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5 March 2021 Influence of thiol ligands on the ZnSe magic-sized cluster formation
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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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© (2021) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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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