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5 March 2021 Influence of thiol ligands on the ZnSe magic-sized cluster formation
K. David Wegner, Ines Häusler, Sigrid Benemann, Vasile-Dan Hodoroaba, Dominik Al-Sabbagh, Franziska Emmerling, Ute Resch-Genger
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Proceedings Volume 11659, Colloidal Nanoparticles for Biomedical Applications XVI; 116590M (2021) https://doi.org/10.1117/12.2583384
Event: SPIE BiOS, 2021, Online Only
Abstract
The unique optoelectronic properties of semiconductor nanocrystals (quantum dots, QDs), have led to many advances in optoelectronic devices, bioimaging, and biosensing. Recent studies have shown that atomically defined, zero-dimensional magic-size clusters (MSCs) play a crucial role during the nucleation and growth of QDs. A major challenge is the preparation of the MSCs in single-ensemble form without coexistence of other-size QDs. Here we present a heat-up one-pot synthesis approach for the preparation of single-sized ZnSe MSCs. By using the thiol ligand 1-dodecanethiol, we could obtain new insights into the complex interplay of precursors and ligands during MSCs formation.
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K. David Wegner, Ines Häusler, Sigrid Benemann, Vasile-Dan Hodoroaba, Dominik Al-Sabbagh, Franziska Emmerling, and Ute Resch-Genger "Influence of thiol ligands on the ZnSe magic-sized cluster formation", Proc. SPIE 11659, Colloidal Nanoparticles for Biomedical Applications XVI, 116590M (5 March 2021); https://doi.org/10.1117/12.2583384
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KEYWORDS
Zinc
Ions
Luminescence
Nanocrystals
Optoelectronic devices
Optoelectronics
Photocatalysis
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