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Direct Growth of Bio-Graphene Using Modified-Chemical Vapor Deposition For Straight-Forward Characterization.

M D Nurhafizah1, A A Azahar1, N Abdullah1

  • 1School of Physics, Universiti Sains Malaysia, 11800 USM, Minden Penang, Malaysia.

Bioresource Technology
|October 16, 2024
PubMed
Summary
This summary is machine-generated.

Researchers optimized Bio-Graphene production from Oil Palm Shell (OPS) using Chemical Vapor Deposition (CVD). Optimized settings (ABC-2) yielded high-quality Bio-Graphene with enhanced crystallinity and fewer layers.

Keywords:
Alumina BoatBiocharGrapheneOil Palm ShellPyrolysis

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Area of Science:

  • Materials Science
  • Chemical Engineering
  • Nanotechnology

Background:

  • Oil Palm Shell (OPS) is a lignocellulosic waste material.
  • Bio-graphene production offers a sustainable alternative to conventional graphene sources.
  • Controlled deposition is crucial for optimizing graphene quality.

Purpose of the Study:

  • To optimize Bio-Graphene production from OPS using Chemical Vapor Deposition (CVD).
  • To investigate the effect of deposition environment parameters on Bio-Graphene quality.
  • To simplify characterization by direct deposition on silicon wafers.

Main Methods:

  • Bio-graphene synthesis via heating OPS and Chemical Vapor Deposition (CVD).
  • Controlled deposition experiments using two alumina boat positions (ABC-1 and ABC-2).
  • Characterization using Field Emission Scanning Electron Microscope, Atomic Force Microscope, Raman Spectroscopy, X-ray diffraction, and I-V measurement.

Main Results:

  • The ABC-2 position (better-closed settings) resulted in higher quality Bio-Graphene.
  • Optimized conditions yielded improved crystallinity, detectable growth spurt, few-layer thickness, larger growth area, and lower surface roughness.
  • Direct deposition on silicon wafers simplified the characterization process.

Conclusions:

  • Optimizing the deposition environment significantly enhances Bio-Graphene quality and crystallinity from OPS.
  • The ABC-2 deposition setting is superior for producing high-quality Bio-Graphene.
  • This optimized process holds potential for future Bio-Graphene applications.