density-Functional Description of the 1La State in Polycyclic Aromatic Hydrocarbons: Charge-Transfer Character in Disguise?

RM Richard, JM Herbert - Journal of chemical theory and …, 2011 - ACS Publications
The electronic spectrum of alternant polycyclic aromatic hydrocarbons (PAHs) includes two
singlet excited states that are often denoted 1L a and 1L b. Time-dependent density …

Multicolor electrochromic devices based on molecular plasmonics

GJ Stec, A Lauchner, Y Cui, P Nordlander, NJ Halas - Acs Nano, 2017 - ACS Publications
Polycyclic aromatic hydrocarbon (PAH) molecules, the hydrogen-terminated, sub-nanometer-
scale version of graphene, support plasmon resonances with the addition or removal of a …

Structural and excited-state properties of oligoacene crystals from first principles

T Rangel, K Berland, S Sharifzadeh, F Brown-Altvater… - Physical Review B, 2016 - APS
Molecular crystals are a prototypical class of van der Waals (vdW) bound organic materials
with excited-state properties relevant for optoelectronics applications. Predicting the …

Molecular plasmonics

A Lauchner, AE Schlather, A Manjavacas, Y Cui… - Nano …, 2015 - ACS Publications
Graphene supports surface plasmons that have been observed to be both electrically and
geometrically tunable in the mid-to far-infrared spectral regions. In particular, it has been …