Fig. 9

Work function (in eV units) before (horizontal dashed line) and after (histograms) the adsorption of seven VOCs, related to GC biomarkers, on N-CNR: Fe.

Work function (in eV units) before (horizontal dashed line) and after (histograms) the adsorption of seven VOCs, related to GC biomarkers, on N-CNR: Fe.