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Рентгеновская фотоэлектронная спектроскопия, химические связи и структура кислород- и кислородфторсодержащих соединений графита

Рентгеновская фотоэлектронная спектроскопия, химические связи и структура кислород- и кислородфторсодержащих соединений графита

Abstract

Chemical bonds and structure of oxygenand oxygen-fluorine-containing compounds of graphite were investigated by X-ray photoelectron spectroscopy. It was found that the excess of the upper limit of carbon lattice oxidation (followed by a change in the type of chemical bonds between the matrix and intercalate) occurs on the phase of hydrolysis of compounds. It was shown that the inhomogeneous electronic structure of the initial carbon matrix (or its fragments) is a necessary condition for the formation of bonds of the so-called semi-ionic («semi-covalent») type between carbon and fluorine and extended layered carbon structure is not necessary for the formation of such bonds.

Методом рентгеновской фотоэлектронной спектроскопии изучены химические связи и структура кислороди кислородфторсодержащих соединений графита. Установлено, что превышение верхнего предела окисления углеродной решетки, за которым следует изменение типа химических связей между матрицей и интеркалатом, происходит на этапе гидролиза соединений. Найдено, что неоднородное электронное строение исходной углеродной матрицы (или ее фрагментов) является необходимым условием для образования между углеродом и фтором связей так называемого полуионного («полуковалентного») типа, а протяженная слоистая углеродная структура необязательна для формирования таких связей.

Keywords

ГРАФИТ, ИНТЕРКАЛИРОВАННЫЕ СОЕДИНЕНИЯ ГРАФИТА, ХИМИЧЕСКАЯ СВЯЗЬ, СТРУКТУРА, КИСЛОРОД, ФТОР, РЕНТГЕНОВСКАЯ ФОТОЭЛЕКТРОННАЯ СПЕКТРОСКОПИЯ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold