ArticleProceedings of the National Academy of Sciences of the United States of America2022
Crystalline C
Article in Proceedings of the National Academy of Sciences of the United States of America, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- A Coarse-Grained Molecular Dynamics Model for Analysis of Mesoscale Carbon Nanothread Structures.Polymers · 2026Article
- Individualization and Purification of Carbon Nanothreads.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
- Cyclobutane-linked nanothreads through thermal and photochemically mediated polymerization of cyclohexadiene.Polymer chemistry · 2025Article
- Pressure aging: An effective process to liberate the power of high-pressure materials research.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- High pressure-derived nonsymmetrical [CuScience advances · 2024Article
- Insights on the Bonding Mechanism, Electronic and Optical Properties of Diamond Nanothread-Polymer and Cement-Boron Nitride Nanotube Composites.Molecules (Basel, Switzerland) · 2024Article
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13 authors.
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Abstract
Carbon nanothread (CNTh) is a “one-dimensional diamond polymer” that combines high tensile strength and flexibility, but it severely suffers from intrathread disorder. Here, by modifying the reactivity and the stacking ordering of the aromatic precursor, crystalline C3N3H3 CNTh with perfect hexagonal orientation and stacking was synthesized at 10.2 GPa and 573 K from s-triazine. By Rietveld refinement of X-ray diffraction data, gas chromatography mass spectrometry investigation, and theoretical calculation, we found that synthesized CNTh has a tube (3,0) structure, with the repeating s-triazine residue connected solely by C–N bonds along the thread. A “peri-cage” reaction, the concerted bonding between six C and N atoms, instead of [4 + 2] or [1,4] addition reactions, was concluded for the formation of CNThs, and the critical bonding distance between the nearest intermolecular C and N was ∼2.9 Å. The formation of a “structure-specific” crystalline CNTh with C and N orderly distributed highlighted the importance of reaction selectivity and stacking order of reactant molecules, which have great significance for understanding the polymerization of aromatic molecules under high pressure and developing new crystalline CNThs.
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