Chromium Ion Accumulations from Aqueous Solution by the <i>Eichorinia crassipes</i> Plant and Reusing in the Synthesis of Cr-Doped ZnO Photocatalyst

<div>The XPS analysis of (a) Zn 2p, (b) Cr 2p, and (c) O 1s for the D1 sample.</div>

Journal of Nanomaterials

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Figure 3: Chromium Ion Accumulations from Aqueous Solution by the <i>Eichorinia crassipes</i> Plant and Reusing in the Synthesis of Cr-Doped ZnO Photocatalyst 

Figure 3 | Chromium Ion Accumulations from Aqueous Solution by the Eichorinia crassipes Plant and Reusing in the Synthesis of Cr-Doped ZnO Photocatalyst 