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. 2016 Mar 21;6:23435. doi: 10.1038/srep23435

Figure 2. Morphological characterization of the as-prepared samples.

Figure 2

(a–d) SEM, (e–h) low-magnification, and (i–l) HR-TEM images of (BiO)2CO3, BOC-400, BOC-450, and Bi2O3, respectively. (m) SEM image of BOC-450 heterojunction and the corresponding (n–p) elemental X-ray mapping for bismuth, carbon, and oxygen elements.