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Single-Site Heterogeneous Catalysts and Photocatalysts for Emerging Applications

Single-Site Heterogeneous Catalysts and Photocatalysts for Emerging Applications
Single-Site Heterogeneous Catalysts and Photocatalysts for Emerging Applications

Single-site heterogeneous catalysts and photocatalysts have received great attention in recent years, which is due to their superior activity and selectivity values achieved in numerous applications. Aside from the excellent performance displayed by virtue of their intrinsic properties, they are also promising from the elemental sustainability standpoint. Single-site systems possess well-defined active centers with unique and identical behavior, which allows for the precise determination of structure-activity relationships as well as mechanism investigation. The design and development of single-site-based catalysts and photocatalysts are fascinating yet challenging, since those active centers might lack stability under reaction conditions because of their tendency to evolve, forming larger clusters and nanoparticles, so the selection of a suitable support matrix is highly desirable. In this chapter, representative examples of single-site catalysts and photocatalysts are included by pointing out their superior performance in important applications of diverse type. For the catalytic systems, examples of Au-, Pt-, and Pd-based catalysts are briefly described, while highlighting the role of the support in affording stable catalytic centers with outstanding performance in several applications, such as CO oxidation, water-gas shift reaction, hydrogenation reactions, and production of hydrogen. Further, the photocatalytic systems of Ti, Cr, and V-oxide moieties incorporated in porous frameworks of silica and zeolites are discussed for their catalytic applications in NO decomposition, CO2 reduction, partial oxidation of hydrocarbons, and alkene epoxidation under UV and visible-light irradiation.

0097-6156
151-188
American Chemical Society
Navlani-García, Miriam
86e1c59a-0c82-415a-ac98-0989b039544c
Verma, Priyanka
a826bc8d-272c-4a8b-82ae-2d86affd497f
Salinas-Torres, David
d96df411-c626-4ed0-a2db-3c3957b8016b
Raja, Robert
74faf442-38a6-4ac1-84f9-b3c039cb392b
Mori, Kohsuke
6c5edbbc-7202-486e-be49-dfd06dd7778e
Yamashita, Hiromi
fec03e29-7093-4b3d-bf7f-6a58a152b838
Sudarsanam, Putla
Singh, Lakhveer
Navlani-García, Miriam
86e1c59a-0c82-415a-ac98-0989b039544c
Verma, Priyanka
a826bc8d-272c-4a8b-82ae-2d86affd497f
Salinas-Torres, David
d96df411-c626-4ed0-a2db-3c3957b8016b
Raja, Robert
74faf442-38a6-4ac1-84f9-b3c039cb392b
Mori, Kohsuke
6c5edbbc-7202-486e-be49-dfd06dd7778e
Yamashita, Hiromi
fec03e29-7093-4b3d-bf7f-6a58a152b838
Sudarsanam, Putla
Singh, Lakhveer

Navlani-García, Miriam, Verma, Priyanka, Salinas-Torres, David, Raja, Robert, Mori, Kohsuke and Yamashita, Hiromi (2020) Single-Site Heterogeneous Catalysts and Photocatalysts for Emerging Applications. In, Sudarsanam, Putla and Singh, Lakhveer (eds.) ACS Symposium Series. (ACS Symposium Series, , (doi:10.1021/bk-2020-1360.ch007), 1360) American Chemical Society, pp. 151-188. (doi:10.1021/bk-2020-1360.ch007).

Record type: Book Section

Abstract

Single-site heterogeneous catalysts and photocatalysts have received great attention in recent years, which is due to their superior activity and selectivity values achieved in numerous applications. Aside from the excellent performance displayed by virtue of their intrinsic properties, they are also promising from the elemental sustainability standpoint. Single-site systems possess well-defined active centers with unique and identical behavior, which allows for the precise determination of structure-activity relationships as well as mechanism investigation. The design and development of single-site-based catalysts and photocatalysts are fascinating yet challenging, since those active centers might lack stability under reaction conditions because of their tendency to evolve, forming larger clusters and nanoparticles, so the selection of a suitable support matrix is highly desirable. In this chapter, representative examples of single-site catalysts and photocatalysts are included by pointing out their superior performance in important applications of diverse type. For the catalytic systems, examples of Au-, Pt-, and Pd-based catalysts are briefly described, while highlighting the role of the support in affording stable catalytic centers with outstanding performance in several applications, such as CO oxidation, water-gas shift reaction, hydrogenation reactions, and production of hydrogen. Further, the photocatalytic systems of Ti, Cr, and V-oxide moieties incorporated in porous frameworks of silica and zeolites are discussed for their catalytic applications in NO decomposition, CO2 reduction, partial oxidation of hydrocarbons, and alkene epoxidation under UV and visible-light irradiation.

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Published date: 1 January 2020

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Local EPrints ID: 446334
URI: http://eprints.soton.ac.uk/id/eprint/446334
ISSN: 0097-6156
PURE UUID: 2528f871-1ea9-4580-9501-cf63bf98f836
ORCID for Priyanka Verma: ORCID iD orcid.org/0000-0002-2616-0489
ORCID for Robert Raja: ORCID iD orcid.org/0000-0002-4161-7053

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Date deposited: 04 Feb 2021 17:34
Last modified: 18 Feb 2021 17:41

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Contributors

Author: Miriam Navlani-García
Author: Priyanka Verma ORCID iD
Author: David Salinas-Torres
Author: Robert Raja ORCID iD
Author: Kohsuke Mori
Author: Hiromi Yamashita
Editor: Putla Sudarsanam
Editor: Lakhveer Singh

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