Abstract
In this work, cellulose films pre-activated with carbonyldiimidazole (CDI) and grafted with 1,6-hexanediamine, were decorated with silver nanoparticles (AgNPs). The generation of AgNPs was followed by quartz crystal microbalance (QCM). The obtained films were characterized by X-Ray Photoelectron Spectroscopy (XPS) and imaged by atomic force microscopy (AFM). XPS confirmed the synthesis in situ of AgNPs on the film attesting their oxidation state. The results from the three techniques were compared showing how sound the quantitative treatment of the results issued from these techniques can be. The main objective of this work is exactly to show that the quantitative exploration of the results of different characterization techniques can and should be practiced systematically instead of just comparing them qualitatively.
Highlights
The use of a large battery of techniques to characterize a given system is, recently, a common approach
An example dealing with the functionalization of cellulose films with metallic nanoparticles will be used to exemplify how quantitative these studies can be
The growth of NPs was followed by quartz crystal microbalance (QCM) and the QCM crystal with the hybrid film was imaged by atomic force microscopy (AFM)
Summary
The use of a large battery of techniques to characterize a given system is, recently, a common approach. For the study of systems involving surface functionalization, several microscopies (atomic force microscopy, AFM; scanning electron microscopy, SEM) as well as mass measuring tools (quartz crystal microbalance, QCM) and surface-specific spectroscopic techniques such as X-ray photoelectron spectroscopy (XPS) are frequently used together. Their quantitative use to test how their different probing range can enrich the obtained information is rare. An example dealing with the functionalization of cellulose films with metallic nanoparticles will be used to exemplify how quantitative these studies can be
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