Abstract An Intercalated heterostructural g-C3N4/TiO2/HNTs supported photocatalyst was successfully prepared via sol–gel and calcination methods. The introduction of HNTs and the g-C3N4-TiO2 heterojunction effectively enhanced the charge transfer and separation efficiency of photogenerated electron–hole pairs, which endued the g-C3N4/TiO2/HNTs hybrid material with an outstanding photoelectric performance and good stability. And an obviously enhanced photocatalytic activity was exhibited by photodegrading ciprofloxacin compared with pure TiO2. Furthermore, the main active species were detected through trapping experiment and ESR spin-trap technique with DMPO, which confirmed that the O2− and the h+ were the main active species in the photocatalytic system.

中文翻译：

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通过制备异质结 gC 3 N 4 /TiO 2 /HNTs 负载的光催化剂改善光电性能，用于光降解环丙沙星

摘要 通过溶胶-凝胶法和煅烧法成功制备了插层异质结构 g-C3N4/TiO2/HNTs 负载的光催化剂。HNTs和g-C3N4-TiO2异质结的引入有效提高了光生电子-空穴对的电荷转移和分离效率，使g-C3N4/TiO2/HNTs杂化材料具有优异的光电性能和良好的稳定性。与纯二氧化钛相比，光降解环丙沙星表现出明显增强的光催化活性。此外，通过捕获实验和 ESR 自旋捕集技术与 DMPO 检测到主要活性物种，证实 O2- 和 h+ 是光催化体系中的主要活性物种。