Bimetallic AgPd/UiO-66 Hybrid Catalysts for Propylene Glycol Oxidation into Lactic Acid | Sciact - CRIS-система Института катализа

Bimetallic AgPd/UiO-66 Hybrid Catalysts for Propylene Glycol Oxidation into Lactic Acid Научная публикация

Журнал

Materials
ISSN: 1996-1944

Вых. Данные

Год: 2020, Том: 13, Номер: 23, Номер статьи : 5471, Страниц : 18 DOI: 10.3390/ma13235471

Ключевые слова

Bimetallic nanoparticles; Cascade propylene glycol oxidation; Lactic acid; Metal-organic framework; Palladium; Silver

Авторы

Ten Sergey ¹ , Torbina Viktoriia V. ¹ , Zaikovskii Vladimir I. ² , Kulinich Sergei A. ^3,4 , Vodyankina Olga ¹

Организации

1	Laboratory of Catalytic Research, Tomsk State University, 36 Lenin Ave., 634050 Tomsk, Russia
2	Boreskov Institute of Catalysis, 5, Lavrentiev Ave., 630090 Novosibirsk, Russia
3	Research Institute of Science & Technology, Tokai University, Kanagawa 259-1292, Japan
4	School of Natural Sciences, Far Eastern Federal University, 690091 Vladivostok, Russia

Информация о финансировании (1)

Российский научный фонд

19-73-30026 (АААА-А19-119052990037-6)

Different methods (the wetness impregnation of Ag and Pd precursors dissolved in water or acetonitrile solution, and the double solvent impregnation technique) were employed to immobilize Ag–Pd nanoparticles (NPs) into the pores of the microporous zirconium-based metal-organic framework known as UiO-66. The obtained materials were characterized by using nitrogen adsorption-desorption at −196 °C, powder X-ray diffraction, UV-Vis diffusion reflectance spectroscopy, and transition electron microscopy measurements. Special attention was paid to the acid and redox properties of the obtained materials, which were studied by using temperature-programmed desorption of ammonia (TPD-NH3) and temperature-programmed reduction (TPR-H2) methods. The use of a drying procedure prior to reduction was found to result in metallic NPs which, most likely, formed on the external surface and were larger than corresponding voids of the metal-organic framework. The formation of Ag–Pd alloy or monometallic Ag and Pd depended on the nature of both metal precursors and the impregnation solvent used. Catalytic activity of the AgPd/UiO-66 materials in propylene glycol oxidation was found to be a result of synergistic interaction between the components in AgPd alloyed NPs immobilized in the pore space and on the external surface of UiO-66. The key factor for consistent transformation of propylene glycol into lactic acid was the proximity between redox and acid-base species.

Ten S. , Torbina V.V. , Zaikovskii V.I. , Kulinich S.A. , Vodyankina O.
Bimetallic AgPd/UiO-66 Hybrid Catalysts for Propylene Glycol Oxidation into Lactic Acid

Materials. 2020. V.13. N23. 5471 :1-18. DOI: 10.3390/ma13235471 WOS Scopus РИНЦ CAPlus PMID OpenAlex

Полный текст от издателя

Поступила в редакцию:	12 нояб. 2020 г.
Принята к публикации:	28 нояб. 2020 г.
Опубликована online:	30 нояб. 2020 г.
Опубликована в печати:	1 дек. 2020 г.

Web of science:	WOS:000597492700001
Scopus:	2-s2.0-85097007769
РИНЦ:	45108377
Chemical Abstracts:	2020:2661828
PMID (PubMed):	33266341
OpenAlex:	W3109920093

БД	Цитирований
Scopus	11
Web of science	11
РИНЦ	13
OpenAlex	12