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

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  • ReceivedJul 28, 2018
  • AcceptedOct 7, 2018
  • PublishedNov 7, 2018

Abstract


Funding

the National Natural Science Foundation of China(51772164,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)

Shenzhen Technical Plan Project(JCYJ20170412171630020,JCYJ20170412171359175)


Acknowledgment

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).


Interest statement

The authors declare no conflict of interest.


Contributions statement

Deng Y designed and engineered the samples; Qiu D, Cao T and Lin Q performed the experiments; Luo C wrote the paper with support from Lv W and Yang QH. All authors contributed to the general discussion.


Author information

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 sheet-like graphene and their applications in energy storage and environmental protection.


Supplementary data

Supplementary information

Experimental details and supporting data are available in the online version of the paper.


References

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  • Figure 1

    Photos (a), XRD patterns (b) and SEM images (c--f) of GO, GO+BDGE, GO+HCl and GO+(BDGE/HCl mixture).

  • Figure 2

    (a) Photos of GO with different functional groups after assembly, (b) FT-IR profiles of GO reduced by different reducing agents and decorated with different functional groups. Graphene and MoS2 gels (c) and aerogels (d) made by the same method as GO.

  • Figure 3

    (a) XRD patterns of pristine MoS2 and assembled MoS2. TG-DSC profiles (b), and SEM images (c, d) of pristine MoS2 and assembled MoS2 after heat treatment to remove BDGE and the residual HCl.

  • Figure 4

    CV curves (a), the rate performance (b), cycling stability (c) and (d) EIS of pristine and assembled MoS2 samples.

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