Non-radiative relaxation of photoexcited chlorophylls: theoretical and experimental study

WP Bricker, PM Shenai, A Ghosh, Z Liu… - Scientific reports, 2015 - nature.com
studying theoretically and experimentally, the intramolecular relaxation of photoexcited
states of two important chlorophyll molecules - ChlA and chlorophyll b (ChlB), shown in Fig. 1. …

Non-radiative relaxation of photoexcited chlorophylls: theoretical and experimental study

Y Zhao, WP Bricker, PM Shenai, A Ghosh, Z Liu… - 2015 - dr.ntu.edu.sg
studying theoretically and experimentally, the intramolecular relaxation of photoexcited
states of two important chlorophyll molecules - ChlA and chlorophyll b (ChlB), shown in Fig. 1. …

Comparative Absorption Dynamics of the Singlet Excited States of Chlorophylls a and d

DA Cherepanov, AA Petrova, MD Mamedov… - Biochemistry …, 2022 - Springer
relaxation time of the intramolecular S 2 →S 1 relaxation of Chl d using the density functional
theory (… ) was nearly three times higher than the time (45 fs) determined in our experiments. …

Study of primary mechanisms of Photosynthesis in green algae by Ultrafast Vis-NIR spectroscopy

V de la CRUZ, G JOSÉ - 2020 - politesi.polimi.it
chlorophyll in the visible, due to its high level of π conjugation along the planar ring. In this
sense, we can consider chlorophyll … In reality, chlorophylls do not satisfy this theoretical model …

Mechanistic insight into internal conversion process within Q-bands of chlorophyll a

E Meneghin, C Leonardo, A Volpato, L Bolzonello… - Scientific reports, 2017 - nature.com
… The non-radiative relaxation of the excitation energy from … Despite the continuous theoretical
and experimental efforts to … in the first hundred of femtoseconds after photoexcitation. …

Reassessing the role and lifetime of Q x in the energy transfer dynamics of chlorophyll a

E Keil, A Kumar, L Bäuml, S Reiter, E Thyrhaug… - Chemical …, 2025 - pubs.rsc.org
… Following photoexcitation, energy-relaxation between these states … and compare our results
with theoretical models. We can … (about 5%) into the B-band as in our experimental studies. …

Carbon nanorings with inserted acenes: breaking symmetry in excited state dynamics

R Franklin-Mergarejo, DO Alvarez, S Tretiak… - Scientific reports, 2016 - nature.com
theoretical study of the electronic and vibrational energy relaxation and redistribution in
photoexcited … has characteristic footprints in photoexcited non-radiative relaxation as shown with …

The Q-Band Energetics and Relaxation of Chlorophylls a and b as Revealed by Visible-to-Near Infrared Time-Resolved Absorption Spectroscopy

RY Gao, JW Zou, YP Shi, DH Li, J Zheng… - The Journal of …, 2025 - ACS Publications
Chlorophyll (Chl) is the most abundant light-harvesting pigment of oxygenic photosynthetic
organisms; however, the Q-band energetics and relaxation dynamics remain unclear. In this …

The impact of stacking and phonon environment on energy transfer in organic chromophores: computational insights

A Mukazhanova, H Negrin-Yuvero… - Journal of Materials …, 2023 - pubs.rsc.org
… the computational study of the photoexcitation dynamics of a … , we show that the non-radiative
relaxation is accelerated with … In this study, we combine density functional theory (DFT) and …

A pathway for protective quenching in antenna proteins of Photosystem II

S Papadatos, AC Charalambous, V Daskalakis - Scientific Reports, 2017 - nature.com
… The non-radiative relaxation of high-energy excited states of … characteristics of isolated
chlorophyll pigments exert peaks … a useful target for future experimental studies based on mutated …