<p><b>硒化鋇</b>是一種無機化合物，是鋇形成的硒化物之一，化學式為BaSe，此外還有Ba<sub>2</sub>Se<sub>3</sub>、BaSe<sub>2</sub> 和BaSe<sub>3</sub>。BaSe在所有化合物中具有最低的能量帶隙。</p>
<h2><span id=".E5.88.B6.E5.A4.87"></span><span id="制备">製備</span></h2>
<p>硒化鋇可由硒酸鋇在氫氣流中的還原得到。</p>
<dl><dd><span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {BaSeO_{4}+4\ H_{2}\longrightarrow BaSe+4\ H_{2}O} }">
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    <annotation encoding="application/x-tex">{\displaystyle \mathrm {BaSeO_{4}+4\ H_{2}\longrightarrow BaSe+4\ H_{2}O} }</annotation>
  </semantics></math></span></span></dd></dl><p>硒和碳酸鋇或氧化鋇在高溫下反應也能得到硒化鋇。</p>
<dl><dd><span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {2\ BaCO_{3}+5\ Se\longrightarrow 2\ BaSe+3\ SeO_{2}+CO_{2}} }">
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**硒化鋇**是一種無機化合物，是鋇形成的硒化物之一，化學式為 BaSe，此外還有 Ba2Se3、BaSe2 和 BaSe3。BaSe 在所有化合物中具有最低的能量帶隙。

## 製備

硒化鋇可由硒酸鋇在氫氣流中的還原得到。

　
: $\mathrm {BaSeO_{4}+4\ H_{2}\longrightarrow BaSe+4\ H_{2}O} $

硒和碳酸鋇或氧化鋇在高溫下反應也能得到硒化鋇。

　
: $\mathrm {2\ BaCO_{3}+5\ Se\longrightarrow 2\ BaSe+3\ SeO_{2}+CO_{2}} $

## 參考文獻
1304-39-8