5.1 Observations
85
Fig. 5.3 STM images of Au adatoms on a TiO 2 (110) [32] and b CeO 2 (111) [33] surfaces. c TEM
image of Pt [34] adatoms on TiO 2 (110) surfaces. Au prefers sites of atop oxygen vacancy with high
protrusion but Pt prefers the subsurface positions contrastingly. d Laplace filtered and the real TEM
image of Ni grown on graphene edge [35]. Reprinted with permission from [32–35]
acceptor which turns the interface into intrinsic. Beyond a certain submonolayer Pt
coverage, Pt-InSe reaction gives rise to localized states within the InSe band gap
coming from the InSe valence band maximum. The Pt 4f, In 4d, and the Se 3d core
levels show consistent negative shift when the thickness of the Pt adlayer increases
[30].
5.2 ZPS of Pt and Rh Adatoms: Catalytic Nature
Application of the BOLS-ZPS strategy shown in this section resolves readily the
mechanism of single-atom catalysis and the acceptor- and donor-like catalyst. The
ZPS distills directly the E ν (12) as a spectral valley, and the entrapment and polarization as the DOS gain for the even undercoordinated adatoms, defects, kinks,
85
Fig. 5.3 STM images of Au adatoms on a TiO 2 (110) [32] and b CeO 2 (111) [33] surfaces. c TEM
image of Pt [34] adatoms on TiO 2 (110) surfaces. Au prefers sites of atop oxygen vacancy with high
protrusion but Pt prefers the subsurface positions contrastingly. d Laplace filtered and the real TEM
image of Ni grown on graphene edge [35]. Reprinted with permission from [32–35]
acceptor which turns the interface into intrinsic. Beyond a certain submonolayer Pt
coverage, Pt-InSe reaction gives rise to localized states within the InSe band gap
coming from the InSe valence band maximum. The Pt 4f, In 4d, and the Se 3d core
levels show consistent negative shift when the thickness of the Pt adlayer increases
[30].
5.2 ZPS of Pt and Rh Adatoms: Catalytic Nature
Application of the BOLS-ZPS strategy shown in this section resolves readily the
mechanism of single-atom catalysis and the acceptor- and donor-like catalyst. The
ZPS distills directly the E ν (12) as a spectral valley, and the entrapment and polarization as the DOS gain for the even undercoordinated adatoms, defects, kinks,