Concepedia

Work Function of a Room‐Temperature, Stable Electride [Ca<sub>24</sub>Al<sub>28</sub>O<sub>64</sub>]<sup>4+</sup>(e<sup>–</sup>)<sub>4</sub>

Y. Toda, Hiroshi Yanagi, Eiji Ikenaga, Jung-Jin Kim, Masaaki Kobata, Shigenori Ueda, Toshio Kamiya, Masahiro Hirano, Keisuke Kobayashi, Hideo Hosono

Advanced Materials · 2007 · 246 citations · 25 references

DOI

Concepts

Abstract

The work function of the electride [Ca24Al28O64]4+(e-)4 is presented (see figure). The intrinsic value of ca. 2.4 eV is close to that of potassium regardless of its high chemical stability under ambient atmosphere. This property originates from the intrinsic nature of electrons in 3D connected sub-nanometer-sized cages having a positive charge.

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