ArticleNature communications2021
Dynamic lattice distortions driven by surface trapping in semiconductor nanocrystals.
Article in Nature communications, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
What it found
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
9 citing papers in PubMed.
- Tracking Thermal Transport in Colloidal Quantum Dot Films Using in Situ Time-Resolved X-ray Diffraction.Nano letters · 2026Article
- Engineering Schottky Junction Nanocatalysts for Enhanced Charge Carrier Separation and Synergistic PDT/PTT/CDT in Bladder Cancer Therapy.ACS biomaterials science & engineering · 2025Review
- Vibronically Coherent Exciton Trapping in Monolayer WSACS nano · 2025Article
- Ultrafast Symmetry Control in Photoexcited Quantum Dots.Advanced materials (Deerfield Beach, Fla.) · 2025Article
- Bright and durable scintillation from colloidal quantum shells.Nature communications · 2024Article
- A comparative review of time-resolved x-ray and electron scattering to probe structural dynamics.Structural dynamics (Melville, N.Y.) · 2024Review
- Localised surface plasmon resonance inducing cooperative Jahn-Teller effect for crystal phase-change in a nanocrystal.Nature communications · 2023Article
- Review
- Ultra-small PbS nanocrystals as sensitizers for red-to-blue triplet-fusion upconversion.Chemical science · 2021Article
Corrections and comments
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Authors and funding
29 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Nonradiative processes limit optoelectronic functionality of nanocrystals and curb their device performance. Nevertheless, the dynamic structural origins of nonradiative relaxations in such materials are not understood. Here, femtosecond electron diffraction measurements corroborated by atomistic simulations uncover transient lattice deformations accompanying radiationless electronic processes in colloidal semiconductor nanocrystals. Investigation of the excitation energy dependence in a core/shell system shows that hot carriers created by a photon energy considerably larger than the bandgap induce structural distortions at nanocrystal surfaces on few picosecond timescales associated with the localization of trapped holes. On the other hand, carriers created by a photon energy close to the bandgap of the core in the same system result in transient lattice heating that occurs on a much longer 200 picosecond timescale, dominated by an Auger heating mechanism. Elucidation of the structural deformations associated with the surface trapping of hot holes provides atomic-scale insights into the mechanisms deteriorating optoelectronic performance and a pathway towards minimizing these losses in nanocrystal devices.
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Registered trials
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