ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2018
Precursor Self-Assembly Identified as a General Pathway for Colloidal Semiconductor Magic-Size Clusters.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed.
- Prenucleation Clusters in Shell Formation of Photoluminescent Core/Shell Quantum Dots of Heavy-Metal-Free ZnTeSe/ZnSe.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
- Spectroscopic Evidence in Optical Absorption for the Formation and Transformation of Prenucleation Clusters of CdS Quantum Dots.ACS central science · 2026Article
- Nucleation-Controlled Doping of II-VI Semiconductor Nanocrystals Mediated by Magic-Sized Clusters.Small science · 2025Article
- Covalent inorganic complexes enabled zinc blende to wurtzite phase changes in CdSe nanoplatelets.Chemical science · 2023Article
- Direct and Indirect Pathways of CdTeSe Magic-Size Cluster Isomerization Induced by Surface Ligands at Room Temperature.ACS central science · 2023Article
- Effect of One-Coordinated Atoms on the Electronic and Optical Properties of ZnSe Clusters.ACS omega · 2021Article
- Evolution of Photoluminescent CdS Magic-Size Clusters Assisted by Adding Small Molecules with Carboxylic Group.ACS omega · 2021Article
- First Synthesis of Mn-Doped Cesium Lead Bromide Perovskite Magic Sized Clusters at Room Temperature.The journal of physical chemistry letters · 2020Article
- Formation of colloidal alloy semiconductor CdTeSe magic-size clusters at room temperature.Nature communications · 2019Article
- Precursor Self-Assembly Identified as a General Pathway for Colloidal Semiconductor Magic-Size Clusters.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2018Article
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12 authors.
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Abstract
Little is known about the formation pathway of colloidal semiconductor magic-size clusters (MSCs). Here, the synthesis of the first single-ensemble ZnSe MSCs, which exhibit a sharp optical absorption singlet peaking at 299 nm, is reported; their formation is independent of Zn and Se precursors used. It is proposed that the formation of MSCs starts with precursor self-assembly followed by Zn and Se covalent bond formation to result in immediate precursors (IPs) which can transform into the MSCs. It is demonstrated that the IPs in cyclohexane appear transparent in optical absorption, and become visible as MSCs exhibiting one sharp optical absorption peak when a primary amine is added at room temperature. It is shown that when the preparation of the IP is controlled to be within the induction period, which occurs prior to nucleation and growth of conventional quantum dots (QDs), the resulting MSCs can be produced without the complication of the simultaneous coproduction of conventional QDs. The present study reveals the existence of precursor self-assembly which leads to the formation of colloidal semiconductor MSCs and provides insights into a multistep nucleation process in cluster science.
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