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231223s2008 xx |||||o 00| ||eng c |
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|a 10.1021/la802805w
|2 doi
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|a pubmed24n0612.xml
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|a eng
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| 100 |
1 |
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|a Zhang, Hai-Tao
|e verfasserin
|4 aut
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| 245 |
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|a Engineering inorganic hybrid nanoparticles
|b tuning combination fashions of gold, platinum, and iron oxide
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|c 2008
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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| 500 |
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|a Date Completed 09.01.2009
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|a Date Revised 13.11.2008
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Multistep colloidal chemical routes were employed to synthesize Pt/Au, Pt/iron oxide (IO), and Au/Pt/IO hybrid nanoparticles (NPs). The starting templates, Pt NPs, were synthesized by controlling the decomposition kinetics of platinum acetylacetonate in oleylamine. The morphologies of binary metal Pt/Au hybrid NPs were modulated by controllable attachment of Au nanoscale domains to Pt templates. Similarly, Pt/IO and Au/Pt/IO hybrid NPs were fabricated by the controllable attachment of Fe to the Pt or Pt/Au template NPs. The noble metal domains of as-prepared hybrid NPs had face center cubic crystal structures and did not alloy, as verified by high resolution transmission electron microscopy and X-ray diffraction spectrometry. X-ray diffraction spectrometry study indicates that the IO domains in the as-prepared NPs have a spinel structure. UV-vis study of binary metal Pt/Au hybrid NPs revealed that they have a characteristic plasmon resonance around 525 nm, while dumbbell-like Au/Pt/IO NPs had a plasmon resonance around 600 nm. Furthermore, magnetism study of the binary Pt-IO NPs clearly indicated that the interfacial interactions between Pt and IO domains could result in a shift of the blocking temperature
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|a Journal Article
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| 700 |
1 |
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|a Ding, Jun
|e verfasserin
|4 aut
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| 700 |
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|a Chow, Gan-Moog
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dong, Zhi-Li
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 24(2008), 22 vom: 18. Nov., Seite 13197-202
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:24
|g year:2008
|g number:22
|g day:18
|g month:11
|g pages:13197-202
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| 856 |
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|u http://dx.doi.org/10.1021/la802805w
|3 Volltext
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