Solar energy conversion by photosystem II: principles and structures

D Shevela, JF Kern, G Govindjee, J Messinger - Photosynthesis research, 2023 - Springer
Photosynthetic water oxidation by Photosystem II (PSII) is a fascinating process because it
sustains life on Earth and serves as a blue print for scalable synthetic catalysts required for …

Mn4Ca Cluster in Photosynthesis: Where and How Water is Oxidized to Dioxygen

J Yano, V Yachandra - Chemical reviews, 2014 - ACS Publications
Oxygen, which supports all aerobic life, is produced by photosynthetic water oxidation in
plants, algae, and cyanobacteria. The water-oxidation reaction probably first appeared in …

Structural evidence for intermediates during O2 formation in photosystem II

A Bhowmick, R Hussein, I Bogacz, PS Simon… - Nature, 2023 - nature.com
In natural photosynthesis, the light-driven splitting of water into electrons, protons and
molecular oxygen forms the first step of the solar-to-chemical energy conversion process …

Alternative Mechanism for O2 Formation in Natural Photosynthesis via Nucleophilic Oxo–Oxo Coupling

Y Guo, J Messinger, L Kloo, L Sun - Journal of the American …, 2023 - ACS Publications
O2 formation in photosystem II (PSII) is a vital event on Earth, but the exact mechanism
remains unclear. The presently prevailing theoretical model is “radical coupling”(RC) …

In situ observation of reactive oxygen species forming on oxygen-evolving iridium surfaces

V Pfeifer, TE Jones, JJV Vélez, R Arrigo, S Piccinin… - Chemical …, 2017 - pubs.rsc.org
Water splitting performed in acidic media relies on the exceptional performance of iridium-
based materials to catalyze the oxygen evolution reaction (OER). In the present work, we …

O–O bond formation in ruthenium-catalyzed water oxidation: single-site nucleophilic attack vs. O–O radical coupling

DW Shaffer, Y **e, JJ Concepcion - Chemical Society Reviews, 2017 - pubs.rsc.org
In this review we discuss at the mechanistic level the different steps involved in water
oxidation catalysis with ruthenium-based molecular catalysts. We have chosen to focus on …

Recent advances in understanding oxygen evolution reaction mechanisms over iridium oxide

T Naito, T Shinagawa, T Nishimoto… - Inorganic Chemistry …, 2021 - pubs.rsc.org
Water electrolysis driven by renewable energy can produce clean hydrogen, but its
efficiency remains low, in part because of slow kinetics at the anode for the oxygen evolution …

Water oxidation in photosystem II

W Lubitz, M Chrysina, N Cox - Photosynthesis research, 2019 - Springer
Biological water oxidation, performed by a single enzyme, photosystem II, is a central
research topic not only in understanding the photosynthetic apparatus but also for the …

Quantum mechanical studies of large metal, metal oxide, and metal chalcogenide nanoparticles and clusters

A Fernando, KLDM Weerawardene… - Chemical …, 2015 - ACS Publications
Metal, metal oxide, and metal chalcogenide materials have a wide variety of applications.
For example, many metal clusters and nanoparticles are used as catalysts for reactions …

Current understanding of the mechanism of water oxidation in photosystem II and its relation to XFEL data

N Cox, DA Pantazis, W Lubitz - Annual review of biochemistry, 2020 - annualreviews.org
The investigation of water oxidation in photosynthesis has remained a central topic in
biochemical research for the last few decades due to the importance of this catalytic process …