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Fabrication of ternary Ag3PO4/Co3(PO4)2/g-C3N4 heterostructure with following Type II and Z-Scheme dual pathways for enhanced visible-light photocatalytic activity.
Journal of Hazardous Materials ( IF 12.2 ) Pub Date : 2019-12-17 , DOI: 10.1016/j.jhazmat.2019.121907 Weilong Shi 1 , Chang Liu 2 , Mingyang Li 1 , Xue Lin 2 , Feng Guo 3 , Junyou Shi 2
Journal of Hazardous Materials ( IF 12.2 ) Pub Date : 2019-12-17 , DOI: 10.1016/j.jhazmat.2019.121907 Weilong Shi 1 , Chang Liu 2 , Mingyang Li 1 , Xue Lin 2 , Feng Guo 3 , Junyou Shi 2
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A novel ternary Ag3PO4/Co3(PO4)2/g-C3N4 (APO/CPO/CN) heterostructure photocatalyst was successfully synthesized via a simple precipitation method for photocatalytic degradation of tetracycline (TC) under visible light irradiation. The experimental result reveals that the ternary APO/CPO/CN heterojunction showed enhanced photocatalytic performance compared with single semiconductor CPO and CN, binary composite CPO/CN. And APO/CPO/CN-15 % composite exhibits highest photocatalytic degradation efficiency, which can degrade TC around 88 % under visible light within 120 min. The enhanced photocatalytic performance is due to the synergy effects between CPO, CN and APO with the aid of following Z-scheme and Type II heterojunction dual pathways for effective separation of photogenerated charges. This work provides a new approach in the rational design of ternary heterojunction photocatalyst with multilevel electron transfer for environmental decontamination.
中文翻译：
三元Ag3PO4 / Co3（PO4）2 / g-C3N4异质结构的制备，具有以下II型和Z-Scheme双途径，可增强可见光光催化活性。
通过简单的沉淀法在可见光照射下光催化降解四环素（TC），成功合成了新型三元Ag3PO4 / Co3（PO4）2 / g-C3N4（APO / CPO / CN）异质结构光催化剂。实验结果表明，三元APO / CPO / CN异质结与单半导体CPO和CN，二元复合CPO / CN相比具有增强的光催化性能。APO / CPO / CN-15％复合材料表现出最高的光催化降解效率，可在120分钟内在可见光下降解TC约88％。增强的光催化性能归因于CPO，CN和APO之间的协同作用，借助以下Z方案和II型异质结双途径可有效分离光生电荷。
更新日期：2019-12-18
中文翻译：
三元Ag3PO4 / Co3（PO4）2 / g-C3N4异质结构的制备，具有以下II型和Z-Scheme双途径，可增强可见光光催化活性。
通过简单的沉淀法在可见光照射下光催化降解四环素（TC），成功合成了新型三元Ag3PO4 / Co3（PO4）2 / g-C3N4（APO / CPO / CN）异质结构光催化剂。实验结果表明，三元APO / CPO / CN异质结与单半导体CPO和CN，二元复合CPO / CN相比具有增强的光催化性能。APO / CPO / CN-15％复合材料表现出最高的光催化降解效率，可在120分钟内在可见光下降解TC约88％。增强的光催化性能归因于CPO，CN和APO之间的协同作用，借助以下Z方案和II型异质结双途径可有效分离光生电荷。
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