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- Title
One-pot/three-step synthesis of zinc-blende CdSe/CdS core/shell nanocrystals with thick shells.
- Authors
Niu, Yuan; Pu, Chaodan; Lai, Runchen; Meng, Renyang; Lin, Wanzhen; Qin, Haiyan; Peng, Xiaogang
- Abstract
A one-pot/three-step synthetic scheme was developed for phase-pure epitaxy of CdS shells on zinc-blende CdSe nanocrystals to yield shells with up to sixteen monolayers. The key parameters for the epitaxy were identified, including the core nanocrystal concentration, solvent type/composition, quality of the core nanocrystals, epitaxial growth temperature, type/concentration of ligands, and composition of the precursors. Most of these key parameters were not influential when the synthetic goal was thin-shell CdSe/CdS core/shell nanocrystals. The finalized synthetic scheme was reproducible at an almost quantitative level in terms of the crystal structure, shell thickness, and optical properties.
- Publication
Nano Research, 2017, Vol 10, Issue 4, p1149
- ISSN
1998-0124
- Publication type
Article
- DOI
10.1007/s12274-016-1287-3