Figure 3.
XPS survey-scan spectrum of samples before (TeCd-p) and after thermal treatment (TeCd-600) and after leaching for 2 h at 50 °C in 1 M H2SO4 (TeCd-600 H2SO4), 3 M HNO3 (TeCd-600 HNO3), and 30% H2O2 (TeCd-600 H2O2).
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