<p><b>一硒化鈰</b>是一種無機化合物，化學式為CeSe，以Ce<sup>3+</sup>Se<sup>2−</sup>(e<sup>−</sup>)的形式存在。</p>
<h2><span id=".E5.88.B6.E5.A4.87"></span><span id="制备">製備</span></h2>
<p>一硒化鈰可由金屬鈉於600°C（或鈣於1000°C）還原三硒化二鈰得到：</p>
<dl><dd>Ce<sub>2</sub>Se<sub>3</sub> + 2Na → 2CeSe + Na<sub>2</sub>Se</dd></dl><p>二氫化鈰還原硒化鈰，也能製得一硒化鈰：</p>
<dl><dd>Ce<sub>2</sub>Se<sub>3</sub> + CeH<sub>2</sub> → 3 CeSe + H<sub>2</sub>↑</dd></dl><h2><span id=".E5.8F.82.E8.80.83.E6.96.87.E7.8C.AE"></span><span id="参考文献">參考文獻</span></h2>

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**一硒化鈰**是一種無機化合物，化學式為 CeSe，以 Ce3+Se2−(e−) 的形式存在。

## 製備

一硒化鈰可由金屬鈉於 600°C（或鈣於 1000°C）還原三硒化二鈰得到：

　
: Ce2Se3 + 2Na → 2CeSe + Na2Se

二氫化鈰還原硒化鈰，也能製得一硒化鈰：

　
: Ce2Se3 + CeH2 → 3 CeSe + H2↑

## 參考文獻
12014-83-4