Influence of Synthesis Conditions on the Crystal, Local Atomic, Electronic Structure, and Catalytic Properties of (Pr<sub>1−<i>x</i></sub>Yb<sub><i>x</i></sub>)<sub>2</sub>Zr<sub>2</sub>O<sub>7</sub> (0 ≤ <i>x</i> ≤ 1) Powders
The influence of Yb<sup>3+</sup> cations substitution for Pr<sup>3+</sup> on the structure and catalytic activity of (Pr<sub>1−<i>x</i></sub>Yb<sub><i>x</i></sub>)<sub>2</sub>Zr<sub>2</sub>O<sub>7&l...
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| Format: | Article |
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MDPI AG
2023-09-01
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| Series: | Crystals |
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| Online Access: | https://www.mdpi.com/2073-4352/13/9/1405 |
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| author | Victor V. Popov Ekaterina B. Markova Yan V. Zubavichus Alexey P. Menushenkov Alexey A. Yastrebtsev Bulat R. Gaynanov Olga V. Chernysheva Andrei A. Ivanov Sergey G. Rudakov Maria M. Berdnikova Alexander A. Pisarev Elizaveta S. Kulikova Nickolay A. Kolyshkin Evgeny V. Khramov Victor N. Khrustalev Igor V. Shchetinin Nadezhda A. Tsarenko Natalia V. Ognevskaya Olga N. Seregina |
| author_facet | Victor V. Popov Ekaterina B. Markova Yan V. Zubavichus Alexey P. Menushenkov Alexey A. Yastrebtsev Bulat R. Gaynanov Olga V. Chernysheva Andrei A. Ivanov Sergey G. Rudakov Maria M. Berdnikova Alexander A. Pisarev Elizaveta S. Kulikova Nickolay A. Kolyshkin Evgeny V. Khramov Victor N. Khrustalev Igor V. Shchetinin Nadezhda A. Tsarenko Natalia V. Ognevskaya Olga N. Seregina |
| author_sort | Victor V. Popov |
| collection | DOAJ |
| description | The influence of Yb<sup>3+</sup> cations substitution for Pr<sup>3+</sup> on the structure and catalytic activity of (Pr<sub>1−<i>x</i></sub>Yb<sub><i>x</i></sub>)<sub>2</sub>Zr<sub>2</sub>O<sub>7</sub> powders synthesized via coprecipitation followed by calcination is studied using a combination of long- (s-XRD), medium- (Raman, FT-IR, and SEM-EDS) and short-range (XAFS) sensitive methods, as well as adsorption and catalytic techniques. It is established that chemical composition and calcination temperature are the two major factors that govern the phase composition, crystallographic, and local-structure parameters of these polycrystalline materials. The crystallographic and local-structure parameters of (Pr<sub>1−<i>x</i></sub>Yb<sub><i>x</i></sub>)<sub>2</sub>Zr<sub>2</sub>O<sub>7</sub> samples prepared at 1400 °C/3 h demonstrate a tight correlation with their catalytic activity towards propane cracking. The progressive replacement of Pr<sup>3+</sup> with Yb<sup>3+</sup> cations gives rise to an increase in the catalytic activity. A mechanism of the catalytic cracking of propane is proposed, which considers the geometrical match between the metal–oxygen (Pr–O, Yb–O, and Zr–O) bond lengths within the active sites and the size of adsorbed propane molecule to be the decisive factor governing the reaction route. |
| first_indexed | 2024-03-10T22:53:37Z |
| format | Article |
| id | doaj.art-ce5dec57dff048fa83f9c1097cdb79b7 |
| institution | Directory Open Access Journal |
| issn | 2073-4352 |
| language | English |
| last_indexed | 2024-03-10T22:53:37Z |
| publishDate | 2023-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Crystals |
