期刊
JOURNAL OF NANOPARTICLE RESEARCH
卷 13, 期 12, 页码 7219-7228出版社
SPRINGER
DOI: 10.1007/s11051-011-0636-0
关键词
Porphyrin; Gold nanoparticles; Thioacetate; XPS; TEM; Biomedical applications
资金
- Fatih University Research Project Foundation [P50021004-2, P50020903-1]
In this study, the meso-tetra (p-hydroxyphenyl) porphyrin and meso-tetra (m-hydroxyphenyl) porphyrin were coated on to gold nanoparticles (AuNPs) via thioacetate anchors which easily dissociate to form S-Au bonds. 4-tert-butyl phenyl thioacetate-AuNPs were prepared and used as a monodentate passivant to control the size of the tetradentate porphyrin-AuNPs. The porphyrin-coated AuNPs were characterized by UV-Vis, TEM, XRD, and XPS analyses. The tetradentate porphyrin-AuNPs size is within a range of 5-15 nm in diameter with exotic shapes. The plausible network formation for AuNP@p-TPP-SAc and the capping structure of the AuNP@m-TPP-SAc have been suggested.
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