Abstract

We report a facile process to fabricate films of compact and aligned iron oxyhydroxide nanorod arrays grown on amorphous glass substrate. A seed layer was pre-coated on glass substrate by drop-coating and post thermal decomposition of ferric acetate to drive the growth of nanorod arrays in aqueous solution below 100°C. The average diameter of the nanorods was 70nm and length was between 250nm and 1.5μm depending on the growth condition. X-ray diffraction analyses revealed that nanorods grew along the [100] direction. The results showed that the seed layer played a critical role in fabrication the aligned nanorod arrays on glass substrate and the length of the nanorods can be changed by controlling the pH of the solution.

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