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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003365nam a2200397 4500
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003SwePub
008221027s2022 | |||||||||||000 ||eng|
020 a 9789180394246
020 a 9789180394239
0247 a https://lup.lub.lu.se/record/581d0135-5d87-44f6-a0ca-d1da2a22babe2 URI
040 a (SwePub)lu
041 a engb eng
042 9 SwePub
072 7a dok2 swepub-publicationtype
072 7a vet2 swepub-contenttype
1001 a Pfaff, Sebastianu Lund University,Lunds universitet,Förbränningsfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,LTH profilområde: Energiomställningen,LTH profilområden,Combustion Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,LTH Profile Area: The Energy Transition,LTH Profile areas,Faculty of Engineering, LTH4 aut0 (Swepub:lu)se8453pf
2451 0a On the Chemical Romance Between Gas and Surface, and how to Illuminate it
264 1c 2022
300 a 197 s.
338 a electronic2 rdacarrier
4900 a Lund Reports on Combustion Physics,x 1102-8718x 1102-8718
520 a An increasing number of catalysis experiments are conducted at higher pressures to bridge the pressure gap. This means that we need to measure not only the sample surface but also the gas phase around the sample with spatial resolution. This thesis treats the development and applications of two optical techniques that can be used to image the surface of a model catalyst together with the surrounding gas: planar laser-induced fluorescence (PLIF) and 2D-surface optical reflectance (2D-SOR). The strengths and weaknesses of the techniques are discussed. Examples are used to show how the techniques can be applied to study active model catalysts \textit{in situ} under ambient pressure conditions. PLIF is used to image the CO and CO₂ concentrations around various Pd model catalysts during the CO oxidation reaction. 2D-SOR is used to show the surface oxidation process during the same reaction. We show how PLIF and 2D-SOR can be combined with additional techniques, primarily high-energy surface X-ray diffraction (HESXRD), thermography, mass spectrometry (MS) and polarisation modulation infrared reflection absorption spectroscopy (PMIRRAS).Finally, we show how PLIF and 2D-SOR can be used to bridge the so-called materials gap by taking advantage of the spatial resolution of the techniques to study polycrystalline samples. These samples, which exhibit a plethora of surface structures, can be seen as a step towards more industry-like samples.
650 7a NATURVETENSKAPx Fysikx Atom- och molekylfysik och optik0 (SwePub)103022 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciencesx Atom and Molecular Physics and Optics0 (SwePub)103022 hsv//eng
653 a planar laser-induced fluorescence
653 a surface optical reflectance
653 a model catalysis
653 a palladium
653 a polycrystal
653 a CO oxidation
653 a heterogeneous catalysis
653 a Fysicumarkivet A:2022:Pfaff
7102 a Förbränningsfysikb Fysiska institutionen4 org
8564 u https://portal.research.lu.se/files/126931418/e_spik_ex_Pfaff.pdfx primaryx freey FULLTEXT
8564 8u https://lup.lub.lu.se/record/581d0135-5d87-44f6-a0ca-d1da2a22babe

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