Nature-inspired enhancement in power conversion efficiency of bio-photovoltaics using photosynthetic protein complexes

KK Chenab, MRZ Meymian, S Bagheri… - Materials Science in …, 2025‏ - Elsevier
Photosynthesis (PS) teaches us to manipulate power conversion efficiency (PCE) of bio-
photovoltaics (Bio-PVs). Over the past few years, Bio-PVs have struggled with low PCE …

Accurate Computation of the Absorption Spectrum of Chlorophyll a with Pair Natural Orbital Coupled Cluster Methods

A Sirohiwal, R Berraud-Pache, F Neese… - The Journal of …, 2020‏ - ACS Publications
The ability to accurately compute low-energy excited states of chlorophylls is critically
important for understanding the vital roles they play in light harvesting, energy transfer, and …

Protein matrix control of reaction center excitation in photosystem II

A Sirohiwal, F Neese, DA Pantazis - Journal of the American …, 2020‏ - ACS Publications
Photosystem II (PSII) is a multisubunit pigment–protein complex that uses light-induced
charge separation to power oxygenic photosynthesis. Its reaction center chromophores …

The role of H-bonds in the excited-state properties of multichromophoric systems: static and dynamic aspects

E Fresch, E Collini - Molecules, 2023‏ - mdpi.com
Given their importance, hydrogen bonds (H-bonds) have been the subject of intense
investigation since their discovery. Indeed, H-bonds play a fundamental role in determining …

Characterization of microencapsulated spinach extract obtained by spray-drying and freeze-drying techniques and its use as a source of chlorophyll in a chewing gum …

H Rajabi, S Sedaghati, G Rajabzadeh, AM Sani - Food Hydrocolloids, 2024‏ - Elsevier
This study aimed to extract and encapsulate spinach extract as a source of chlorophyll
(CHL) through freeze-(FD) and spray-dried techniques (SD), followed by utilizing …

Controlling vibronic coupling in chlorophyll proteins: The effects of excitonic delocalization and vibrational localization

G Grechishnikova, JH Wat, N de Cordoba… - The Journal of …, 2024‏ - ACS Publications
Vibrational–electronic (vibronic) coupling plays a critical role in excitation energy transfer in
molecular aggregates and pigment–protein complexes (PPCs). But the interplay between …

[HTML][HTML] At the origin of the selectivity of the chlorophyll-binding sites in Light Harvesting Complex II (LHCII)

E Elias, N Liguori, R Croce - International Journal of Biological …, 2023‏ - Elsevier
The photosynthetic light-harvesting complexes (LHCs) are responsible for light absorption
due to their pigment-binding properties. These pigments are primarily Chlorophyll (Chl) …

Spectral tuning of chlorophylls in proteins–electrostatics vs. ring deformation

Y Lahav, D Noy, I Schapiro - Physical Chemistry Chemical Physics, 2021‏ - pubs.rsc.org
In photosynthetic complexes, tuning of chlorophyll light-absorption spectra by the protein
environment is crucial to their efficiency and robustness. Recombinant type II water soluble …

How the protein environment can tune the energy, the coupling, and the ultrafast dynamics of interacting chlorophylls: The example of the water-soluble chlorophyll …

E Fresch, E Meneghin, A Agostini… - The journal of …, 2020‏ - ACS Publications
The interplay between active molecules and the protein environment in light-harvesting
complexes tunes the photophysics and the dynamical properties of pigment–protein …

Primary donor triplet states of Photosystem I and II studied by Q-band pulse ENDOR spectroscopy

J Niklas, A Agostini, D Carbonera, M Di Valentin… - Photosynthesis …, 2022‏ - Springer
The photoexcited triplet state of the “primary donors” in the two photosystems of oxygenic
photosynthesis has been investigated by means of electron-nuclear double resonance …