Fig. 3
From: Atomically dispersed nickel as coke-resistant active sites for methane dry reforming
In-Situ XPS analysis of Ni/HAP and Ni/HAP-Ce samples. a High resolution Ni 2p XP spectra of as-prepared and in situ reduced: 0.5Ni1/HAP, b 0.5Ni1/HAP-Ce, c 10Ni/HAP, and d 10Ni/HAP-Ce
