Quantum Size Effect in Bimetallic Nanoparticles Obtained via Thermolysis of Solid Solutions of Co(II), Ni(II), Zn(II) Salts of Maleic Acid Full article
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Russian Journal of Physical Chemistry A
ISSN: 0036-0244 , E-ISSN: 1531-863X |
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| Output data | Year: 2020, Volume: 94, Number: 10, Pages: 2108-2114 Pages count : 7 DOI: 10.1134/S0036024420100325 | ||||||
| Tags | catalysts; maleates; metal/polymer composites; nanoparticles; nanotubes; quantum size effect; solid solutions; thermal decomposition; transition metals | ||||||
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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 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. © 2020, Pleiades Publishing, Ltd.
Cite:
Yudanova L.I.
, Logvinenko V.A.
, Ishchenko A.V.
, Rudina N.A.
Quantum Size Effect in Bimetallic Nanoparticles Obtained via Thermolysis of Solid Solutions of Co(II), Ni(II), Zn(II) Salts of Maleic Acid
Russian Journal of Physical Chemistry A. 2020. V.94. N10. P.2108-2114. DOI: 10.1134/S0036024420100325 WOS Scopus РИНЦ AN OpenAlex
Quantum Size Effect in Bimetallic Nanoparticles Obtained via Thermolysis of Solid Solutions of Co(II), Ni(II), Zn(II) Salts of Maleic Acid
Russian Journal of Physical Chemistry A. 2020. V.94. N10. P.2108-2114. DOI: 10.1134/S0036024420100325 WOS Scopus РИНЦ AN OpenAlex
Original:
Юданова Л.И.
, Логвиненко В.А.
, Ищенко А.В.
, Рудина Н.А.
Квантово-размерный эффект в биметаллических наночастицах, полученных термолизом твердых растворов солей малеиновой кислоты Co(II), Ni(II), Zn(II)
Журнал физической химии. 2020. Т.94. №10. С.1539-1546. DOI: 10.31857/S0044453720100325 РИНЦ OpenAlex
Квантово-размерный эффект в биметаллических наночастицах, полученных термолизом твердых растворов солей малеиновой кислоты Co(II), Ni(II), Zn(II)
Журнал физической химии. 2020. Т.94. №10. С.1539-1546. DOI: 10.31857/S0044453720100325 РИНЦ OpenAlex
Dates:
| Submitted: | Nov 8, 2019 |
| Accepted: | Mar 17, 2020 |
| Published print: | Oct 1, 2020 |
| Published online: | Oct 3, 2020 |
Identifiers:
| Web of science: | WOS:000574746000023 |
| Scopus: | 2-s2.0-85091920360 |
| Elibrary: | 45291883 |
| Chemical Abstracts: | 2020:1991969 |
| OpenAlex: | W3091603326 |