Excited state dynamics and photochemistry of nitroaromatic compounds

W Rodríguez-Córdoba, L Gutiérrez-Arzaluz… - Chemical …, 2021 - pubs.rsc.org
Nitrated aromatic molecules have unique photoinduced channels. Due to the presence of
oxygen-centered non-bonding orbitals, they can undergo sub-picosecond intersystem …

Deciphering the unusual fluorescence in weakly coupled bis-nitro-pyrrolo[3,2-b]pyrroles

YM Poronik, GV Baryshnikov, I Deperasińska… - Communications …, 2020 - nature.com
Electron-deficient π-conjugated functional dyes lie at the heart of organic optoelectronics.
Adding nitro groups to aromatic compounds usually quenches their fluorescence via inter …

Potent strategy towards strongly emissive nitroaromatics through a weakly electron-deficient core

B Sadowski, M Kaliszewska, YM Poronik, M Czichy… - Chemical …, 2021 - pubs.rsc.org
Nitroaromatics seldom fluoresce. The importance of electron-deficient (n-type) conjugates,
however, has inspired a number of strategies for suppressing the emission-quenching …

Excited-state dynamics in nitro-naphthalene derivatives: intersystem crossing to the triplet manifold in hundreds of femtoseconds

RA Vogt, C Reichardt… - The Journal of Physical …, 2013 - ACS Publications
Femtosecond transient absorption experiments and density functional calculations are
presented for 2-methyl-1-nitronaphthalene, 2-nitronaphthalene, and 1-nitronaphthalene in …

Solvent effects on the singlet–triplet couplings in nitroaromatic compounds

Ó Guzmán-Méndez, MM Reza, B Meza… - The Journal of …, 2023 - ACS Publications
Nitrated polycyclic molecules can present the largest singlet–triplet crossing rates among
organic molecules. This implies that most of these compounds have no detectable steady …

Insights into the complex photophysics and photochemistry of the simplest nitroaromatic compound: A CASPT2//CASSCF study on nitrobenzene

A Giussani, GA Worth - Journal of Chemical Theory and …, 2017 - ACS Publications
Nitrobenzene is the simplest nitroaromatic compound and yet is characterized by a
challenging and rich photophysics and photochemistry. In the present contribution, the main …

How Do Liquid-Junction Potentials and Medium Polarity at Electrode Surfaces Affect Electrochemical Analyses for Charge-Transfer Systems?

MF Mayther, O O'Mari, P Flacke, D Bhatt… - The Journal of …, 2023 - ACS Publications
The importance of electrochemical analysis for charge-transfer science cannot be
overstated. Interfaces in electrochemical cells present certain challenges in the …

Role of Upper Triplet States on the Photophysics of Nitrated Polyaromatic Compounds: S1 Lifetimes of Singly Nitrated Pyrenes

EF Plaza-Medina… - The Journal of …, 2011 - ACS Publications
The photophysics of most nitrated polycyclic aromatic compounds is dominated by an
ultrafast intersystem crossing channel, which makes their first singlet excited states decay …

The influence of push–pull states on the ultrafast intersystem crossing in nitroaromatics

R López-Arteaga, AB Stephansen… - The Journal of …, 2013 - ACS Publications
The photochemistry of nitro-substituted polyaromatic compounds is generally determined by
the rapid decay of its S1 state and the rapid population of its triplet manifold. Previous …

Conformational control in the population of the triplet state and photoreactivity of nitronaphthalene derivatives

RA Vogt, CE Crespo-Hernandez - The Journal of Physical …, 2013 - ACS Publications
Nitronaphthalene derivatives (NNDs) are among the most abundant volatile nitro-polycyclic
aromatic hydrocarbons found in the Earth's atmosphere. Investigations of the atmospheric …