ナノ構造を利用したセメント鉱物Ｃ１２Ａ７の金属化：高透光性導電体薄膜の作製と低仕事関数を利用した電子注入電極への応用:高透光性導電体薄膜の作製と低仕事関数を利用した電子注入電極への応用
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12CaO·Al<Sub>2</Sub>O<Sub>3</Sub> (C12A7) crystal is a constituent of alumina cements and an electrical insulator with a large band gap of ∼7 eV. It is possible to replace almost all the O<Sup>2−</Sup> ions in its crystallographic cages with electrons by reduction treatments. As a result, C12A7 is converted to a metallic conductor C12A7:e<Sup>−</Sup> with a low work function of ∼2.4 eV via an insulator-metal transition. We have developed a technique to prepare C12A7:e<Sup>−</Sup> thin films. The electrical and optical properties, and also an application to an electron injection layer for an organic light emitting device are reviewed.
- 公益社団法人 日本表面科学会の論文
公益社団法人 日本表面科学会 | 論文
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