One-pot synthesis of gold nanoparticles using tetradentate porphyrins |
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| Authors: | Fatma K Canitez Mustafa S Yavuz Ramazan Ozturk |
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| Institution: | (1) Department of Chemistry, Fatih University, Istanbul, Turkey;(2) Metallurgy and Materials Engineering and Advanced Technology Research and Application Center, Selcuk University, 42075 Konya, Turkey; |
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| Abstract: | 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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