| spelling | doaj.art-ce5dec57dff048fa83f9c1097cdb79b72023-11-19T10:10:12ZengMDPI AGCrystals2073-43522023-09-01139140510.3390/cryst13091405Influence of Synthesis Conditions on the Crystal, Local Atomic, Electronic Structure, and Catalytic Properties of (Pr<sub>1−<i>x</i></sub>Yb<sub><i>x</i></sub>)<sub>2</sub>Zr<sub>2</sub>O<sub>7</sub> (0 ≤ <i>x</i> ≤ 1) PowdersVictor V. Popov0Ekaterina B. Markova1Yan V. Zubavichus2Alexey P. Menushenkov3Alexey A. Yastrebtsev4Bulat R. Gaynanov5Olga V. Chernysheva6Andrei A. Ivanov7Sergey G. Rudakov8Maria M. Berdnikova9Alexander A. Pisarev10Elizaveta S. Kulikova11Nickolay A. Kolyshkin12Evgeny V. Khramov13Victor N. Khrustalev14Igor V. Shchetinin15Nadezhda A. Tsarenko16Natalia V. Ognevskaya17Olga N. Seregina18Department of Solid State Physics and Nanosystems, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Moscow 115409, RussiaDepartment of Physical and Colloid Chemistry, Faculty of Science, RUDN University, Moscow 117198, RussiaSynchrotron Radiation Facility SKIF, Boreskov Institute of Catalysis SB RAS, Koltsovo 630559, RussiaDepartment of Solid State Physics and Nanosystems, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Moscow 115409, RussiaDepartment of Solid State Physics and Nanosystems, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Moscow 115409, RussiaDepartment of Solid State Physics and Nanosystems, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Moscow 115409, RussiaDepartment of Solid State Physics and Nanosystems, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Moscow 115409, RussiaDepartment of Solid State Physics and Nanosystems, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Moscow 115409, RussiaDepartment of Solid State Physics and Nanosystems, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Moscow 115409, RussiaDepartment of Solid State Physics and Nanosystems, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Moscow 115409, RussiaDepartment of Solid State Physics and Nanosystems, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Moscow 115409, RussiaKurchatov Synchrotron Radiation Source, National Research Center Kurchatov Institute, Moscow 123182, RussiaKurchatov Synchrotron Radiation Source, National Research Center Kurchatov Institute, Moscow 123182, RussiaKurchatov Synchrotron Radiation Source, National Research Center Kurchatov Institute, Moscow 123182, RussiaDepartment of Physical and Colloid Chemistry, Faculty of Science, RUDN University, Moscow 117198, RussiaMaterial Science Department, National University of Science and Technology MISiS, Moscow 119049, RussiaJSC Design & Survey and Research & Development Institute of Industrial Technology, Moscow 115409, RussiaJSC Design & Survey and Research & Development Institute of Industrial Technology, Moscow 115409, RussiaJSC Design & Survey and Research & Development Institute of Industrial Technology, Moscow 115409, RussiaThe influence of Yb<sup>3+</sup> cations substitution for Pr<sup>3+</sup> on the structure and catalytic activity of (Pr<sub>1−<i>x</i></sub>Yb<sub><i>x</i></sub>)<sub>2</sub>Zr<sub>2</sub>O<sub>7</sub> powders synthesized via coprecipitation followed by calcination is studied using a combination of long- (s-XRD), medium- (Raman, FT-IR, and SEM-EDS) and short-range (XAFS) sensitive methods, as well as adsorption and catalytic techniques. It is established that chemical composition and calcination temperature are the two major factors that govern the phase composition, crystallographic, and local-structure parameters of