Journal of Nanomaterials / 2015 / Article / Tab 2

Research Article

Crystallizing Vanadium Pentoxide Nanostructures in the Solid-State Using Modified Block Copolymer and Chitosan Complexes

Table 2

Summary of the morphology and size for V2O5 obtained from the PS-co-4-PVP·(VCl3)y and chitosan·(VCl3)y precursors in molar ratios 1 : 1, 1 : 5, and 1 : 10.

Ratio M/polymerMorphology (SEM)Shape, Size (TEM)

V/chitosan (1 : 1)Porous laminar, irregularIrregular NPs, 30–50 nm
V/chitosan (1 : 5)Regular nanorods, 50 nm × 2 μmRegular, 16 nm Ø
V/chitosan (1 : 10)Micro- and nanorods, 100–200 nmNanobelts, 30–60 nm
V/PS-co-4-PVP (1 : 1)PorousIrregular NPs, 10–25 nm Ø
V/PS-co-4-PVP (1 : 5)Irregular sheets Agglomerates
V/PS-co-4-PVP (1 : 10)Laminar zones Irregular cubic NPs, agglomerates