Recent advances on pyrene-based photoinitiators of polymerization

F Dumur - European Polymer Journal, 2020 - Elsevier
Photoinitiators of polymerization activable under low light intensity and in the visible range
are actively researched by both the academic and industrial communities. To efficiently …

Annulenes, 1980–2000

RD Kennedy, D Lloyd, H McNab - Journal of the Chemical Society …, 2002 - pubs.rsc.org
The name annulenes was suggested for all conjugated cyclic polyenes, irrespective of their
properties. All annulenes have complete cyclic conjugated systems of double bonds. The …

Excited-State Hund's Rule Violations in Bridged [10]-and [14] Annulene Perimeters

JT Blaskovits, C Corminboeuf… - The Journal of Physical …, 2024 - ACS Publications
Molecules with Hund's rule violations between low-lying singlet and triplet states may
enable a new generation of fluorescent emitters. However, only a few classes of molecules …

A Dimethyldihydropyrene π-Switch for Light-Mediated Dynamic Control of Charge Transportation

S Molla, S Chatterjee, S Adak… - ACS Applied Optical …, 2024 - ACS Publications
Triarylamines (TAA) have low ionization potentials and are commonly used as donor units in
optoelectronic materials. On the other hand, photochromic dimethyldihydropyrene (DHP) …

Electronic Excited States and UV–Vis Absorption Spectra of the Dihydropyrene/Cyclophanediene Photochromic Couple: a Theoretical Investigation

R Sarkar, MC Heitz, G Royal… - The Journal of Physical …, 2020 - ACS Publications
Dihydropyrene (DHP)/cyclophanediene (CPD) is a fascinating photoswitchable organic
system displaying negative photochromism. Upon irradiation in the visible region, the …

Dihydropyrene/Cyclophanediene Photoswitching Mechanism Revisited with Spin-Flip Time-Dependent Density Functional Theory: Nature of the Photoisomerization …

E Lognon, R Sarkar, MC Heitz… - The Journal of …, 2023 - ACS Publications
The complex photoisomerization mechanism of the dihydropyrene (DHP) photochromic
system is revisited using spin-flip time-dependent density functional theory (SF-TD-DFT) …

Mechanistic studies on the photochromism of [e]-annelated dimethyldihydropyrenes

MAL Sheepwash, TR Ward, Y Wang… - Photochemical & …, 2003 - Springer
The photochemistry of several photochromic arene [e]-annelated dimethyldihydropyrenes
(DHPs) was studied. These compounds have much larger photochemical ring opening …

Theoretical mechanistic study of self-sensitized photo-oxygenation and singlet oxygen thermal release in a dimethyldihydropyrene derivative

M Boggio-Pasqua, ML Vidal, M Garavelli - Journal of Photochemistry and …, 2017 - Elsevier
The self-sensitized photo-oxygenation and singlet oxygen thermal release mechanisms in a
pyridinium-substituted dimethyldihydropyrene (DHP) derivative have been investigated …

Rationalization and design of enhanced photoinduced cycloreversion in photochromic dimethyldihydropyrenes by theoretical calculations

M Boggio-Pasqua, M Garavelli - The Journal of Physical Chemistry …, 2015 - ACS Publications
This study presents a computational investigation of the initial step of the
dimethyldihydropyrene (DHP) to cyclophanediene (CPD) photoinduced ring-opening …

Molecular design to enhance the thermal stability of a photo switchable molecular junction based on dimethyldihydropyrene and cyclophanediene isomerization

W Hu, GP Zhang, S Duan, Q Fu… - The Journal of Physical …, 2015 - ACS Publications
Photoswitchable molecular devices based on dimethyldihydropyrene (DHP) and
cyclophanediene (CPD) isomers in gold junctions have been systematically studied by …