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1、常见金属的功函数集中，以备查询MetalWork Function （eV）银 Ag (silver)4.26铝 Al (aluminum)4.28金 Au (gold)5.1铯 Cs (cesium)2.14铜 Cu (copper)4.65锂 Li (lithium)2.9铅 Pb (lead)4.25锡 Sn (tin)4.42铬 Cr (Chromium)4.6钼 Mo(Molybdenum)4.37钨 Tungsten4.5镍 Nickel4.6钛 Titanium4.33铍 Beryllium5.0镉 Cadmium4.07钙 Calcium2.9碳 Carbon4.81钴 Cob
2、alt5.0钯 Pd(Palladium)5.12铁 Iron4.5镁 Magnesium3.68汞 Mercury4.5鈮 Niobium4.3钾 Potassium2.3铂 Platinum5.65硒 Selenium5.11钠 Sodium2.28铀 Uranium3.6锌 Zinc4.3Notes:Source: various (listed in my dissertation). The actual work function is VERY dependent (usually) several factors including morphology, preparation, gas on surface, oxidation. Aluminum is a strange one. Once exposed to atmosphere the surface oxidizes and the effective work function increases to values of 10 or 11 ! Most common metals can be roughly assumed to have a work function of 4.5
