Rational Donor Placement into a Native Exciton Manifold: Cavity-Anchored Dyes Drive Sub-Picosecond Energy Transfer in Light-Harvesting Complex 2

Ryoga Morishita; Rio Tsuji; Seiya Takamori; Tetsuya Yamamoto; Sora Ishikawa; Risa Kojima; Masaharu Kondo; Takeshi Yanai; Kazuhiro J. Fujimoto; Yutaka Nagasawa; Takehisa Dewa

doi:10.1039/d6cp00896h

January 1, 2026Physical Chemistry Chemical Physics

Rational Donor Placement into a Native Exciton Manifold: Cavity-Anchored Dyes Drive Sub-Picosecond Energy Transfer in Light-Harvesting Complex 2

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Key Points

The study aims to expedite energy transfer processes in artificial light-harvesting systems through strategic donor placement.
Utilized purple bacterial light-harvesting complex 2 (LH2) from Rhodobacter sphaeroides as a scaffold.
Investigated the effects of cavity-anchored dyes on energy transfer dynamics.
Analyzed structural arrangements for optimizing excitation-energy transfer.
Demonstrated sub-picosecond energy transfer in optimized light-harvesting configurations.
Achieved significantly improved energy transfer rates compared to previous designs.

Implication

Demonstrates ultrafast energy transfer in light-harvesting complex 2, suggesting improved designs for exciton-based systems.

Abstract

Achieving ultrafast excitation-energy transfer (EET) through rational structural design remains a major challenge in artificial exciton-based architectures. Purple bacterial light-harvesting complex 2 (LH2) from Rhodobacter sphaeroides provides a protein-scaffolded acceptor assembly: the B850...

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Cite This Study

Morishita et al. (2026) studied this question.

synapsesocial.com/papers/6a2cf528faef96ed7f057494 https://doi.org/10.1039/d6cp00896h

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Rational Donor Placement into a Native Exciton Manifold: Cavity-Anchored Dyes Drive Sub-Picosecond Energy Transfer in Light-Harvesting Complex 2

Key Points

Implication

Abstract

Discussion

Cite This Study

Rational Donor Placement into a Native Exciton Manifold: Cavity-Anchored Dyes Drive Sub-Picosecond Energy Transfer in Light-Harvesting Complex 2

Key Points

Implication

Abstract

Discussion

Cite This Study

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