ArticleScience advances2024
Unraveling quantum coherences mediating primary charge transfer processes in photosystem II reaction center.
Article in Science advances, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
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Who cites it
8 citing papers in PubMed, 23 citations in OpenAlex.
- Quantum coherent dynamics in allophycocyanin trimer complex.Science advances · 2026Article
- Excitonic energy transfer in red algal Photosystem I reveals an evolutionary bridge between cyanobacteria and plants.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Water-modulated conformational heterogeneity underlies multiple timescales of primary charge separation in photosystem II.Nature communications · 2026Article
- Quantum Life Science: A Paradigm for Life Science Research.ACS nano · 2026Review
- Capturing coherent pseudorotation through conical intersection in photoionized benzene.Nature communications · 2025Article
- Photosystem II: commonality and diversity with emphasis on the extrinsic subunits.Plant & cell physiology · 2025Review
- Investigation of quantum trajectories in photosynthetic light harvesting through a quantum stochastic approach.Scientific reports · 2025Article
- Crystal Lattice-Induced Stress modulates Photoinduced Jahn-Teller Distortion Dynamics.ACS physical chemistry Au · 2024Article
Corrections and comments
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Authors and funding
7 authors at 4 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Photosystem II (PSII) reaction center (RC) is a unique complex that is capable of efficiently separating electronic charges across the membrane. The primary energy- and charge-transfer (CT) processes occur on comparable ultrafast timescales, which makes it extremely challenging to understand the fundamental mechanism responsible for the near-unity quantum efficiency of the transfer. Here, we elucidate the role of quantum coherences in the ultrafast energy and CT in the PSII RC by performing two-dimensional (2D) electronic spectroscopy at the cryogenic temperature of 20 kelvin, which captures the distinct underlying quantum coherences. Specifically, we uncover the electronic and vibrational coherences along with their lifetimes during the primary ultrafast processes of energy and CT. We construct an excitonic model that provides evidence for coherent energy and CT at low temperature in the 2D electronic spectra. The principles could provide valuable guidelines for creating artificial photosystems with exploitation of system-bath coupling and control of coherences to optimize the photon conversion efficiency to specific functions.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.