Natural and artificial light-harvesting systems utilizing the functions of carotenoids

H Hashimoto, Y Sugai, C Uragami, AT Gardiner… - … of Photochemistry and …, 2015 - Elsevier
Carotenoids are essential pigments in natural photosynthesis. They absorb in the blue–
green region of the solar spectrum and transfer the absorbed energy to (bacterio-) …

Mechanism of photoprotection in the cyanobacterial ancestor of plant antenna proteins

H Staleva, J Komenda, MK Shukla, V Šlouf… - Nature chemical …, 2015 - nature.com
Plants collect light for photosynthesis using light-harvesting complexes (LHCs)—an array of
chlorophyll proteins that are able to reversibly switch from harvesting to energy-dissipation …

Broad-band impulsive vibrational spectroscopy of excited electronic states in the time domain

M Liebel, P Kukura - The journal of physical chemistry letters, 2013 - ACS Publications
We demonstrate that transient absorption spectroscopy performed with an ultrashort pump
pulse and a chirped, broad-band probe pulse is capable of recording full vibrational spectra …

The origin of the dark S1 state in carotenoids: a comprehensive model

L Fiedor, A Dudkowiak, M Pilch - Journal of the Royal …, 2019 - royalsocietypublishing.org
In carotenoids, by analogy to polyenes, the symmetry of the π-electron system is often
invoked to explain their peculiar electronic features, in particular the inactivity of the S0→ S1 …

Effects of molecular symmetry on the electronic transitions in carotenoids

L Fiedor, Heriyanto, J Fiedor… - The Journal of Physical …, 2016 - ACS Publications
The aim of this work is the verification of symmetry effects on the electronic absorption
spectra of carotenoids. The symmetry breaking in cis-β-carotenes and in carotenoids with …

Light‐Stimulated Luminescence Control of Lead Halide‐Based Perovskite Nanocrystals Coupled with Photochromic Molecules via Electron and Energy Transfer

Y Akaishi, A Mokhtar, M Shimoyoshi, T Nohara… - Small, 2022 - Wiley Online Library
Photoswitchable nanomaterials are key materials in the development of advanced imaging
techniques, such as super‐resolution fluorescence microscopy. The combination of …

Excitation energy-transfer dynamics of brown algal photosynthetic antennas

D Kosumi, M Kita, R Fujii, M Sugisaki… - The journal of …, 2012 - ACS Publications
Fucoxanthin–chlorophyll-a/c protein (FCP) complexes from brown algae Cladosiphon
okamuranus TOKIDA (Okinawa Mozuku in Japanese) contain the only species of carbonyl …

Photoprotective mechanisms in the core LH1 antenna pigment-protein complex from the purple photosynthetic bacterium, Rhodospirillum rubrum

C Uragami, H Sato, N Yukihira, M Fujiwara… - … of Photochemistry and …, 2020 - Elsevier
Time-resolved absorption spectra from the femtoscecond to sub-millisecond time regimes
were recorded in order to eluciate the photoprotective mechanisms of carotenoid …

Photoprotection mechanism of light-harvesting antenna complex from purple bacteria

D Kosumi, T Horibe, M Sugisaki… - The Journal of …, 2016 - ACS Publications
Photosynthetic light-harvesting apparatus efficiently capture sunlight and transfer the energy
to reaction centers, while they safely dissipate excess energy to surrounding environments …

Ultrafast excited state dynamics of fucoxanthin: excitation energy dependent intramolecular charge transfer dynamics

D Kosumi, T Kusumoto, R Fujii, M Sugisaki… - Physical Chemistry …, 2011 - pubs.rsc.org
Carotenoids containing a carbonyl group in conjugation with their polyene backbone are
naturally-occurring pigments in marine organisms and are essential to the photosynthetic …