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Spin Qubits Silicon Quantum Computing

Unlocking Subunit Cell Precision Overgrowth in CsPbBr(3) Quantum Dots.

PubMed
Authors: Gahlot K, Ederle D, Stickel LS, Döblinger M, Akkerman QA

Year

2026

Paper ID

45133

Status

Peer-reviewed

Abstract Read

~2 min

Abstract Words

98

Citations

N/A

Abstract

Perovskite quantum dots (pQDs) combine highly tunable optical properties with facile solution-phase synthesis, transforming both classical and quantum light-driven applications. However, heterogeneous overgrowth in pQDs remains challenging, especially for small QDs (<10 nm). Here, we demonstrate the precision overgrowth of CsPbBr QD seeds using stepwise injection and quasi-continuous precursor injections. We found that higher ligand coordination suppresses burst nucleation and directs the reaction toward heterogeneous nucleation, allowing for submonolayer thickness control. Together, these insights outline how ligand strength, monomer availability, and thermal energy collectively govern overgrowth behavior, providing a clear design framework for the controlled synthesis of colloidal perovskites.

Why This Paper Matters

  • This paper contributes to the Spin Qubits & Silicon Quantum Computing research area in the Quantum Articles archive.
  • It adds a 2026 reference point for readers tracking recent quantum research.
  • Perovskite quantum dots (pQDs) combine highly tunable optical properties with facile solution-phase synthesis, transforming both classical and quantum light-driven applications.

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References & Citation Signals

[1] DOI https://doi.org/10.1021/jacs.5c23332 [2] Publisher https://pubmed.ncbi.nlm.nih.gov/41881522/

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