fig2

Figure 2. XPS spectra for Au 4f (A), Mn 2p (B), and O 1s (C) in MnO2-Au materials.
Figure 2. XPS spectra for Au 4f (A), Mn 2p (B), and O 1s (C) in MnO2-Au materials.
All published articles are preserved here permanently:
https://www.portico.org/publishers/oae/