Fast three-dimensional assembly of MoS2 inspired by the gelation of graphene oxide

二维材料的快速三维自组装: 从氧化石墨烯到二硫化钼

摘要

本工作借助1,4-丁二醇二缩水甘油醚(BDGE)与氧化石墨烯上羧基的相互作用, 实现了氧化石墨烯的快速三维组装. 基于此方法, 我们通过表面活性剂分散其他二维材料并实现材料表面官能化, 借助于这些表面官能团与BDGE的相互作用, 发展出一种普适的二维材料快速三维自组装方法. 以二硫化钼为例, 组装形成的三维结构显著提高了表面利用率, 极大地改善了其作为钠离子电池负极材料的电化学性能.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (51772164 and U1601206), Guangdong Natural Science Funds for Distinguished Young Scholar (2017B030306006), Guangdong Special Support Program (2017TQ04C664), Local Innovative and Research Teams Project of Guangdong Pearl River Talents Program (2017BT01N111) and Shenzhen Technical Plan Project (JCYJ20170412171630020 and JCYJ20170412171359175).

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Correspondence to Wei Lv 吕伟 or Quan-Hong Yang 杨全红.

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Yaqian Deng received her Bachelor’s degree of materials chemistry from Sichuan University in 2014 and now she is a PhD candidate under the guidance of Prof. Quan-Hong Yang and Prof. Wei Lv. Her research interest mainly focuses on the assembly of graphene and other two dimensional materials for energy storage.

Chong Luo received his Bachelor’s degree of materials science and engineering from the Central South University in 2013 and now he is a PhD candidate under the guidance of Prof. Quan-Hong Yang and Prof. Wei Lv. His research interest focuses on the liquid phase assembly of graphene oxide and the mechanism on energy storage characteristics and devices.

Wei Lv received his PhD from Tianjin University in 2012 under the supervision of Prof. Quan-Hong Yang. He currently works as an Associate Professor in the Graduate School at Shenzhen, Tsinghua University. His research mainly focuses on novel carbon materials, such as graphene and porous carbons, and their applications in electrochemical energy storage.

Quan-Hong Yang was born in 1972, joined Tianjin University as a full professor of nanomaterials in 2006 and became a chair professor in 2016. His research is related to novel carbon materials, from porous carbons, tubular carbons to sheetlike graphene and their applications in energy storage and environmental protection.

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Deng, Y., Luo, C., Zhang, J. et al. Fast three-dimensional assembly of MoS2 inspired by the gelation of graphene oxide. Sci. China Mater. 62, 745–750 (2019). https://doi.org/10.1007/s40843-018-9363-7

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