ArticleChemistry (Weinheim an der Bergstrasse, Germany)2020
Thermal Decomposition of Ternary Sodium Graphite Intercalation Compounds.
Article in Chemistry (Weinheim an der Bergstrasse, Germany), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed.
- Platinum deposition on functionalised graphene for corrosion resistant oxygen reduction electrodes.Journal of materials chemistry. A · 2022Article
- Effect of graphene flake size on functionalisation: quantifying reaction extent and imaging locus with single Pt atom tags.Chemical science · 2021Article
- Thermal Decomposition of Ternary Sodium Graphite Intercalation Compounds.Chemistry (Weinheim an der Bergstrasse, Germany) · 2020Article
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Authors and funding
5 authors.
Funding
Abstract
Graphite intercalation compounds (GICs) are often used to produce exfoliated or functionalised graphene related materials (GRMs) in a specific solvent. This study explores the formation of the Na-tetrahydrofuran (THF)-GIC and a new ternary system based on dimethylacetamide (DMAc). Detailed comparisons of in situ temperature dependent XRD with TGA-MS and Raman measurements reveal a series of dynamic transformations during heating. Surprisingly, the bulk of the intercalation compound is stable under ambient conditions, trapped between the graphene sheets. The heating process drives a reorganisation of the solvent and Na molecules, then an evaporation of the solvent; however, the solvent loss is arrested by restacking of the graphene layers, leading to trapped solvent bubbles. Eventually, the bubbles rupture, releasing the remaining solvent and creating expanded graphite. These trapped dopants may provide useful property enhancements, but also potentially confound measurements of grafting efficiency in liquid-phase covalent functionalization experiments on 2D materials.
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