Nano needle decorated ZnO hollow spheres with exposed (0001) planes and their corrosion using acetic acid,CrystEngComm

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Nano needle decorated ZnO hollow spheres with exposed (0001) planes and their corrosion using acetic acid
CrystEngComm ( IF 2.6 ) Pub Date : 2017-08-25 00:00:00 , DOI: 10.1039/c7ce01398a
Yujie Liu _{1,

2,

3,

4,

5} , Haixia Liu _{1,

2,

3,

4,

5} , Baibiao Huang _{5,

6,

7,

8} , Tianduo Li _{1,

2,

3,

4,

5} , Jingui Wang _{1,

2,

3,

4,

5}

Affiliation

ZnO hollow spheres, which were made of ZnO nanoneedles and had larger (0001) planes than conventional structures, were successfully prepared by a one-pot hydrothermal method. The surface of the hollow spheres was composed of highly active crystal (0001) planes. The surface changes of the spheres were studied by controlling the reaction time. It was indicated that with prolonged reaction time, the (0001) planes of the hollow spheres gradually disappeared under acetic acid etching. Acetic acid played a very important role in the formation of ZnO hollow spheres. The long-time corrosion reduces the surface (0001) planes, making the structure looser which increases the specific surface area. From the results of the photocatalytic degradation of methylene blue (MB), it can be seen that larger (0001) planes were favorable for photocatalysis.

中文翻译：

纳米针装饰的ZnO空心球具有暴露的（0001）平面及其使用乙酸的腐蚀

通过一锅水热法成功地制备了由ZnO纳米针制成且具有比常规结构更大（0001）平面的ZnO空心球。空心球的表面由高活性晶体（0001）平面组成。通过控制反应时间来研究球的表面变化。结果表明，随着反应时间的延长，中空球的（0001）面在乙酸腐蚀下逐渐消失。乙酸在ZnO空心球的形成中起着非常重要的作用。长时间的腐蚀会降低表面（0001）的平面，使结构更松散，从而增加比表面积。从亚甲基蓝（MB）的光催化降解结果可以看出，较大的（0001）平面有利于光催化。

更新日期：2017-09-20

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