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| 1 | Multi-node CdS hetero-nanowires grown with defect-rich oxygen-doped MoS2 ultrathin nanosheets for efficient visible-light photocatalytic H2 evolution显示文摘Developing low-cost and high-efficiency photocatalysts for hydrogen production from solar water splitting is intriguing but challenging. In this study, unique one-dimensional (1D) multi-node MoS2/CdS hetero-nanowires (NWs) for efficient visible-light photocatalytic H2 evolution are synthesized via a facile hydrothermal method. Flower-like sheaths are assembled from numerous defect-rich O-incorporated {0001} MoS2 ultrathin nanosheets (NSs), and {112̅0}-facet surrounded CdS NW stems are grown preferentially along the c-axis. Interestingly, the defects in the MoS2 NSs provide additional active S atoms on the exposed edge sites, and the incorporation of O reduces the energy barrier for H2 evolution and increases the electric conductivity of the MoS2 NSs. Moreover, the recombination of photoinduced charge carriers is significantly inhibited by the heterojunction formed between the MoS2 NSs and CdS NWs. Therefore, in the absence of noble metals as co-catalysts, the 1D MoS2 NS/CdS NW hybrids exhibit an excellent H2-generation rate of 10.85 mmol·g-1·h-1 and a quantum yield of 22.0% at λ = 475 nm, which is far better than those of Pt/CdS NWs, pure MoS2 NSs, and CdS NWs as well as their physical mixtures. Our results contribute to the rational construction of highly reactive nanostructures for various catalytic applications. | Haifeng Lin Yanyan Li Haoyi Li Xun Wang | 2017 | Nano Research2017，10，4： | 5 |
| 2 | Overpotential-dependent shape evolution of gold nanocrystals grown in a deep eutectic solvent显示文摘这份报纸报导在胆碱氯化物脲(ChCl 脲) 的金 nanocrystals (Au NC ) 的过电位依赖者形状进化基于深最容易溶解的溶剂(DES ) 。生长过电位在调节 Au NC 的形状起一个关键作用,这被发现。Au NC 的形状进化连续地从凹面菱形的 dodecahedra (RD ) 到凹面立方体,八足类动物, cuboctahedral 盒子,并且最后,到空 octahedra (哦) 被小心地从 -0.50 在范围控制生长过电位到 -0.95 V 完成(对磅伪参考电极) 。另外,脲的存在在 Au NC 的形状进化是重要的。同样准备的 Au NC 的表面结构被扫描电子显微镜学(SEM ) 包括地描绘,传播电子显微镜学(TEM ) 和电气化学的研究。为 D 葡萄糖 electrooxidation 的同样准备的 Au NC 的 electrocatalytic 活动易感知地依赖于他们的形态学,这被表明。说明的结果使脱氢的葡萄糖在凹面 RD 和凹面上吸附了立方的 Au NC,这优先地在低电极潜力被转变到 gluconolactone。随后的 gluconolactone 氧化在八足类动物上有利地发生了与 { 111 } 截断的手臂并且空在高电极潜力的 OH。这研究开创一条新途径由把 DES 与电气化学的技术相结合开发 Au NC 的 surface-structurecontrolled 生长。另外,它为调节 NC 的 electrocatalytic 性质是重要的。 | Lu Wei Bangan Lu Mingjun Sun Na Tian Zhiyou Zhou Binbin Xu Xinsheng Zhao Shigang Sun | 2016 | Nano Research2016，9，11： | 2 |
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