Journal
CRYSTENGCOMM
Volume 16, Issue 40, Pages 9461-9468Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ce00680a
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Funding
- Division of Chemical Science, Geosciences and Biosciences, Office of Basic Energy Sciences of the U.S. Department of Energy [DE-FG03-02ER15753]
- NSF [DMR-0645618, DMR-130792]
- National Research Foundation of Korea - Ministry of Education, Science and Technology [R31-10013]
- Alfred P. Sloan Foundation
- NRF through the National Creative Research Initiative Center for Intelligent Hybrids [2010-0018290]
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The synthesis of a ferromagnetic heterostructured material consisting of a CdSe@CdS nanorod attached to a single dipolar cobalt nanoparticle (CoNP) into a matchstick morphology is reported. CdSe@CdS nanorods were modified by an activation reaction with Pt(acac)(2) which enabled selective one-sided deposition of a dipolar metallic CoNP-tip via the thermolysis of Co-2(CO)(8) in the presence of polystyrene ligands. Small (<2 nm) PtNP-tips on CdSe@CdS nanorods were found to be responsible for the selective deposition of CoNP-tips onto one terminus per nanorod. The influence of the Pt-activation step for cobalt tipping was investigated by examination of numerous conditions and characterization of intermediates and materials using transmission electron microscopy and synchrotron X-ray diffraction.
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