The effect of catalyst precursors on the mechanism of iron-catalysed graphitization of cellulose

Emily C. Hayward; Glen J. Smales; Brian R. Pauw; Masaki Takeguchi; Alexander Kulak; Robert D. Hunter; Zoe Schnepp

doi:10.1039/D4SU00365A

Article The effect of catalyst precursors on the mechanism of iron-catalysed graphitization of cellulose

Emily C. Hayward (University of Birmingham) ; Glen J. Smales (Bundesanstalt für Materialforschung und -prüfung) ; Brian R. Pauw (Bundesanstalt für Materialforschung und -prüfung) ; Masaki Takeguchi (Research Center for Energy and Environmental Materials (GREEN)/Battery and Cell Materials Field/Environment-Controlled Microscopy Group, National Institute for Materials Science) ; Alexander Kulak (University of Leeds) ; Robert D. Hunter (Imperial College London) ; Zoe Schnepp (University of Birmingham)

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Emily C. Hayward, Glen J. Smales, Brian R. Pauw, Masaki Takeguchi, Alexander Kulak, Robert D. Hunter, Zoe Schnepp. The effect of catalyst precursors on the mechanism of iron-catalysed graphitization of cellulose. RSC Sustainability. 2024, 2 (11), 3490-3499. https://doi.org/10.1039/D4SU00365A

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Iron-catalyzed graphitization of biomass is a simple and sustainable route to carbons with high graphitic content. In this paper, we demonstrate that the choice of catalyst is also critical to the carbon structure. Aqueous iron(III) nitrate and iron(III) chloride convert cellulose to carbons with very different textural properties. This is due to the choice of iron catalyst changing the mechanism of cellulose decomposition and also the nature of the active graphitization catalyst.

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