Figure 1 | Scientific Reports

Figure 1

From: Ultra-small and highly dispersive iron oxide hydroxide as an efficient catalyst for oxidation reactions: a Swiss-army-knife catalyst

Figure 1

FTIR spectra of α-FeOOH, β-FeOOH, γ-FeOOH, δ-FeOOH, and 1. The data of FTIR spectra for different FeOOH phases are from ref. 20 (a). XRD patterns for 1 (blue) and δ-FeOOH (black) (Ref. code.: 00–013-0518) (b). The smoothing XRD pattern for 1 is shown in red (b). DLS for 1 (13 μM) (c). UV–Visible spectra of 1 22.4 nM (black), 33.6 nM (red), 44.8 nM (green), and 67.2 nM (blue) (d). Insert showed a photograph of 1 in a test tube.

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