Impacts of ionic liquid capping on the morphology and photocatalytic performance of SbPO4 crystals†,CrystEngComm

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Impacts of ionic liquid capping on the morphology and photocatalytic performance of SbPO4 crystals†
CrystEngComm ( IF 2.6 ) Pub Date : 2018-06-20 00:00:00 , DOI: 10.1039/c8ce00790j
Shunqiang Chen _{1,

2,

3,

4,

5} , Yutong Di _{1,

2,

3,

4,

5} , Taohai Li _{1,

2,

3,

4,

5} , Feng Li _{1,

2,

3,

4,

5} , Wei Cao _{6,

7,

8,

9}

Affiliation

By using [BMIM][PO₄] as a coupling agent, a novel hydrothermal method is developed to prepare microspherical SbPO₄ with different morphologies and photocatalytic abilities. An evolution from flower- to sphere-shaped products was observed. Regular SbPO₄ microspheres with diameters of 10–35 μm were found to exhibit excellent photocatalytic properties to degrade rhodamine B (45 min, 99%) and methylene blue (60 min, 99%) under UV light irradiation. The impacts of the ionic liquid type, capping abilities and reaction conditions on final products were revealed. It is found that by tuning the reaction time and temperature, [BMIM][PO₄] can gradually react with SbCl₃, forming SbPO₄ products with a controllable morphology and a tailored bandgap. The distinguished photocatalytic abilities are attributed to the large surface area and low bandgap energy of the semiconductor.

中文翻译：

离子液体封端对SbPO ₄晶体的形态和光催化性能的影响†

以[BMIM] [PO ₄ ]为偶联剂，开发了一种新型的水热法制备具有不同形貌和光催化能力的微球形SbPO ₄。观察到了从花状到球形的演变。发现直径为10-35μm的常规SbPO ₄微球在紫外光照射下具有出色的光催化性能，可降解若丹明B（45分钟，99％）和亚甲基蓝（60分钟，99％）。揭示了离子液体类型，封端能力和反应条件对最终产物的影响。发现通过调节反应时间和温度，[BMIM] [PO ₄ ]可以与SbCl ₃逐渐反应，形成SbPO ₄具有可控形态和定制带隙的产品。杰出的光催化能力归因于半导体的大表面积和低带隙能量。

更新日期：2018-06-20

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