Element | Work Function / eV |
Aluminium | 4.08 |
Beryllium | 5 |
Cadmium | 4.07 |
Calcium | 2.9 |
Carbon | 4.81 |
Caesium | 2.1 |
Cobalt | 5 |
Copper | 4.7 |
Gold | 5.1 |
Iron | 4.5 |
Lead | 4.14 |
Magnesium | 3.68 |
Mercury | 4.5 |
Nickel | 5.01 |
Niobium | 4.3 |
Potassium | 2.3 |
Platinum | 6.35 |
Selenium | 5.11 |
Silver | 4.73 |
Sodium | 2.28 |
Uranium | 3.6 |
Zinc | 4.3 |
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