根据核磁共振氢谱分析，氧化石墨内部有两部分低迁移率的乙腈

IF 4.3 3区材料科学 Q2 MATERIALS SCIENCE, COATINGS & FILMS

Diamond and Related Materials Pub Date : 2025-04-26 DOI:10.1016/j.diamond.2025.112371

E.L. Vavilova , M. Yu Volkov , Y.V. Slesareva , D.A. Astvatsaturov , N.A. Chumakova

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引用次数: 0

摘要

用核磁共振氢谱研究了插入氧化石墨平面间空间的乙腈的分子迁移率。对不同温度下不同饱和度样品的光谱形态进行了详细的观察和分析。发现了两种分子迁移率不同的插层乙腈馏分的存在。测定了氧化石墨烯平面间乙腈分子迁移的有效活化能。

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$Two fractions of low mobility acetonitrile inside graphite oxide according to 1H NMR spectroscopy$

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Two fractions of low mobility acetonitrile inside graphite oxide according to 1H NMR spectroscopy

Molecular mobility of acetonitrile intercalated into the inter-plane space of graphite oxide was studied using ¹H NMR spectroscopy. The spectral shape for samples with different saturation level at different temperatures was observed and analyzed in detail. The existence of two fractions of intercalated acetonitrile with different molecular mobility was revealed. The effective activation energy for molecular mobility of acetonitrile in between the oxidized graphene planes was determined.

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来源期刊

Diamond and Related Materials 工程技术-材料科学：综合

CiteScore

6.00

自引率

14.60%

发文量

702

审稿时长

2.1 months

期刊介绍： DRM is a leading international journal that publishes new fundamental and applied research on all forms of diamond, the integration of diamond with other advanced materials and development of technologies exploiting diamond. The synthesis, characterization and processing of single crystal diamond, polycrystalline films, nanodiamond powders and heterostructures with other advanced materials are encouraged topics for technical and review articles. In addition to diamond, the journal publishes manuscripts on the synthesis, characterization and application of other related materials including diamond-like carbons, carbon nanotubes, graphene, and boron and carbon nitrides. Articles are sought on the chemical functionalization of diamond and related materials as well as their use in electrochemistry, energy storage and conversion, chemical and biological sensing, imaging, thermal management, photonic and quantum applications, electron emission and electronic devices. The International Conference on Diamond and Carbon Materials has evolved into the largest and most well attended forum in the field of diamond, providing a forum to showcase the latest results in the science and technology of diamond and other carbon materials such as carbon nanotubes, graphene, and diamond-like carbon. Run annually in association with Diamond and Related Materials the conference provides junior and established researchers the opportunity to exchange the latest results ranging from fundamental physical and chemical concepts to applied research focusing on the next generation carbon-based devices.