Table 2 Calculated work function for perfect SnO, SnO with an atomic concentration of 2% Sn vacancies, PbO, PbO with an atomic concentration of 2% oxygen vacancies.

From: Electronic properties of the Sn1−xPbxO alloy and band alignment of the SnO/PbO system: a DFT study

Structure

WF (eV)

SnO

5.8

SnO + VSn

6.2

PbO

4.3

PbO + VOx

3.8