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首页> 外文期刊>RSC Advances >Construction of a ternary hybrid of CdS nanoparticles loaded on mesoporous-TiO2/RGO for the enhancement of photocatalytic activity
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Construction of a ternary hybrid of CdS nanoparticles loaded on mesoporous-TiO2/RGO for the enhancement of photocatalytic activity

机译：载体纳米粒子纳米粒子的三元杂种的构建，用于增强光催化活性的CDS-TiO2 / Rgo

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摘要

We successfully fabricated a ternary hybrid of meso-TiO _(2) /RGO/CdS via an efficient electrostatic self-assembly approach and photo-assisted treatment. In the illumination process, GO nanosheets were reduced to RGO and simultaneously, CdS nanoparticles were uniformly loaded onto the surface of the meso-TiO _(2) /RGO. Compared with bare meso-TiO _(2) (unitary component) and meso-TiO _(2) /RGO (binary components), the ternary meso-TiO _(2) /RGO/CdS exhibited superior photocatalytic activity and stability. In the experiment of the degradation of methylene orange (MO) in the presence of simulated solar light, the ternary hybrid showed the highest degradation rate (0.0228 min ~(?1) ), which was almost 2 and 17 times the degradation rate of meso-TiO _(2) /RGO and meso-TiO _(2) , respectively. This enhanced photoactivity is ascribed to the synergistic effect of meso-TiO _(2) , RGO and CdS, including a relatively high surface area, extension of the absorption spectrum range and the highly efficient separation and transfer rate of the charge carriers. The establishment of a ternary hybrid thus provides a promising way to improve the performance of photocatalysts.
机译：我们通过高效的静电自组装方法和照片辅助治疗成功地制造了Meso-TiO _（2）/ RGO / CD的三元杂交。在照明过程中，将纳米片还原为RGO，同时，将Cds纳米颗粒均匀地装载到Meso-TiO _（2）/ Rgo的表面上。与裸露的Meso-TiO _（2）（单一组分）和Meso-TiO _（2）/ Rgo（二元组分）相比，三元胚芽β（2）/ Rgo / CD表现出优异的光催化活性和稳定性。在模拟太阳灯存在下亚甲基橙（Mo）的实验中，三元杂种显示出最高的降解速率（0.0228分钟〜（？1）），这几乎是Meso降解率的差不多2和17倍-tio _（2）/ Rgo和Meso-TiO _（2）。这种增强的光度归因于Meso-TiO _（2），RGO和Cds的协同作用，包括相对高的表面积，吸收光谱范围的延伸和电荷载体的高效分离和转移率。因此，建立三元杂种提供了提高光催化剂性能的有希望的方法。

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