White light-emitting diode daubed via CaSc&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;4&lt;/sub&gt;:Ho&lt;sup&gt;3+&lt;/sup&gt;/Yb&lt;sup&gt;3+&lt;/sup&gt; nanocrystal sheets enclosed using SiO&lt;sub&gt;2&lt;/sub&gt;
Bulletin of Electrical Engineering and Informatics