In situ growth of Ag₃PO₄ on N-BiPO₄ nanorod: A core-shell heterostructure for high performance photocatalyst

详细信息    查看全文

• 作者：Junqi Li ; ^{sfmlab@163.com" class="auth_mail" title="E-mail the corresponding author} ; Huan Yuan ; Zhenfeng Zhu
• 关键词：Ag3PO4/N-BiPO4 ; Core&ndash ; shell ; p&ndash ; n heterojunction ; Photocatalytic activity
• 刊名：Journal of Colloid and Interface Science
• 出版年：2016
• 出版时间：15 January 2016
• 年：2016
• 卷：462
• 期：Complete
• 页码：382-388
• 全文大小：2309 K

文摘

Enhanced light absorption and effective separation of photogenerated charges are the main strategies to improve the performance of photocatalytic materials. In this study, Ag₃PO₄/N-doped BiPO₄ (N-BiPO₄) core–shell structure photocatalyst was synthesized by a simple in-situ growth strategy in an organic solvent. The separation of photogenerated electron–hole was enhanced by the doping of nitrogen, because of the emergence of N–O impurity energy levels. The increased photocatalytic activity of Ag₃PO₄/N-BiPO₄ could be attributed to the in-situ formation of chemical bonds between Ag₃PO₄ and N-BiPO₄, which accelerate the separation of electron–hole pairs. The photocatalytic performance of the as-synthesized Ag₃PO₄/N-BiPO₄ was evaluated by monitoring the decolorization of methyl orange under sunlight irradiation. Ag₃PO₄/N-BiPO₄ was capable of bleaching 95% MO within 40 min.