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It is a dopant in some types of glass in lasers and other optoelectronic devices. Europium oxide (Eu 2 O 3) is widely used as a red phosphor in television sets and fluorescent lamps, and as an activator for yttrium-based phosphors. [51] [52] Color TV screens contain between 0.5 and 1 g of europium oxide. [53]
Europium compounds fluoresce under UV light at 395 nm and 365 nm. [1] Europium compounds are compounds formed by the lanthanide metal europium (Eu). In these compounds, europium generally exhibits the +3 oxidation state, such as EuCl 3, Eu(NO 3) 3 and Eu(CH 3 COO) 3. Compounds with europium in the +2 oxidation state are also known.
Europium(III) oxide (Eu 2 O 3), is a chemical compound of europium and oxygen. It is widely used as a red or blue phosphor in television sets and fluorescent lamps, and as an activator for yttrium-based phosphors. It is also an agent for the manufacture of fluorescent glass. Europium fluorescence is used in the anti-counterfeiting phosphors in ...
The compound is used in research. Preparation ... Europium(III) chloride can be used as a starting point for the preparation of other europium salts. Structure
Europium oxide is a compound from the two elements europium and oxygen. Europium oxide may refer to: Europium(II) oxide (europium monoxide, EuO) a magnetic semiconductor. Europium(III) oxide (europium sesquioxide, Eu 2 O 3), the most common oxide.
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Eu 2 O 3 + Eu → 3 EuO. It is also possible to synthesize from the reaction of europium oxychloride and lithium hydride. [3] 2 EuOCl + 2 LiH → 2 EuO + 2 LiCl + H 2. In modern research, thin films can be manufactured by molecular beam epitaxy directly from europium atoms and oxygen molecules. These films have contamination of Eu 3+ of less ...
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