Quantum Size Effect in Bimetallic Nanoparticles Obtained via Thermolysis of Solid Solutions of Co(II), Ni(II), Zn(II) Salts of Maleic Acid

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Quantum Size Effect in Bimetallic Nanoparticles Obtained via Thermolysis of Solid Solutions of Co(II), Ni(II), Zn(II) Salts of Maleic Acid. / Yudanova, L. I.; Logvinenko, V. A.; Ishchenko, A. V. et al.

In: Russian Journal of Physical Chemistry A, Vol. 94, No. 10, 01.10.2020, p. 2108-2114.

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

BibTeX

@article{840b89cd5ab54a8bb7d25f8ece134823,

title = "Quantum Size Effect in Bimetallic Nanoparticles Obtained via Thermolysis of Solid Solutions of Co(II), Ni(II), Zn(II) Salts of Maleic Acid",

abstract = "Powder X-ray diffraction and the thermoanalytical characteristics of solid solutions with compositions [(CoxNi1 – x)(H2O)4(C4H3O4)2], [(CoxZn1 – x)(H2O)4(C4H3O4)2], [(NixZn1 – x)(H2O)4(C4H3O4)2] (0 < x < 1) are compared. The decomposition of solid solutions and their constituents when heated to 500°C in a flow of He is conventionally divided into three stages. Products of the thermolysis of solid solutions are found to be Co/Ni, Co/ZnO, and Ni/Zn bimetallic nanoparticles, respectively, embedded into the polymeric matrix of composites. It is shown that the thermal decomposition of solid solutions in the Curie curve upon a second order phase transition with the formation of the two-phase region found in Co/Ni bimetallic nanoparticles is a quantum size effect. The decomposition of [(Co0.1Zn0.9)(H2O)4(С4H3O4)2] solid solution removes the Co atoms (d = 2.5 {\AA}) embedded in channels of the ZnO structure. These atoms also serve as catalysts for the growth of a nanobrush of carbon nanotubes (CNTs) on the composite{\textquoteright}s surface at ≤500°C, another consequence of the quantum size effect. It is concluded that using a similar catalyst of CNT growth can appreciably lower the energy of the process.",

keywords = "catalysts, maleates, metal/polymer composites, nanoparticles, nanotubes, quantum size effect, solid solutions, thermal decomposition, transition metals, PHTHALIC ACIDS, metal, THERMAL-DECOMPOSITION, FE(II), polymer composites, SYSTEMS",

author = "Yudanova, {L. I.} and Logvinenko, {V. A.} and Ishchenko, {A. V.} and Rudina, {N. A.}",

year = "2020",

month = oct,

day = "1",

doi = "10.1134/S0036024420100325",

language = "English",

volume = "94",

pages = "2108--2114",

journal = "Russian Journal of Physical Chemistry A",

issn = "0036-0244",

publisher = "PLEIADES PUBLISHING INC",

number = "10",

}

RIS

TY - JOUR

T1 - Quantum Size Effect in Bimetallic Nanoparticles Obtained via Thermolysis of Solid Solutions of Co(II), Ni(II), Zn(II) Salts of Maleic Acid

AU - Yudanova, L. I.

AU - Logvinenko, V. A.

AU - Ishchenko, A. V.

AU - Rudina, N. A.

PY - 2020/10/1

Y1 - 2020/10/1

N2 - Powder X-ray diffraction and the thermoanalytical characteristics of solid solutions with compositions [(CoxNi1 – x)(H2O)4(C4H3O4)2], [(CoxZn1 – x)(H2O)4(C4H3O4)2], [(NixZn1 – x)(H2O)4(C4H3O4)2] (0 < x < 1) are compared. The decomposition of solid solutions and their constituents when heated to 500°C in a flow of He is conventionally divided into three stages. Products of the thermolysis of solid solutions are found to be Co/Ni, Co/ZnO, and Ni/Zn bimetallic nanoparticles, respectively, embedded into the polymeric matrix of composites. It is shown that the thermal decomposition of solid solutions in the Curie curve upon a second order phase transition with the formation of the two-phase region found in Co/Ni bimetallic nanoparticles is a quantum size effect. The decomposition of [(Co0.1Zn0.9)(H2O)4(С4H3O4)2] solid solution removes the Co atoms (d = 2.5 Å) embedded in channels of the ZnO structure. These atoms also serve as catalysts for the growth of a nanobrush of carbon nanotubes (CNTs) on the composite’s surface at ≤500°C, another consequence of the quantum size effect. It is concluded that using a similar catalyst of CNT growth can appreciably lower the energy of the process.

AB - Powder X-ray diffraction and the thermoanalytical characteristics of solid solutions with compositions [(CoxNi1 – x)(H2O)4(C4H3O4)2], [(CoxZn1 – x)(H2O)4(C4H3O4)2], [(NixZn1 – x)(H2O)4(C4H3O4)2] (0 < x < 1) are compared. The decomposition of solid solutions and their constituents when heated to 500°C in a flow of He is conventionally divided into three stages. Products of the thermolysis of solid solutions are found to be Co/Ni, Co/ZnO, and Ni/Zn bimetallic nanoparticles, respectively, embedded into the polymeric matrix of composites. It is shown that the thermal decomposition of solid solutions in the Curie curve upon a second order phase transition with the formation of the two-phase region found in Co/Ni bimetallic nanoparticles is a quantum size effect. The decomposition of [(Co0.1Zn0.9)(H2O)4(С4H3O4)2] solid solution removes the Co atoms (d = 2.5 Å) embedded in channels of the ZnO structure. These atoms also serve as catalysts for the growth of a nanobrush of carbon nanotubes (CNTs) on the composite’s surface at ≤500°C, another consequence of the quantum size effect. It is concluded that using a similar catalyst of CNT growth can appreciably lower the energy of the process.

KW - catalysts

KW - maleates

KW - metal/polymer composites

KW - nanoparticles

KW - nanotubes

KW - quantum size effect

KW - solid solutions

KW - thermal decomposition

KW - transition metals

KW - PHTHALIC ACIDS

KW - metal

KW - THERMAL-DECOMPOSITION

KW - FE(II)

KW - polymer composites

KW - SYSTEMS

UR - http://www.scopus.com/inward/record.url?scp=85091920360&partnerID=8YFLogxK

U2 - 10.1134/S0036024420100325

DO - 10.1134/S0036024420100325

M3 - Article

AN - SCOPUS:85091920360

VL - 94

SP - 2108

EP - 2114

JO - Russian Journal of Physical Chemistry A

JF - Russian Journal of Physical Chemistry A

SN - 0036-0244

IS - 10

ER -

ID: 25678054