ArticleNature chemistry2023
Exciton annihilation in molecular aggregates suppressed through quantum interference.
Article in Nature chemistry, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 32 citations in OpenAlex.
- Selective Q‑Band Excitation Modulates Exciton-Exciton Annihilation in Tetra(ACS physical chemistry Au · 2026Article
- Cavity-modified exciton-exciton annihilation in disordered molecular systems.Physical chemistry chemical physics : PCCP · 2026Article
- Unlock lasing in two-dimensional metal halide perovskites by tuning nsScience advances · 2026Article
- Controlled assembly of two-dimensional porphyrin heterostructures toward directed energy transfer and charge separation.Nature communications · 2026Article
- Optical heterostructure in a two-dimensional organic crystal.Nature communications · 2025Article
- Efficient energy transfer in a hybrid organic-inorganic van der Waals heterostructure.Science advances · 2025Article
- Reduction of Exciton Diffusion Length with Genetically Tuned Non-Photochemical Quenching in Plant Thylakoid Membranes.The journal of physical chemistry letters · 2025Article
- Annihilation-limited long-range exciton transport in high-mobility conjugated copolymer films.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Aggregation pathway complexity in a simple perylene diimide.Scientific reports · 2024Article
- Optically accessible long-lived electronic biexcitons at room temperature in strongly coupled H- aggregates.Nature communications · 2024Article
- Control of Hybrid Exciton Lifetime in MoSeAdvanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
Corrections and comments
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Authors and funding
8 authors at 4 institutions in 2 countries.
Funding
Abstract
Exciton-exciton annihilation (EEA), an important loss channel in optoelectronic devices and photosynthetic complexes, has conventionally been assumed to be an incoherent, diffusion-limited process. Here we challenge this assumption by experimentally demonstrating the ability to control EEA in molecular aggregates using the quantum phase relationships of excitons. We employed time-resolved photoluminescence microscopy to independently determine exciton diffusion constants and annihilation rates in two substituted perylene diimide aggregates featuring contrasting excitonic phase envelopes. Low-temperature EEA rates were found to differ by more than two orders of magnitude for the two compounds, despite comparable diffusion constants. Simulated rates based on a microscopic theory, in excellent agreement with experiments, rationalize this EEA behaviour based on quantum interference arising from the presence or absence of spatial phase oscillations of delocalized excitons. These results offer an approach for designing molecular materials using quantum interference where low annihilation can coexist with high exciton concentrations and mobilities.
Identifiers
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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.