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

Xuefeng Zhang; Qiangu Yan; El Barbary Hassan; Jinghao Li; Zhiyong Cai; Jilei Zhang

doi:10.1016/j.matlet.2017.05.125

Treesearch

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

Formally Refereed

Authors:

Xuefeng Zhang, Qiangu Yan, El Barbary Hassan, Jinghao Li, Zhiyong Cai, Jilei Zhang

Year:

2017

Type:

Scientific Journal

Station:

Forest Products Laboratory

DOI:

https://doi.org/10.1016/j.matlet.2017.05.125

Source:

Materials Letters. 203: 42-45.

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Abstract

The formation of carbon-based nanomaterials was investigated through heating iron nitrate promoted kraft lignin at different temperatures up to 600°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°C. X-ray diffraction results indicated that iron oxides nanoparticles started their formation as an amorphous carbon matrix at 300°C, and turned into α-Fe nanoparticles at 600°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 α-Fe working as the catalyst.

Keywords

Kraft lignin, multi-layer graphene, formation mechanism, iron oxides nanoparticles, a-Fe nanoparticles

Citation

Zhang, Xuefeng; Yan, Qiangu; Hassan, El Barbary; Li, Jinghao; Cai, Zhiyong; Zhang, Jilei. 2017. Temperature effects on formation of carbon-based nanomaterials from kraft lignin. Materials Letters. 203: 42-45.