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SnO 2 nanowhiskers were synthesized by thermal oxidation with and without a gold film as a catalyst. The SEM images reveal wire-like and rod-shaped nanowhiskers about several hundred micrometers in length and 100nm in diameter. The three observed Raman peaks at 474, 632, and 774cm −1 indicate the typical rutile phase which is in agreement with the X-ray diffraction results. The photoluminescence...
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