The Ag₃PO₄/tetrapod-like ZnO whisker (T-ZnOw) heterostructures were prepared via a simple precipitation method. The obtained heterostructures were characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, high-resolution transmission electron microscopy, X-ray photoelectron spectroscopy, and UV-Vis diffuse reflectance spectroscopy. The photodegradation activity of Ag₃PO₄/T-ZnOw was evaluated by the degradation of Rhodamine B (RhB) under visible light irradiation. When the molar ratio of Ag₃PO₄ to T-ZnOw was 10% (Ag₃PO₄/T-ZnOw-2), the highest degradation efficiency (92.9%) could be achieved among the heterostructures. The photodegradation rate constant of Ag₃PO₄/T-ZnOw-2 (0.05179 min⁻¹) was 3.59 times that of T-ZnOw (0.01444 min⁻¹). Besides, the Ag₃PO₄/T-ZnOw-2 photocatalyst still possessed a degradation efficiency of 77.8% after four successive cycles. The Ag₃PO₄/T-ZnOw-2 catalyst had much higher photocatalytic activity than pure T-ZnOw and better stability and reusability than pure Ag₃PO₄. The effect of different scavengers on degradation efficiency was investigated, and the possible photocatalytic mechanism of the Ag₃PO₄/T-ZnOw photocatalyst was also put forward.

通过简单的沉淀法制备了Ag ₃ PO ₄ /四足状ZnO晶须（T-ZnOw）异质结构。通过X射线衍射，扫描电子显微镜，透射电子显微镜，高分辨率透射电子显微镜，X射线光电子能谱和UV-Vis漫反射光谱来表征所获得的异质结构。通过在可见光照射下若丹明B（RhB）的降解来评价Ag ₃ PO ₄ / T-ZnOw的光降解活性。当Ag ₃ PO ₄与T-ZnOw的摩尔比为10％时（Ag ₃ PO ₄/ T-ZnOw-2），异质结构中的降解效率最高（92.9％）。的银的光降解速率常数₃ PO ₄ / T-氧化锌晶须-2（0.05179分钟^-1）为3.59倍，T-氧化锌晶须的（0.01444分钟^-1）。此外，连续三个循环后，Ag ₃ PO ₄ / T-ZnOw-2光催化剂的降解效率仍为77.8％。Ag ₃ PO ₄ / T-ZnOw-2催化剂具有比纯T-ZnOw高得多的光催化活性，并且比纯Ag ₃ PO _4具有更好的稳定性和可重复使用性。。研究了不同清除剂对降解效率的影响，并提出了可能的Ag ₃ PO ₄ / T-ZnOw光催化剂的光催化机理。