ArticleNano letters2025
Surface Defects and Symmetry Breaking Impact on the Photoluminescence of InP Quantum Dots.
Article in Nano letters, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed.
- Excitonic and Optical Transduction Mechanisms in Quantum Dot Sensors for Environmental Pollutant Detection.Sensors (Basel, Switzerland) · 2026Review
- Article
- Atomistic Origin of Photoluminescence Quenching in Colloidal MoSNano letters · 2026Article
- Multifunctional Colloidal Quantum Dots-Based Light-Emitting Devices for On-Chip Integration.Nanomaterials (Basel, Switzerland) · 2025Review
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
To fully uncover the potential of indium phosphide (InP) quantum dots (QDs) for optoelectronics, it is crucial to understand how surface defects impact their photoluminescence (PL). To address this question, we investigate the excitonic properties of defective InP QDs using two-component density functional theory and screened configuration interaction singles. In agreement with earlier observations, we identify 3-fold coordinated phosphorus surface atoms, which function as hole traps, as the major contributors to PL. Additionally, we find that electron traps of 3-fold coordinated indium atoms, quenching the band-edge PL, can further contribute to trap PL, if they lie within the single-particle gap. Importantly, our calculations reveal that surface-induced symmetry breaking leads to fundamentally different exciton fine structures in excellent agreement with measurements. This study underscores the significant influence of surface imperfections on InP QD PL and provides a refined framework for interpreting their optical properties.
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