Probing capping mechanisms and polymer matrix loading of biogenic vaterite CaCO3–Ag hybrid through X-ray photoelectron spectroscopy (XPS)
Mohammad Hossein Azarian,
Supinya Nijpanich,
Narong Chanlek
et al.
Abstract:XPS revealed Ag+ and Ag0 in biogenic vaterite CaCO3–Ag microspheres. CMC and PSS capping agents influenced Ag species distribution. Polymorph transformations and vaterite's stability were highlighted.
A highly fluorescent quinone-capped silver hydrosol (AgOSA) was obtained employing salicylaldehyde and ionic silver solution. Such metal-enhanced fluorescence was efficiently quenched with congo red dye (CR) producing CRAgOSA, due to...
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