TY  - JOUR
AU  - Shipilin, Mikhail
AU  - Degerman, David
AU  - Lömker, Patrick
AU  - Goodwin, Christopher M.
AU  - Rodrigues, Gabriel L. S.
AU  - Wagstaffe, Michael
AU  - Gladh, Jörgen
AU  - Wang, Hsin-Yi
AU  - Stierle, Andreas
AU  - Schlueter, Christoph
AU  - Pettersson, Lars G. M.
AU  - Nilsson, Anders
AU  - Amann, Peter
TI  - In Situ Surface-Sensitive Investigation of Multiple Carbon Phases on Fe(110) in the Fischer–Tropsch Synthesis
JO  - ACS catalysis
VL  - 12
SN  - 2155-5435
CY  - Washington, DC
PB  - ACS
M1  - PUBDB-2022-03141
SP  - 7609 - 7621
PY  - 2022
AB  - Carbide formation on iron-based catalysts is an integral and, arguably, the most important part of the Fischer–Tropsch synthesis process, converting CO and H2 into synthetic fuels and numerous valuable chemicals. Here, we report an in situ surface-sensitive study of the effect of pressure, temperature, time, and gas feed composition on the growth dynamics of two distinct iron–carbon phases with the octahedral and trigonal prismatic coordination of carbon sites on an Fe(110) single crystal acting as a model catalyst. Using a combination of state-of-the-art X-ray photoelectron spectroscopy at an unprecedentedly high pressure, high-energy surface X-ray diffraction, mass spectrometry, and theoretical calculations, we reveal the details of iron surface carburization and product formation under semirealistic conditions. We provide a detailed insight into the state of the catalyst’s surface in relation to the reaction.
LB  - PUB:(DE-HGF)16
C6  - 35815066
UR  - <Go to ISI:>//WOS:000893251300001
DO  - DOI:10.1021/acscatal.2c00905
UR  - https://bib-pubdb1.desy.de/record/479518
ER  -