these polycrystalline materials. The crystallographic and local-structure parameters of (Pr<sub>1−<i>x</i></sub>Yb<sub><i>x</i></sub>)<sub>2</sub>Zr<sub>2</sub>O<sub>7</sub> samples prepared at 1400 °C/3 h demonstrate a tight correlation with their catalytic activity towards propane cracking. The progressive replacement of Pr<sup>3+</sup> with Yb<sup>3+</sup> cations gives rise to an increase in the catalytic activity. A mechanism of the catalytic cracking of propane is proposed, which considers the geometrical match between the metal–oxygen (Pr–O, Yb–O, and Zr–O) bond lengths within the active sites and the size of adsorbed propane molecule to be the decisive factor governing the reaction route.https://www.mdpi.com/2073-4352/13/9/1405praseodymium/ytterbium zirconatescrystal and local structurescatalytic cracking of propanesynchrotron XRDX-ray absorption fine structure (XAFS)Raman spectroscopy |
| spellingShingle | Victor V. Popov Ekaterina B. Markova Yan V. Zubavichus Alexey P. Menushenkov Alexey A. Yastrebtsev Bulat R. Gaynanov Olga V. Chernysheva Andrei A. Ivanov Sergey G. Rudakov Maria M. Berdnikova Alexander A. Pisarev Elizaveta S. Kulikova Nickolay A. Kolyshkin Evgeny V. Khramov Victor N. Khrustalev Igor V. Shchetinin Nadezhda A. Tsarenko Natalia V. Ognevskaya Olga N. Seregina Influence of Synthesis Conditions on the Crystal, Local Atomic, Electronic Structure, and Catalytic Properties of (Pr<sub>1−<i>x</i></sub>Yb<sub><i>x</i></sub>)<sub>2</sub>Zr<sub>2</sub>O<sub>7</sub> (0 ≤ <i>x</i> ≤ 1) Powders Crystals praseodymium/ytterbium zirconates crystal and local structures catalytic cracking of propane synchrotron XRD X-ray absorption fine structure (XAFS) Raman spectroscopy |
| title | Influence of Synthesis Conditions on the Crystal, Local Atomic, Electronic Structure, and Catalytic Properties of (Pr<sub>1−<i>x</i></sub>Yb<sub><i>x</i></sub>)<sub>2</sub>Zr<sub>2</sub>O<sub>7</sub> (0 ≤ <i>x</i> ≤ 1) Powders |
| title_full | Influence of Synthesis Conditions on the Crystal, Local Atomic, Electronic Structure, and Catalytic Properties of (Pr<sub>1−<i>x</i></sub>Yb<sub><i>x</i></sub>)<sub>2</sub>Zr<sub>2</sub>O<sub>7</sub> (0 ≤ <i>x</i> ≤ 1) Powders |
| title_fullStr | Influence of Synthesis Conditions on the Crystal, Local Atomic, Electronic Structure, and Catalytic Properties of (Pr<sub>1−<i>x</i></sub>Yb<sub><i>x</i></sub>)<sub>2</sub>Zr<sub>2</sub>O<sub>7</sub> (0 ≤ <i>x</i> ≤ 1) Powders |
| title_full_unstemmed | Influence of Synthesis Conditions on the Crystal, Local Atomic, Electronic Structure, and Catalytic Properties of (Pr<sub>1−<i>x</i></sub>Yb<sub><i>x</i></sub>)<sub>2</sub>Zr<sub>2</sub>O<sub>7</sub> (0 ≤ <i>x</i> ≤ 1) Powders |
| title_short | Influence of Synthesis Conditions on the Crystal, Local Atomic, Electronic Structure, and Catalytic Properties of (Pr<sub>1−<i>x</i></sub>Yb<sub><i>x</i></sub>)<sub>2</sub>Zr<sub>2</sub>O<sub>7</sub> (0 ≤ <i>x</i> ≤ 1) Powders |
| title_sort | influence of synthesis conditions on the crystal local atomic electronic structure and catalytic properties of pr sub 1 i x i sub yb sub i x i sub sub 2 sub zr sub 2 sub o sub 7 sub 0 ≤ i x i ≤ 1 powders |
| topic | praseodymium/ytterbium zirconates crystal and local structures catalytic cracking of propane synchrotron XRD X-ray absorption fine structure (XAFS) Raman spectroscopy |
| url | https://www.mdpi.com/2073-4352/13/9/1405 |
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