Utilization of La&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;3&lt;/sub&gt; as a Support of Ga&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;3&lt;/sub&gt; Photocatalyst to Enhance Activity on CO&lt;sub&gt;2&lt;/sub&gt; Reduction with Water
E-journal of surface science and nanotechnology