Water as a cosolvent – Effective tool to avoid phase separation in bimetallic Ni-Cu catalysts obtained via supercritical antisolvent approach

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Water as a cosolvent – Effective tool to avoid phase separation in bimetallic Ni-Cu catalysts obtained via supercritical antisolvent approach. / Nesterov, N. S.; Pakharukova, V. P.; Martyanov, O. N.

In: Journal of Supercritical Fluids, Vol. 130, 12.2017, p. 133-139.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{242cee8ce3a3472db7ebf24991fd103c,

title = "Water as a cosolvent – Effective tool to avoid phase separation in bimetallic Ni-Cu catalysts obtained via supercritical antisolvent approach",

abstract = "A series of Ni-Cu metal catalysts were synthesized using supercritical antisolvent (SAS) approach under conditions of controlled water content in the initial solution of precursors. It is shown that low content of water in methanol (up to 9 vol.%) helps to adjust the structure, texture and morphology of the obtained materials. The water additives promote the formation of carbonate phase that during further decomposition and reduction steps allows obtaining the solid Ni1‐xCux solution without phase separation. In particular the addition of 7 and more vol.% of water leads to the complete introduction of Cu into the Ni crystal lattice without formation of separate enriched phases of Ni or Cu.",

keywords = "Catalyst preparation, Green chemistry, Heterogeneous catalysts, Supercritical antisolvent, OXIDATION, FLUIDS, OXIDE, DOPED CARBON NANOFIBERS, SIZE, AMBIENT-TEMPERATURE, ANTI-SOLVENT PRECIPITATION, CO, NANOPARTICLES, METHANE DECOMPOSITION",

author = "Nesterov, {N. S.} and Pakharukova, {V. P.} and Martyanov, {O. N.}",

year = "2017",

month = dec,

doi = "10.1016/j.supflu.2017.08.002",

language = "English",

volume = "130",

pages = "133--139",

journal = "Journal of Supercritical Fluids",

issn = "0896-8446",

publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Water as a cosolvent – Effective tool to avoid phase separation in bimetallic Ni-Cu catalysts obtained via supercritical antisolvent approach

AU - Nesterov, N. S.

AU - Pakharukova, V. P.

AU - Martyanov, O. N.

PY - 2017/12

Y1 - 2017/12

N2 - A series of Ni-Cu metal catalysts were synthesized using supercritical antisolvent (SAS) approach under conditions of controlled water content in the initial solution of precursors. It is shown that low content of water in methanol (up to 9 vol.%) helps to adjust the structure, texture and morphology of the obtained materials. The water additives promote the formation of carbonate phase that during further decomposition and reduction steps allows obtaining the solid Ni1‐xCux solution without phase separation. In particular the addition of 7 and more vol.% of water leads to the complete introduction of Cu into the Ni crystal lattice without formation of separate enriched phases of Ni or Cu.

AB - A series of Ni-Cu metal catalysts were synthesized using supercritical antisolvent (SAS) approach under conditions of controlled water content in the initial solution of precursors. It is shown that low content of water in methanol (up to 9 vol.%) helps to adjust the structure, texture and morphology of the obtained materials. The water additives promote the formation of carbonate phase that during further decomposition and reduction steps allows obtaining the solid Ni1‐xCux solution without phase separation. In particular the addition of 7 and more vol.% of water leads to the complete introduction of Cu into the Ni crystal lattice without formation of separate enriched phases of Ni or Cu.

KW - Catalyst preparation

KW - Green chemistry

KW - Heterogeneous catalysts

KW - Supercritical antisolvent

KW - OXIDATION

KW - FLUIDS

KW - OXIDE

KW - DOPED CARBON NANOFIBERS

KW - SIZE

KW - AMBIENT-TEMPERATURE

KW - ANTI-SOLVENT PRECIPITATION

KW - CO

KW - NANOPARTICLES

KW - METHANE DECOMPOSITION

UR - http://www.scopus.com/inward/record.url?scp=85028987904&partnerID=8YFLogxK

U2 - 10.1016/j.supflu.2017.08.002

DO - 10.1016/j.supflu.2017.08.002

M3 - Article

AN - SCOPUS:85028987904

VL - 130

SP - 133

EP - 139

JO - Journal of Supercritical Fluids

JF - Journal of Supercritical Fluids

SN - 0896-8446

ER -

ID: 9915063