Abstract
Green synthesis and characterization of palladium nanoparticles and its conjugates from solanum trilobatum leaf extract
Highlights
In modern nanoscience and nanotechnology the production of nanomaterials with the preferred quality is one of the most stimulating aspects
In this work we have shown the ability of the solanum phytochemicals to interact with palladium chloride ions and reduce them to form palladium nanoparticles
We have deduced from these observations that the aggregation of palladium nanoparticles and thiol-capped palldium nanoparticles in our present work could be due to the high Pd=C18:H37:SH molar ratios resembling the formation of thiol-protected gold nanoparticles [34]
Summary
Synthesis of palladium nanoparticles from Solanum trilobatum leaf extract The broth used for reduction of PdCl2 ions to palladium was prepared by taking 20 g of thoroughly washed and finely cut Solanum trilobatum leaves in a 500 ml Erlenmeyer flask with 100 ml sterile distilled water and boiling the mixture for 1 min. The reaction media offered a change in color from yellow (before the addition of palladium chloride, see Fig. 1a) to brown (after complete reduction of PdCl2 ions in the solanum leaf broth-Fig. 1b). The stability of palladium nanoparticles can be attributed to the formation of stable bonding between metallic palladium and reducing sugars, the phytochemicals such as saponins, tannins, terepenoids, flavonoids, anthocyanins, betacyanins, proteins and steroids and phenolic acids present in the leaf broth of Solanum trilobatum [30]. 2009 [31] hypothesized terpenoids to be the surface-active molecules that stabilized the palladium
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