Two-dimensional Nitrogen-doped Mesoporous Carbon/Graphene Nanocomposites from the Self-assembly of Block Copolymer Micelles in Solution

Nan Wang; Hao Tian; Shu-Yan Zhu; De-Yue Yan; Yi-Yong Mai

doi:10.1007/s10118-018-2091-1

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Two-dimensional Nitrogen-doped Mesoporous Carbon/Graphene Nanocomposites from the Self-assembly of Block Copolymer Micelles in Solution

RAPID COMMUNICATIONS | Updated：2021-02-18

- Two-dimensional Nitrogen-doped Mesoporous Carbon/Graphene Nanocomposites from the Self-assembly of Block Copolymer Micelles in Solution
- Two-dimensional Nitrogen-doped Mesoporous Carbon/Graphene Nanocomposites from the Self-assembly of Block Copolymer Micelles in Solution
- Chinese Journal of Polymer Science 2018年36卷第3期页码：266-272
- Affiliations：
  
  School of Chemistry and Chemical Engineering, Shanghai Key Laboratory of Electrical Insulation and Thermal Ageing, Shanghai Jiao Tong University, Shanghai 200240, China
- Author bio：
  
  Yi-Yong Mai, E-mail mai@sjtu.edu.cn
- Funds：
  
  Electronic supplementary information (ESI) including experiment details, supporting figures and tables, etc., is available free of charge in the online version of this article at https://doi.org/10.1007/s10118-018-2091-1.
- DOI：10.1007/s10118-018-2091-1
  中图分类号：
- 收稿：2017-10-12，
  
  录用：2017-11-10，
  
  网络首发：2017-12-15，
  
  纸质出版：2018-03-05
- Accepted：
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Nan Wang, Hao Tian, Shu-Yan Zhu, 等. Two-dimensional Nitrogen-doped Mesoporous Carbon/Graphene Nanocomposites from the Self-assembly of Block Copolymer Micelles in Solution[J]. Chinese Journal of Polymer Science, 2018,36(3):266-272.

Nan Wang, Hao Tian, Shu-Yan Zhu, et al. Two-dimensional Nitrogen-doped Mesoporous Carbon/Graphene Nanocomposites from the Self-assembly of Block Copolymer Micelles in Solution[J]. Chinese Journal of Polymer Science, 2018, 36(3): 266-272.
Nan Wang, Hao Tian, Shu-Yan Zhu, 等. Two-dimensional Nitrogen-doped Mesoporous Carbon/Graphene Nanocomposites from the Self-assembly of Block Copolymer Micelles in Solution[J]. Chinese Journal of Polymer Science, 2018,36(3):266-272. DOI： 10.1007/s10118-018-2091-1.

Nan Wang, Hao Tian, Shu-Yan Zhu, et al. Two-dimensional Nitrogen-doped Mesoporous Carbon/Graphene Nanocomposites from the Self-assembly of Block Copolymer Micelles in Solution[J]. Chinese Journal of Polymer Science, 2018, 36(3): 266-272. DOI： 10.1007/s10118-018-2091-1.

摘要

Abstract

The self-assembly of block copolymer in solution has proven to be an effective strategy for building up a wide range of nanomaterials with diverse structures and applications. This paper reports a facile self-assembly approach towards two-dimensional (2D) sandwich-like mesoporous nitrogen-doped carbon/reduced graphene oxide nanocomposites (denoted as mNC/rGO) with well-defined large mesopores. The strategy involves the synergistic self-assembly of polystyrene-block-poly(ethylene oxide) (PS-

-PEO) spherical micelles

-phenylenediamine (

PD) monomers and GO in solution and the subsequent carbonization at 900℃. The resultant mNC/rGO nanosheets have an average pore size of 19 nm

a high specific surface of 812 m

·g

-1

and a nitrogen content of 2.2 wt%. As an oxygen reduction reaction (ORR) catalyst

the unique structural features render the metal-free nanosheets excellent electrocatalytic performance. In a 0.1 mol·L

-1

KOH alkaline medium

mNC/rGO exhibits a four-electron transfer pathway with a high half-wave-potential (

1/2

) of +0.77 V versus reversible hydrogen electrode (RHE) and a limiting current density (

) of 5.2 mA·cm

-2

which are well comparable with those of the commercial Pt/C catalysts.

关键词

Keywords

references

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