Preparation of Three-Layer Graphene Sheets from Asphaltenes Using a Montmorillonite Template

Xiaolong Wu, Bojing Ma, Yisheng Xu, Jun Xu, Haowei Zhai, Zechen Xiong, Xiangbiao Liao, Xiaoyang Shi, Xi Chen*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

We propose a novel approach to synthesize graphene sheets with fine quality by calcinating the composites intercalated with montmorillonite (MMT) and asphaltene. The graphene sample thus fabricated could reach 10.79 μm long, with smooth and continuous morphology and with little defects. By analyzing the XRD patterns of graphene/MMT composites at different conditions, the graphene formation mechanism is elucidated and the optimal calcination conditions are researched. This study may provide useful insights for low-cost and scalable fabrication of graphene from asphaltene extracted from heavy crude oil.

Original languageEnglish
Article number2094723
JournalJournal of Nanomaterials
Volume2019
DOIs
Publication statusPublished - 2019
Externally publishedYes

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