Engineering exciton dynamics with synthetic DNA scaffolds

SM Hart, J Gorman, M Bathe… - Accounts of Chemical …, 2023 - ACS Publications
Conspectus Excitons are the molecular-scale currency of electronic energy. Control over
excitons enables energy to be directed and harnessed for light harvesting, electronics, and …

Develo** FRET networks for sensing

WR Algar, KD Krause - Annual Review of Analytical Chemistry, 2022 - annualreviews.org
Förster resonance energy transfer (FRET) is a widely used fluorescence-based sensing
mechanism. To date, most implementations of FRET sensors have relied on a discrete donor …

Engineering couplings for exciton transport using synthetic DNA scaffolds

SM Hart, WJ Chen, JL Banal, WP Bricker, A Dodin… - Chem, 2021 - cell.com
Control over excitons enables electronic energy to be harnessed and transported for light
harvesting and molecular electronics. Such control requires nanoscale precision over the …

Exciton delocalization in indolenine squaraine aggregates templated by DNA holliday junction scaffolds

OA Mass, CK Wilson, SK Roy, MS Barclay… - The Journal of …, 2020 - ACS Publications
Exciton delocalization plays a prominent role in the photophysics of molecular aggregates,
ultimately governing their particular function or application. Deoxyribonucleic acid (DNA) is a …

Optically accessible long-lived electronic biexcitons at room temperature in strongly coupled H-aggregates

S Sohoni, I Ghosh, GT Nash, CA Jones… - Nature …, 2024 - nature.com
Photon absorption is the first process in light harvesting. Upon absorption, the photon
redistributes electrons in the materials to create a Coulombically bound electron-hole pair …

Tuning optical absorption and emission using strongly coupled dimers in programmable DNA scaffolds

SM Hart, X Wang, J Guo, M Bathe… - The Journal of …, 2022 - ACS Publications
Molecular materials for light harvesting, computing, and fluorescence imaging require
nanoscale integration of electronically active subunits. Variation in the optical absorption …

Influence of hydrophobicity on excitonic coupling in DNA-templated indolenine squaraine dye aggregates

OA Mass, CK Wilson, G Barcenas… - The Journal of …, 2022 - ACS Publications
Control over the strength of excitonic coupling in molecular dye aggregates is a substantial
factor for the development of technologies such as light harvesting, optoelectronics, and …

Tuning between quenching and energy transfer in DNA-templated heterodimer aggregates

AU Chowdhury, SA Díaz, JS Huff… - The Journal of …, 2022 - ACS Publications
Molecular excitons, which propagate spatially via electronic energy transfer, are central to
numerous applications including light harvesting, organic optoelectronics, and nanoscale …

Two‐Dimensional Excitonic Networks Directed by DNA Templates as an Efficient Model Light‐Harvesting and Energy Transfer System

X Zhou, D Satyabola, H Liu, S Jiang, X Qi… - Angewandte …, 2022 - Wiley Online Library
Photosynthetic organisms organize discrete light‐harvesting complexes into large‐scale
networks to facilitate efficient light collection and utilization. Inspired by nature, herein …

First-principles studies of substituent effects on squaraine dyes

G Barcenas, A Biaggne, OA Mass, CK Wilson… - RSC …, 2021 - pubs.rsc.org
Dye molecules that absorb light in the visible region are key components in many
applications, including organic photovoltaics, biological fluorescent labeling, super …