Configuration

Ionization energy/eV

Formation energy/eV

Work function/eV

Model 1

0.625

3.460

5.6013

Model 2

0.448

4.197

5.5831

Model 3

0.334

4.019

5.5950

Model 4

0.316

4.138

5.6285

Pure

-

-

5.3500

Ag doping bulk ZnO

0.346

4.216

-