In this study, rhodium and antimony doped nanorod (RS-TONR) was prepared by a molten salt solid state chemical reaction, and TiO₂ nanorod and titanate nanotube (RS-TONR/TiNT) composite photocatalyst was synthesized by a hydrothermal method for different reaction times. The structural and chemical analyses of nanomaterials were performed by FE-SEM, XRD, UV-DRS and surface BET characterizations. The XRD and HR-TEM data confirmed that the as-synthesized material had mixed phase of TiO₂ nanorod and Titanate nanotube (RS-TONR/TiNT). The photocatalytic activity of the composite photocatalyst was observed over the degradation of Orange (II) dye under visible light irradiation. Acid treatment and copper loading was conducted to enhance the surface property of RS-TONR/TiNT sample. The formation of TiO₂ nanoparticle with anatase phase was observed by TEM and XRD analysis. The TEM mapping data also confirmed that copper oxide nanoparticles were well dispersed on the surface of titanate nanotubes. These dispersed nanoparticles were observed by XPS and STEM characterizations. The higher removal efficiency of Cd²⁺ ions was observed over the acid treated and untreated Cu3-TNP/TiNT/RS-TONR in the presence of Orange (II) dye. A higher photocatalytic activity of acid treated and Cu3-TNP/TiNT/RS-TONR was simultaneously obtained in the presence of cadmium ions during the degradation of Orange (II) dye.

本研究通过熔融盐固相化学反应制备了铑和锑掺杂的纳米棒（RS-TONR），并通过水热法合成了TiO ₂纳米棒和钛酸酯纳米管（RS-TONR / TiNT）复合光催化剂用于不同的反应。时代。纳米材料的结构和化学分析通过FE-SEM，XRD，UV-DRS和表面BET表征进行。XRD和HR-TEM数据证实合成后的材料具有TiO _2的混合相纳米棒和钛酸酯纳米管（RS-TONR / TiNT）。在可见光照射下，观察到复合光催化剂的光催化活性超过了橙色（II）染料的降解。进行了酸处理和铜加载以增强RS-TONR / TiNT样品的表面性能。通过TEM和XRD分析观察到具有锐钛矿相的TiO ₂纳米颗粒的形成。TEM图谱数据还证实，氧化铜纳米颗粒良好地分散在钛酸酯纳米管的表面上。通过XPS和STEM表征观察到了这些分散的纳米颗粒。Cd ^2+的去除效率更高在橙色（II）染料存在下，在酸处理和未处理的Cu3-TNP / TiNT / RS-TONR上观察到离子。在橙色（II）染料降解过程中，在镉离子存在下，同时获得了酸处理和Cu3-TNP / TiNT / RS-TONR更高的光催化活性。