Minimizing non-radiative decay in molecular aggregates through control of excitonic coupling

Y Wang, J Ren, Z Shuai - Nature Communications, 2023 - nature.com
Abstract The widely known “Energy Gap Law”(EGL) predicts a monotonically exponential
increase in the non-radiative decay rate (k nr) as the energy gap narrows, which hinders the …

Establishing design principles for emissive organic SWIR chromophores from energy gap laws

HC Friedman, ED Cosco, TL Atallah, S Jia, EM Sletten… - Chem, 2021 - cell.com
The rational design of bright near and shortwave infrared (NIR: 700–1,000; SWIR: 1,000–
2,000 nm) emitters remains an open question with applications spanning imaging and …

Molecular and Supramolecular Materials: From Light-Harvesting to Quantum Information Science and Technology

Y Zhang, CP Oberg, Y Hu, H Xu, M Yan… - The Journal of …, 2024 - ACS Publications
The past two decades have witnessed immense advances in quantum information
technology (QIT), benefited by advances in physics, chemistry, biology, and materials …

Double J-coupling strategy for near infrared emitters

CA Shen, M Stolte, JH Kim, A Rausch… - Journal of the …, 2021 - ACS Publications
Fluorophores emitting in the near-infrared (NIR) are highly desired for various applications,
but increasing nonradiative rates cause severe fluorescence quenching for wavelengths …

Transforming Dyes into Fluorophores: Exciton‐Induced Emission with Chain‐like Oligo‐BODIPY Superstructures

LJ Patalag, J Hoche, R Mitric, DB Werz… - Angewandte …, 2022 - Wiley Online Library
Herein we present a systematic study demonstrating to which extent exciton formation can
amplify fluorescence based on a series of ethylene‐bridged oligo‐BODIPYs. A set of non …

Strong coupling effects in a plexciton system of gold nanostars and J-aggregates

D Melnikau, P Samokhvalov, A Sanchez-Iglesias… - Journal of …, 2022 - Elsevier
Strong exciton–plasmon interaction enables effective control of the photonic properties of
hybrid organic–inorganic nanostructures encompassing light absorption, scattering and …

Excited-state lifetimes of DNA-templated cyanine dimer, trimer, and tetramer aggregates: The role of exciton delocalization, dye separation, and DNA heterogeneity

JS Huff, DB Turner, OA Mass, LK Patten… - The Journal of …, 2021 - ACS Publications
DNA-templated molecular (dye) aggregates are a novel class of materials that have
garnered attention in a broad range of areas including light harvesting, sensing, and …

Lowering of the singlet-triplet energy gap via intramolecular exciton-exciton coupling

C Schäfer, R Ringström, J Hanrieder, M Rahm… - Nature …, 2024 - nature.com
Organic dyes typically have electronically excited states of both singlet and triplet multiplicity.
Controlling the energy difference between these states is a key factor for making efficient …

Cross determination of exciton coherence length in J-aggregates

A Jumbo-Nogales, V Krivenkov… - The Journal of …, 2022 - ACS Publications
The coherence length of the Frenkel excitons (N coh) is one of the most critical parameters
governing many key features of supramolecular J-aggregates. Determining experimentally …

Assessing the donor–acceptor nature and the electrochemical stability of a fluorene–diketopyrrolopyrrole–thiophene-based copolymer

L Scalon, A Leithold Neto, LO Araujo… - ACS Applied Polymer …, 2021 - ACS Publications
Organic dyes have been studied for applications in large-area, flexible, cheap, and efficient
organic electronic devices. Among them, diketopyrrolopyrrole (DPP) has gained attention …