CdS–MoS<sub>2</sub> heterostructures on Mo substrates <em>via in situ</em> sulfurization for efficient photoelectrochemical hydrogen generation

Xianglin Zhu; Peng Wang; Qianqian Zhang; Zeyan Wang; Yuanyuan Liu; Xiaoyan Qin; Xiaoyang Zhang; Ying Dai; Baibiao Huang

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CdS–MoS₂ heterostructures on Mo substrates via in situ sulfurization for efficient photoelectrochemical hydrogen generation

机译：Mo衬底上原位硫化的CdS–MoS _{2 异质结构有效产生光电化学氢}

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A CdS–MoS₂ photoelectrode with a double-layer core–shell structure was prepared using a simple electrodeposition–in situ sulfurization method on a Mo substrate. The photocatalytic activity of as-prepared electrodes was evaluated using a photoelectrochemical H₂-generation experiment. The photocurrent and photon–electron conversion efficiency of the CdS–MoS₂ photoelectrode were nearly double those of a CdS photoanode prepared on FTO glass. The high activity of the CdS–MoS₂ photoelectrode was due to the higher separation efficiency of carriers caused by the formed CdS–MoS₂ Janus heterojunction structure, which made directional transmission and electron–hole separation possible. Our experiments show that, in addition to being a good co-catalyst in powder material for photocatalytic hydrogen production, MoS₂ can also be used as an electron acceptor layer to enhance electron–hole separation. 展开▼

机译：采用简单的电沉积-原位硫化法在Mo上制备了具有双层核-壳结构的CdS-MoS _{2 光电极基质。使用光电化学H _{2 生成实验评估制备电极的光催化活性。 CdS-MoS _{2 光电极的光电流和光电子转换效率几乎是在FTO玻璃上制备的CdS光电阳极的两倍。 CdS–MoS _{2 光电极的高活性是由于形成的CdS–MoS _{2 Janus异质结结构，使得定向传输和电子-空穴分离成为可能。我们的实验表明，MoS _{2 除了是粉末状材料中用于光催化制氢的良好助催化剂外，还可以用作电子受体层来增强电子–孔分离。}}}}}} 展开▼

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《RSC Advances》 |2017年第71期|共6页

作者
Xianglin Zhu; Peng Wang; Qianqian Zhang; Zeyan Wang; Yuanyuan Liu; Xiaoyan Qin; Xiaoyang Zhang; Ying Dai; Baibiao Huang;
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中图分类化学;

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1. Cds-MoS2 heterostructures on Mo substrates via in situ sulfurization for efficient photoelectrochemical hydrogen generation [J] . Zhu Xianglin, Wang Peng, Zhang Qianqian, RSC Advances . 2017,第71期

机译：Cds-MOS2通过原位硫化对高效光电化学氢产生的影响

2. Efficient Photoelectrochemical Hydrogen Generation Using Heterostructures of Si and Chemically Exfoliated Metallic MoS_2 [J] . Qi Ding, Fei Meng, Caroline R. English, Journal of the American Chemical Society . 2014,第24期

机译：利用硅和化学剥落的金属MoS_2的异质结构高效产生光电化学氢

3. Efficient and Stable MoS2/CdSe/NiO Photocathode for Photoelectrochemical Hydrogen Generation from Water [J] . Dong Yuming, Chen Yanmei, Jiang Pingping, Chemistry, an Asian journal . 2015,第8期

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4. ZnO-CdZnS Core-Shell Nanocable Arrays for Highly Efficient Photoelectrochemical Hydrogen Generation [C] . Yoon Myung, Dong Myung Jang, Yong Jei Sohn, Symposium O on Multifunctional Nanoparticle Systems - Coupled Behavior and Applications . 2010

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7. CdS–MoS2 heterostructures on Mo substrates via in situ sulfurization for efficient photoelectrochemical hydrogen generation [O] . Xianglin Zhu, Peng Wang, Qianqian Zhang, 2017

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CdS–MoS2 heterostructures on Mo substrates via in situ sulfurization for efficient photoelectrochemical hydrogen generation

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CdS–MoS₂ heterostructures on Mo substrates via in situ sulfurization for efficient photoelectrochemical hydrogen generation