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- Baykal, A.Fatih Univ, Istanbul, Turkey (author)
Synthesis and Characterization of Dendrimer-Encapsulated Iron and Iron-Oxide Nanoparticles
- Article/chapterEnglish2012
Publisher, publication year, extent ...
- 2012-02-09
- Springer Science and Business Media LLC,2012
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:kth-99066
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-99066URI
- https://doi.org/10.1007/s10948-012-1454-zDOI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
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Notes
- QC 20120719
- In this paper, a series of iron (Fe) containing nanoparticles were prepared by employing PAMAM (Poly(amidoamine), dendrimers with different generations (G0-G3) as templates and sodium borohydride as a reducing agent. The products have been characterized by TEM, FT-IR, XRD, VSM, TGA, and XPS. XRD analysis reveal low crystallinity of formed particles within the dendrimers, however, crystallinity of the nanoparticles was observed to increase with increasing generation of dendrimers. Dominant phases were determined as magnetite (Fe3O4 or maghemite, gamma-Fe2O3). XPS analysis revealed the chemical composition of nanoparticles as iron oxide which indicated the oxidation of Fe species subsequent to the reduction process, in agreement with XRD analysis. The magnetization curves have superparamagnetic nonhysteretic characteristic at lower fields and with nonsaturation characteristic at high fields. Magnetic evaluation of samples with the 20:1 molar ratio of Fe:PAMAM showed decreasing superparamagnetic character and decreasing saturation magnetisation with increasing generation of dendrimers.
Subject headings and genre
- NATURVETENSKAP Fysik Den kondenserade materiens fysik hsv//swe
- NATURAL SCIENCES Physical Sciences Condensed Matter Physics hsv//eng
- Dendrimers
- PAMAM
- Iron nanoparticles
- Magnetic properties
- XPS
Added entries (persons, corporate bodies, meetings, titles ...)
- Toprak, M. S.KTH,Funktionella material, FNM(Swepub:kth)u1u3m5a2 (author)
- Durmus, Z.Fatih Univ, Istanbul, Turkey (author)
- Senel, M.Fatih Univ, Istanbul, Turkey (author)
- Sozeri, H.Natl Metrol Inst, Gebze, Kocaeli, Turkey (author)
- Demir, A.Fatih Univ, Istanbul, Turkey (author)
- Fatih Univ, Istanbul, TurkeyFunktionella material, FNM (creator_code:org_t)
Related titles
- In:JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM: Springer Science and Business Media LLC25:5, s. 1541-15491557-19391557-1947
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- Baykal, A.
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