Facile synthesis of ultrathin carbon nanosheets from waste cellulose

Thaar M.D. Alharbi*, Mohammed J.K. Bashir, Anindya Nag, Wael H. Alsaedi, Matt Jellicoe, Jonathan Woon Chung Wong, Liwen Luo, Xin Xiong, Zihan Feng, Jiayue Fang, Jun Zhao*, Shan He*

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

Abstract

Ultrathin carbon nanosheets were fabricated using renewable carbon sources. Cellulose, an important component in the food industry, was processed to form a food byproduct and used to synthesize carbon nanosheets. Both bacterial and nonbacterial cellulose from kombucha byproducts and apple pomace, respectively, were processed via purification and pyrolysis. An inert argon atmosphere and elevated temperatures of 600 °C–800 °C for 20 min were maintained during pyrolysis. Under these conditions, the apple pomace produced a higher yield of nanosheets than the kombucha byproduct. The nanosheets with the thickness of 4 nm were characterized using different spectroscopic techniques such as Fourier transform infrared spectroscopy and Raman spectroscopy as well as microscopic techniques such as scanning electron microscopy and atomic force microscopy. This sustainable, simple, and green method of carbon nanosheet production is a promising alternative to conventional methods of production.

Original languageEnglish
Article number105515
JournalArabian Journal of Chemistry
Volume17
Issue number2
Early online date6 Dec 2023
DOIs
Publication statusPublished - Feb 2024

Scopus Subject Areas

  • Chemistry(all)
  • Chemical Engineering(all)

User-Defined Keywords

  • Carbon
  • Cellulose
  • Food processing by-products
  • Nanosheets
  • Pyrolysis

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