[HTML][HTML] Pursuing excitonic energy transfer with programmable DNA-based optical breadboards

D Mathur, SA Díaz, N Hildebrandt… - Chemical Society …, 2023 - pubs.rsc.org
DNA nanotechnology has now enabled the self-assembly of almost any prescribed 3-
dimensional nanoscale structure in large numbers and with high fidelity. These structures …

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 …

Strategies for controlling the spatial orientation of single molecules tethered on DNA origami templates physisorbed on glass substrates: Intercalation and stretching

K Cervantes-Salguero, A Biaggne… - International journal of …, 2022 - mdpi.com
Nanoarchitectural control of matter is crucial for next-generation technologies. DNA origami
templates are harnessed to accurately position single molecules; however, direct single …

Tuning exciton coupling of merocyanine nucleoside dimers by RNA, DNA and GNA double helix conformations

J Dietzsch, D Bialas, J Bandorf, F Würthner… - Angewandte …, 2022 - Wiley Online Library
Exciton coupling between two or more chromophores in a specific environment is a key
mechanism associated with color tuning and modulation of absorption energies. This …

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 …

Activating charge-transfer state formation in strongly-coupled dimers using DNA scaffolds

SM Hart, JL Banal, MA Castellanos, L Markova… - Chemical …, 2022 - pubs.rsc.org
Strongly-coupled multichromophoric assemblies orchestrate the absorption, transport, and
conversion of photonic energy in natural and synthetic systems. Programming these …

Exciton delocalization in a DNA-templated organic semiconductor dimer assembly

X Wang, R Sha, WB Knowlton, NC Seeman… - ACS …, 2022 - ACS Publications
A chiral dimer of an organic semiconductor was assembled from octaniline (octamer of
polyaniline) conjugated to DNA. Facile reconfiguration between the monomer and dimer of …

Tunable Non-Kasha Behaviors and Excited-State Dynamics of Quadrupolar Squaraine Aggregates

N Zhang, L Liu, H Chang, K Liu, T Liu… - The Journal of …, 2023 - ACS Publications
Versatile coupling theories have been developed for rationalizing unusual aggregation
phenomena of multipolar chromophores. Here, diverse excitonic couplings of a quadrupolar …

Rotaxane rings promote oblique packing and extended lifetimes in DNA-templated molecular dye aggregates

MS Barclay, SK Roy, JS Huff, OA Mass… - Communications …, 2021 - nature.com
Molecular excitons play a central role in natural and artificial light harvesting, organic
electronics, and nanoscale computing. The structure and dynamics of molecular excitons …

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 …