Luminescence in crystalline organic materials: from molecules to molecular solids

J Gierschner, J Shi, B Milián‐Medina… - Advanced Optical …, 2021 - Wiley Online Library
Luminescent small, all‐organic molecules are of tremendous interest in materials and life
science applications. Nevertheless, targeted design requires a basic understanding of the …

Dual emission: classes, mechanisms, and conditions

SK Behera, SY Park… - Angewandte Chemie …, 2021 - Wiley Online Library
There has been much interest in dual‐emission materials in the past few years for materials
and life science applications; however, a systematic overview of the underlying processes is …

High exciton diffusion coefficients in fused ring electron acceptor films

S Chandrabose, K Chen, AJ Barker… - Journal of the …, 2019 - ACS Publications
Modest exciton diffusion lengths dictate the need for nanostructured bulk heterojunctions in
organic photovoltaic (OPV) cells; however, this morphology compromises charge collection …

Quantitative analysis of doping-induced polarons and charge-transfer complexes of poly (3-hexylthiophene) in solution

M Arvind, CE Tait, M Guerrini, J Krumland… - The Journal of …, 2020 - ACS Publications
The mechanism and the nature of the species formed by molecular doping of the model
polymer poly (3-hexylthiophene)(P3HT) in its regioregular (rre-) and regiorandom (rra-) …

The photoprotection mechanism in the black–brown pigment eumelanin

A Ilina, KE Thorn, PA Hume, I Wagner… - Proceedings of the …, 2022 - National Acad Sciences
The natural black–brown pigment eumelanin protects humans from high-energy UV photons
by absorbing and rapidly dissipating their energy before proteins and DNA are damaged …

“Red carbon”: A rediscovered covalent crystalline semiconductor

M Odziomek, P Giusto, J Kossmann… - Advanced …, 2022 - Wiley Online Library
Abstract Carbon suboxide (C3O2) is a unique molecule able to polymerize spontaneously
into highly conjugated light‐absorbing structures at temperatures as low as 0° C. Despite …

Directed gradients in the excited-state energy landscape of poly (3-hexylthiophene) nanofibers

S Stäter, FA Wenzel, H Welz, K Kreger… - Journal of the …, 2023 - ACS Publications
Funneling excitation energy toward lower energy excited states is a key concept in
photosynthesis, which is often realized with at most two chemically different types of pigment …

Triplets with a Twist: Ultrafast Intersystem Crossing in a Series of Electron Acceptor Materials Driven by Conformational Disorder

SS Murali, JK Gallaher, C Janiseck… - Journal of the …, 2022 - ACS Publications
Control over the populations of singlet and triplet excitons is key to organic semiconductor
technologies. In different contexts, triplets can represent an energy loss pathway that must …

Sustainable Carbon Dioxide Reduction of the P3HT Polymer-Sensitized TiO2/Re(I) Photocatalyst

MS Choe, S Choi, HS Lee, B Chon… - … Applied Materials & …, 2022 - ACS Publications
In this study, ap-type π-conjugated polymer chain, poly (3-hexylthiophene-2, 5-diyl)(P3HT),
was physically adsorbed onto n-type TiO2 nanoparticles functionalized with a molecular …

Excited-state structural relaxation and exciton delocalization dynamics in linear and cyclic π-conjugated oligothiophenes

KH Park, W Kim, J Yang, D Kim - Chemical Society Reviews, 2018 - pubs.rsc.org
π-Conjugated oligothiophene is considered a chain segment of its polymeric counterpart,
whose size and shape can be precisely controlled. Because of its simplified structure, it is …