Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 18, Issue 36, Pages 4311-4317Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b804154g
Keywords
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Funding
- German research foundation [PA794/3-1]
- Max Planck Society
- International Graduate School at the Center for Nanoscience
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Colloidal hybrid nanoparticles with blebs of II-VI and IV-VI particles on top of FePt particles were successfully grown. Whereas in the case of XE = CdS, ZnS, PbS and CdSe, FePt-XE dimer structures were successfully obtained, the growth failed for XE = ZnSe, PbSe. Structural, magnetic, and optical analysis of the structures revealed a moderate influence of the semiconductor domain on the magnetic properties of the FePt core particle, which can be ascribed to the effect of annealing conditions, atom diffusion and compositional variations during heterostructure formation. On the other hand, we report a significant fluorescence quenching of the semiconductor bleb due to the underlying FePt particle.
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