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Journal of Nanomaterials
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Journal of Nanomaterials
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2015
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Article
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Fig 3
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Research Article
Synthesis of Monodisperse Walnut-Like SnO
2
Spheres and Their Photocatalytic Performances
Figure 3
SEM images of the SnO
2
products prepared with 4 M KOH for (a) 4 h, (b) 6 h, (c) 12 h, and (d) 15 h.
(a)
(b)
(c)
(d)