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. 2021 Sep 28;12(4):53. doi: 10.3390/jfb12040053

Figure 1.

Figure 1

The FTIR spectrum of the CuO/CeO2 NCs (1, absorbed H2O or O–H stretching; 2, C–H stretching; 3, O–H stretching; 4, Ce–O–Ce vibration; 5, Ce–O/Cu–O vibration).