Controlled synthesis of α- and γ-Fe2O3 nanoparticles via thermolysis of PVA gels and studies on α-Fe2O3 catalyzed styrene epoxidation
Fe2O3 nanoparticles with diameters in the 7–18 nm range have been synthesized via thermolysis of polyvinyl alcohol (PVA) gels prepared under alkaline pH by adding Fe3+ ions into warm aqueous solutions of PVA. While calcinations at 400 °C, 500 °C and 600 °C give γ-Fe2O3 as the pure product, α-Fe2O3 i...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2017-01-01
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Series: | Journal of Saudi Chemical Society |
Subjects: | |
Online Access: | http://www.sciencedirect.com/science/article/pii/S1319610314000106 |