Temperature effects on formation of carbon-based nanomaterials from kraft lignin

被引：26

作者：

Zhang, Xuefeng ^{[1
]}

Yan, Qiangu ^{[1
]}

Hassan, El Barbary ^{[1
]}

Li, Jinghao ^{[2
]}

Cai, Zhiyong ^{[2
]}

Zhang, Jilei ^{[1
]}

机构：

[1] Mississippi State Univ, Dept Sustainable Bioprod, Mississippi State, MS 39762 USA

[2] US Forest Serv, USDA, Forest Prod Lab, Madison, WI 53726 USA

来源：

MATERIALS LETTERS | 2017年 / 203卷

关键词：

Kraft lignin; Multi-layer graphene; Formation mechanism; Iron oxides nanoparticles; alpha-Fe nanoparticles; CHEMICAL-VAPOR-DEPOSITION; GROWTH-MECHANISM; GRAPHENE; NANOSTRUCTURES; NANOPARTICLES; NANOTUBES; SUPPORTS;

D O I：

10.1016/j.matlet.2017.05.125

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The formation of carbon-based nanomaterials was investigated through heating iron nitrate promoted kraft lignin at different temperatures up to 600 degrees C under argon gas at atmospheric pressure. High-resolution transmission electron microscopy and electron diffraction images showed that multi-layer turbostratic-structured graphene presented in samples heated at 600 degrees C. X-ray diffraction results indicated that iron oxides nanoparticles started their formation as an amorphous carbon matrix at 300 degrees C, and turned into alpha-Fe nanoparticles at 600 degrees C. It is believed that the formation of observed multi-layer graphene materials is based on the dissolution and precipitation mechanism of carbonaceous gases from lignin decomposition acting as carbon sources and a-Fe working as the catalyst. (C) 2017 Published by Elsevier B.V.

引用

页码：42 / 45

页数：4

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