Abstract
Poly(1-methylpyrrol-2-yl)squaraine (PMPS) particles have been characterised using SEM. The PMPS particles were used as templates to prepare bare silica and iron-silica hollow spheres, which were characterised using TEM and SEM. The PMPS particles and the hollow spheres are not uniformly sized and are agglomerated. The hollow spheres with larger diameters (>900 nm) contain an internal 'Russian doll' structure. The iron-silica hollow spheres are fused to one another, and the hollow spheres have a heterogeneous wall thickness. The silica and iron silica hollow spheres both aggregate by size. There are two different size populations (for the diameter) of the bare silica and iron-silica hollow spheres. The smaller silica spheres have thinner walls compared to the larger silica hollow spheres. The larger silica hollow spheres and the iron-silica hollow spheres have similar wall thicknesses. The iron compound in the iron-silica hollow spheres has an oxidation state of 3+ and is crystalline.
Original language | English |
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Pages (from-to) | 3697-3706 |
Number of pages | 10 |
Journal | Journal of Materials Science |
Volume | 45 |
Issue number | 14 |
DOIs | |
Publication status | Published - 1 Jul 2010 |
Keywords
- age hardened
- shear strength
- Plate impact
- solution treatment
- 6061