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International Journal of Photoenergy
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International Journal of Photoenergy
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2014
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Article
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Fig 2
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Research Article
Sol-Gel to Prepare Nitrogen Doped TiO
2
Nanocrystals with Exposed {001} Facets and High Visible-Light Photocatalytic Performance
Figure 2
TEM pictures of all samples ((a) S1-500, (b) S2-500, (c) S3-500, and (d) S4-500).
(a)
(b)
(c)
(d)