Skip to main content
. 2021 Jun 15;13:144. doi: 10.1007/s40820-021-00667-7

Fig. 4.

Fig. 4

(a, b) XRD patterns of GCA–M0.2–Y and GCA–M0.3–Y, respectively. (c, d) Raman spectra of GCA–M0.2–Y and GCA–M0.3–Y, respectively. (e) Thermogravimetric curves of GCA–M0.3–10 and GCA–M0.2–10. (f) XPS survey spectra of GCA–M0.3–0 and GCA–M0.3–20. (g, h) High resolution XPS spectra of Ni 2p and Fe 2p for GCA–M0.2–Y and GCA–M0.3–Y