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Hydrothermal synthesis and photocatalytic property of flower-like CdS nanostructures

机译：花状CdS纳米结构的水热合成及光催化性能

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Herein,we introduced a simple hydrothermal method to prepare flower-like CdS nanostructures with thiourea as sulfur source. The obtained materials were characterized by X-ray diffraction (XRD) and selected area electron diffraction (SAED). The results indica ted that CdS nanostructures were of hexagonal phase and single crystalline in nature.Meanwhile,we examined its optical properties by ul traviolet-vis (UV-vis) and photoluminescence (PL) spectra and photocatalytic property using methylene blue (MB) as a model organic compound.It was found that as-prepared CdS nanostructures exhibited a high photocatalytic activity for decolorization of MB under UV-light illumination.Finally,the formation mechanism of flower-like structure was also discussed.It was believed that the internal structure and sulfur mass transport controlled by thiourea played a critical role in the formation of flower-like CdS nanostructures.
机译：在此，我们介绍了一种简单的水热法，以硫脲为硫源制备花朵状的CdS纳米结构。通过X射线衍射（XRD）和选择区域电子衍射（SAED）表征获得的材料。结果表明，CdS纳米结构具有六方相和单晶性质。同时，通过紫外可见光谱和紫外可见光谱研究了其光学性质，并以亚甲基蓝（MB）作为光催化性质。发现制备的CdS纳米结构在紫外光照射下对MB的脱色具有很高的光催化活性。最后，还讨论了花状结构的形成机理。据信内部结构硫脲控制的硫传质在花状CdS纳米结构的形成中起着关键作用。

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