Route to Stabilization of Nanotechnetium in an Amorphous Carbon Matrix: Preparative Methods, XAFS Evidence, and Electrochemical Studies
Vitaly V. Kuznetsov,
Konstantin E. German,
Olga A. Nagovitsyna
et al.
Abstract:Technetium–carbon nanophases
are obtained by thermal
decomposition
of pertechnetates with large organic cations under an argon atmosphere.
Parallel carbonization of organic cations (hexamethyleneiminium and
triphenylguanidinium), which occurs during the thermal decomposition
of their pertechnetates, leads to the formation of X-ray amorphous
solid products. An X-ray absorption fine structure study revealed
that they have a crystal structure containing technetium–carbon
bonds with a length of 1.76 Å. After subse… Show more
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