DOI: 10.1002/anie.201306899. Size‐Dependent Phase Transformation of Catalytically Active Nanoparticles Captured In Situ

Size‐Dependent Phase Transformation of Catalytically Active Nanoparticles Captured In Situ

10.1002/anie.201306899

Crossref journal-article

Wiley

Angewandte Chemie International Edition (311)

Abstract

AbstractThe utilization of metal nanoparticles traverses across disciplines and we continue to explore the intrinsic size‐dependent properties that make them so unique. Ideal nanoparticle formulation to improve a process’s efficiency is classically presented as exposing a greater surface area to volume ratio through decreasing the nanoparticle size. Although, the physiochemical characteristics of the nanoparticles, such as phase, structure, or behavior, may be influenced by the nature of the environment in which the nanoparticles are subjected1, 2 and, in some cases, could potentially lead to unwanted side effects. The degree of this influence on the particle properties can be size‐dependent, which is seldom highlighted in research. Herein we reveal such an effect in an industrially valuable cobalt Fischer–Tropsch synthesis (FTS) catalyst using novel in situ characterization. We expose a direct correlation that exists between the cobalt nanoparticle’s size and a phase transformation, which ultimately leads to catalyst deactivation.

Bibliography

Fischer, N., Clapham, B., Feltes, T., vanâSteen, E., & Claeys, M. (2014). SizeâDependent Phase Transformation of Catalytically Active Nanoparticles Captured InâSitu. Angewandte Chemie International Edition, 53(5), 1342â1345. Portico.

Authors 5

Nico Fischer (first)
Brett Clapham (additional)
Theresa Feltes (additional)
Eric van Steen (additional)
Michael Claeys (additional)

References 21 Referenced 79

10.1038/nature01845
10.1039/c1jm90095a
10.1039/b805427d
10.1021/cr050972v
10.1021/ja058282w
10.1016/j.jcat.2009.06.001
10.1021/ja3105889
{'key': 'e_1_2_3_8_2', 'volume-title': 'Fundamentals of industrial catalytic processes', 'author': 'Bartholomew C. H.', 'year': '2006'} / Fundamentals of industrial catalytic processes by Bartholomew C. H. (2006)
10.1021/ef00025a029
10.1016/S0167-2991(97)80334-5
10.1021/ja103002k
10.1021/jp045136o
10.1016/S0926-860X(02)00147-3
10.1016/j.cattod.2007.02.032
M.Claeys E.van Steen J. L.Visagie J.van de Loosdrecht PCT patent WO 2010/004419 A2 2010.
M.Claeys N.Fischer PCT patent WO 2013/005180 A1 2013.
10.1016/j.cattod.2011.03.018
10.2516/ogst/2008050
{'key': 'e_1_2_3_19_2', 'volume-title': 'Catalyst characterization: Physical techniques for solid materials', 'author': 'Dalmon J. A.', 'year': '1994'} / Catalyst characterization: Physical techniques for solid materials by Dalmon J. A. (1994)
{'key': 'e_1_2_3_20_2', 'first-page': '455', 'volume-title': 'Stud. Surf. Sci. Catal., Vol.\u200581', 'author': 'Schulz H.', 'year': '1994'} / Stud. Surf. Sci. Catal., Vol. 81 by Schulz H. (1994)
10.1016/j.susc.2007.09.060

Dates

Type	When
Created	11 years, 7 months ago (Jan. 21, 2014, 3:49 p.m.)
Deposited	1 year, 10 months ago (Oct. 16, 2023, 4:26 a.m.)
Indexed	2 months, 3 weeks ago (June 1, 2025, 12:16 a.m.)
Issued	11 years, 7 months ago (Jan. 21, 2014)
Published	11 years, 7 months ago (Jan. 21, 2014)
Published Online	11 years, 7 months ago (Jan. 21, 2014)
Published Print	11 years, 6 months ago (Jan. 27, 2014)

Funders 0

None

BibTeX

@article{Fischer_2014, title={Size‐Dependent Phase Transformation of Catalytically Active Nanoparticles Captured In Situ}, volume={53}, ISSN={1521-3773}, url={http://dx.doi.org/10.1002/anie.201306899}, DOI={10.1002/anie.201306899}, number={5}, journal={Angewandte Chemie International Edition}, publisher={Wiley}, author={Fischer, Nico and Clapham, Brett and Feltes, Theresa and van Steen, Eric and Claeys, Michael}, year={2014}, month=jan, pages={1342–1345} }

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