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Fig. 7 | Nanoscale Research Letters

Fig. 7

From: A Facile One-Pot Synthesis of Biomimetic Photocatalyst Zn(II)-Porphyrin-Sensitized 3D TiO2 Hollow Nanoboxes and Synergistically Enhanced Visible-Light Degradation

Fig. 7

a The full spectra of all kinds of elements in sample TiO2-HNBs and T-2p; b the high-resolution Ti 2p XPS signals of TiO2-HNBs and T-2p; c the O1s XPS signals of TiO2-HNBs and T-2p; d the C1s O1s XPS signals of TiO2-HNBs and T-2p; e the N1s XPS signals of T-2p; f the Zn 2p XPS signals of T-2p; g the C XPS-peak-differentation-imitating analysis

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