Organometallic route to dimolybdenum carbide via a low-temperature pyrolysis of a dimolybdenum alkyne complex

Organometallic route to dimolybdenum carbide via a low-temperature pyrolysis of a dimolybdenum alkyne complex

Pyrolytic transformation of the complex Cp2Mo2(CO)4(dmad) (Cp = cyclopentadienyl, dmad = dimethylacetylenedicarboxylate) under hydrogen at 550 C gives, after a passivation step, Mo2C with an excess of carbon and oxygen. These impurities can be withdrawn with an appropriate reductive post-treatment....

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Veröffentlicht in:Journal of materials science 1993-05, Vol.28 (9), p.2449-2454
Hauptverfasser: GIRAUDON, J.-M, LECLERCQ, L, LECLERCQ, G, LOFBERG, A, FRENNET, A
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Sprache:eng
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Chemistry
Exact sciences and technology
Organic chemistry
Organometalloidal and organometallic compounds
Preparations and properties
Transition metals derivatives
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container_end_page 2454
container_issue 9
container_start_page 2449
container_title Journal of materials science
container_volume 28
creator GIRAUDON, J.-M
LECLERCQ, L
LECLERCQ, G
LOFBERG, A
FRENNET, A
description Pyrolytic transformation of the complex Cp2Mo2(CO)4(dmad) (Cp = cyclopentadienyl, dmad = dimethylacetylenedicarboxylate) under hydrogen at 550 C gives, after a passivation step, Mo2C with an excess of carbon and oxygen. These impurities can be withdrawn with an appropriate reductive post-treatment. Based on TGA and pyrolysis mass spectroscopy performed on the precursors, a preliminary decomposition mechanism has been proposed. 8 refs.
doi_str_mv 10.1007/BF01151678
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subjects Chemistry
Exact sciences and technology
Organic chemistry
Organometalloidal and organometallic compounds
Preparations and properties
Transition metals derivatives
title Organometallic route to dimolybdenum carbide via a low-temperature pyrolysis of a dimolybdenum alkyne complex
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