Research Article
Ag-Cu Bimetallic Nanoparticles Prepared by Microemulsion Method as Catalyst for Epoxidation of Styrene
Table 2
Binding energies of catalysts determined by XPS.
| | Molar ratio | Ag3d5/2 (eV) | Ag3d3/2 (eV) | Cu2p3/2 (eV) | Cu2p1/2 (eV) |
| | Ag/Cu = 1/0 | 368.1 | 374.1 | — | — | | Ag/Cu = 3/1 | 368.6 | 374.2 | 932.5 | 955.7 | | Ag/Cu = 1/1 | 368.8 | 374.4 | 933.7 | 957.1 | | Ag/Cu = 1/3 | 368.2 | 374.2 | 933.0 | 953.8 | | Ag/Cu = 0/1 | — | — | 932.4 | 953.2 |
|
|
