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首页> 外文期刊>RSC Advances >Photocatalytic and photoelectrochemical activity of N-doped BiPO4 photocatalyst
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Photocatalytic and photoelectrochemical activity of N-doped BiPO4 photocatalyst

机译：N掺杂BiPO4光催化剂的光催化和光电化学活性

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摘要

N-doped BiPO4 photocatalysts were successfully synthesized via a facile microwave hydrothermal method. XRD, Raman, and XPS results confirmed that the nitrogen atoms were incorporated into the lattice of BiPO4 to replace oxygen atoms. The doped nitrogen did not affect the crystalline structure of BiPO4. With the increase of nitrogen content, the nanorod sizes of N-doped BiPO4 were decreased gradually compared with those of pure BiPO4. The photocatalytic activity of N-doped BiPO4 was remarkably improved. Greater than 96% photodegradation of RhB under the exposure of UV light was achieved within 15 min with 21 at%, and its degradation rate was about 2.1 times greater than pure BiPO4. This phenomenon could be attributed to the fact that the nitrogen doped into BiPO4 improved the separation efficiency of photogenerated electrons and holes.
机译：通过简便的微波水热法成功合成了N掺杂的BiPO4光催化剂。 XRD，拉曼和XPS结果证实，氮原子被掺入BiPO4的晶格中以取代氧原子。掺杂的氮不会影响BiPO4的晶体结构。随着氮含量的增加，与纯BiPO4相比，N掺杂BiPO4的纳米棒尺寸逐渐减小。 N掺杂的BiPO4的光催化活性显着提高。在15分钟内以21 at％的浓度实现RhB在光下的降解率大于96％，其降解率约为纯BiPO4的2.1倍。这种现象可归因于以下事实：掺杂到BiPO4中的氮提高了光生电子和空穴的分离效率。

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