Dynamics of excitons in conjugated molecules and organic semiconductor systems

OP Dimitriev - Chemical Reviews, 2022 - ACS Publications
The exciton, an excited electron–hole pair bound by Coulomb attraction, plays a key role in
photophysics of organic molecules and drives practically important phenomena such as …

Quantum biology revisited

J Cao, RJ Cogdell, DF Coker, HG Duan, J Hauer… - Science …, 2020 - science.org
Photosynthesis is a highly optimized process from which valuable lessons can be learned
about the operating principles in nature. Its primary steps involve energy transport operating …

Quantum biology: An update and perspective

Y Kim, F Bertagna, EM D'souza, DJ Heyes… - Quantum …, 2021 - mdpi.com
Understanding the rules of life is one of the most important scientific endeavours and has
revolutionised both biology and biotechnology. Remarkable advances in observation …

Identification and characterization of diverse coherences in the Fenna–Matthews–Olson complex

E Thyrhaug, R Tempelaar, MJP Alcocer, K Žídek… - Nature …, 2018 - nature.com
The idea that excitonic (electronic) coherences are of fundamental importance to natural
photosynthesis gained popularity when slowly dephasing quantum beats (QBs) were …

Ultrafast laser spectroscopy uncovers mechanisms of light energy conversion in photosynthesis and sustainable energy materials

D Zigmantas, T Polívka, P Persson… - Chemical Physics …, 2022 - pubs.aip.org
The invention of the laser in 1960 gave us the ruby laser, which generally produced chaotic
pulses of light. Six years later, in 1966, a concept called passive mode-locking applied to …

Spatially-resolved fluorescence-detected two-dimensional electronic spectroscopy probes varying excitonic structure in photosynthetic bacteria

V Tiwari, YA Matutes, AT Gardiner, TLC Jansen… - Nature …, 2018 - nature.com
Conventional implementations of two-dimensional electronic spectroscopy typically spatially
average over~ 1010 chromophores spread over~ 104 micron square area, limiting their …

Influence of vibronic coupling on ultrafast singlet fission in a linear terrylenediimide dimer

JD Schultz, JY Shin, M Chen, JP O'Connor… - Journal of the …, 2021 - ACS Publications
Singlet fission (SF) is a photophysical process capable of boosting the efficiency of solar
cells. Recent experimental investigations into the mechanism of SF provide evidence for …

Tracking ultrafast reactions in organic materials through vibrational coherence: vibronic coupling mechanisms in singlet fission

W Kim, AJ Musser - Advances in Physics: X, 2021 - Taylor & Francis
ABSTRACT A multitude of ultrafast photoinduced reactions in organic semiconductors are
governed by the close interplay between nuclear and electronic degrees of freedom. From …

Hidden vibronic and excitonic structure and vibronic coherence transfer in the bacterial reaction center

VR Policht, A Niedringhaus, R Willow, PD Laible… - Science …, 2022 - science.org
We report two-dimensional electronic spectroscopy (2DES) experiments on the bacterial
reaction center (BRC) from purple bacteria, revealing hidden vibronic and excitonic …

Both electronic and vibrational coherences are involved in primary electron transfer in bacterial reaction center

F Ma, E Romero, MR Jones, VI Novoderezhkin… - Nature …, 2019 - nature.com
Understanding the mechanism behind the near-unity efficiency of primary electron transfer
in reaction centers is essential for designing performance-enhanced artificial solar …