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Forest Products Laboratory
One Gifford Pinchot Drive
Madison, WI 53726-2398
Phone: (608) 231-9200
Fax: (608) 231-9592


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Title: Synthetic bio-graphene based nanomaterials through different iron catalysts

Source: Nanomaterials. 8(10): 840-859.

Author(s)Yan, Qiangu ; Li, Jinghao ; Zhang, Xuefeng ; Zhang, Jilei ; Cai, Zhiyong

Publication Year: 2018  View PDF »

Category: Journal Articles
Associated Research Project(s):   FPL-4706-2B

Abstract: Kraft lignin was catalytically graphitized to graphene-based nanostructures at 1000 C under argon atmosphere with four iron catalysts, iron(III) nitrate (Fe-N); iron(II) chloride (Fe-Cl2); iron(III) chloride (Fe-Cl3); and iron(II) sulfate (Fe-S). The catalytic decomposition process of iron-promoted lignin materials was examined using thermalgravimetric analysis and temperature-programmed decomposition methods. The crystal structure, morphology and surface area of produced materials were characterized by means of X-ray diffraction, Raman, scanning electronmicroscopy, high resolution transmission electron microscopy and N2 adsorption–desorption techniques. Experimental results indicated that iron nitrate catalyst had better iron dispersion three other iron salts. Iron nitrate was the most active catalyst among four iron salts. The low activity of iron in iron chloride-promoted samples was because the residual chlorine over iron surfaces prevent iron interaction with lignin functional groups.

Keywords: kraft lignin; catalytic thermal decomposition; carbon-based nanomaterials; iron(III) nitrate; iron(II) sulfate; iron(II) chloride; iron(III) chloride

Publication Review Process: Formally Refereed

File size: 1,024 kb(s)

Date posted: 09/26/2019

This publication is also viewable on Treesearch:  view
RITS Product ID: 95830
Current FPL Scientist associated with this product
Cai, Zhiyong
Supervisory Research Materials Engineer

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