<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p>Ta<sub>2</sub>O<sub>5</sub>/Bi<sub>2</sub>O<sub>3</sub> core‐shell nanocomposites are prepared by adding Bi(NO<sub>3</sub>)<sub>3</sub> to a suspension of Ta<sub>2</sub>O<sub>5</sub> nanoparticles in BnOH (150 °C, 8 h) followed by calcination at 400 °C (≈80% yield).</p> </abstract>