Figure 1.

Spectra from ToF-SIMS analysis in positive ion mode of a DAG standard (top) and TAG standard (bottom) washed in H2O using 40 keV (CO2)6k+ at a primary ion dose of 2 × 1013 ions/cm2.

Spectra from ToF-SIMS analysis in positive ion mode of a DAG standard (top) and TAG standard (bottom) washed in H2O using 40 keV (CO2)6k+ at a primary ion dose of 2 × 1013 ions/cm2.