Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Lasse R. Jørgensen"'
Locating Fe dopants in catalytic PtPd nanoparticles on γ-alumina using X-ray absorption spectroscopy
Autor:
Leif Højslet Christensen, Lasse R. Jørgensen, Christian Kallesøe, Jonas Beyer, Espen Eikeland, Toshiaki Ina, Henrik L. Hellstern, Hugo Silva, Bo B. Iversen
Publikováno v:
Eikeland, E Z, Silva, H, Jørgensen, L R, Beyer, J, Ina, T, Hellstern, H L, Kallesøe, C, Christensen, L H & Iversen, B B 2021, ' Locating Fe dopants in catalytic PtPd nanoparticles on γ-alumina using X-ray absorption spectroscopy ', Catalysis Science and Technology, vol. 11, no. 5, pp. 1961-1964 . https://doi.org/10.1039/d0cy02307h
Addition of Fe to PtPd nanoparticles on γ-alumina is known to increase catalytic activity. This is shown to stem from increased Pt-Pd coordination during thermal aging which induces microstrain. X-ray absorption spectroscopy analysis reveals that th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::942515b59beb4e7d67a7da292a87ba29
https://doi.org/10.1039/d0cy02307h
https://doi.org/10.1039/d0cy02307h
Publikováno v:
ACS applied materialsinterfaces. 13(38)
β-Zn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::5a7d5bca40c56d8fbbe969ec3869ff7d
https://pubmed.ncbi.nlm.nih.gov/34544237
https://pubmed.ncbi.nlm.nih.gov/34544237
Autor:
Kasper A. Borup, Bo B. Iversen, Lasse R. Jørgensen, Christian Moeslund Zeuthen, Martin Roelsgaard
Publikováno v:
Jørgensen, L R, Borup, K, Zeuthen, C M, Roelsgaard, M & Iversen, B B 2021, ' Operando structural investigations of thermoelectric materials ', Journal of Applied Crystallography, vol. 54, pp. 1189-1197 . https://doi.org/10.1107/S1600576721006294
Operando characterization provides direct insight into material response under application conditions and it is essential to understand the stability limits of thermoelectric materials and their decomposition mechanisms. An operando setup capable of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d4115079447fec4a757285a427b69706
https://pure.au.dk/portal/da/publications/operando-structural-investigations-of-thermoelectric-materials(dd53600a-04e0-436c-afc7-38a61b7c0c07).html
https://pure.au.dk/portal/da/publications/operando-structural-investigations-of-thermoelectric-materials(dd53600a-04e0-436c-afc7-38a61b7c0c07).html
Publikováno v:
ACS applied materials & interfaces 13(38), 45708-45716 (2021). doi:10.1021/acsami.1c11263
Fischer, K F F, Bjerg, J H, Jørgensen, L R & Iversen, B B 2021, ' Stability and Thermoelectric Properties of Zn 4 Sb 3 with TiO 2 Nanoparticle Inclusions ', ACS Applied Materials and Interfaces, vol. 13, no. 38, pp. 45708-45716 . https://doi.org/10.1021/acsami.1c11263
Fischer, K F F, Bjerg, J H, Jørgensen, L R & Iversen, B B 2021, ' Stability and Thermoelectric Properties of Zn 4 Sb 3 with TiO 2 Nanoparticle Inclusions ', ACS Applied Materials and Interfaces, vol. 13, no. 38, pp. 45708-45716 . https://doi.org/10.1021/acsami.1c11263
ACS applied materials & interfaces 13(38), 45708-45716 (2021). doi:10.1021/acsami.1c11263
β-Zn$_4$Sb$_3$ is a cheap nontoxic high-performance thermoelectric material, which unfortunately suffers from stability issues because of zinc migration i
β-Zn$_4$Sb$_3$ is a cheap nontoxic high-performance thermoelectric material, which unfortunately suffers from stability issues because of zinc migration i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7ca669209421dbe8e888923cb30de8a
https://bib-pubdb1.desy.de/record/465580
https://bib-pubdb1.desy.de/record/465580
Publikováno v:
Jørgensen, L R, Zeuthen, C B, Reardon, H & Iversen, B B 2018, ' Is SrZn 2 Sb 2 a Realistic Candidate for High-Temperature Thermoelectric Applications? ', Journal of Physical Chemistry C, vol. 122, no. 10, pp. 5317-5324 . https://doi.org/10.1021/acs.jpcc.8b00037
The structure and thermal stability of thermoelectric (TE) SrZn2Sb2 have been probed by means of both in situ and ex situ powder X-ray diffraction, differential scanning calorimetry (DSC), thermogravimetry, and inductively coupled plasma optical emis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e60a25d1c3b93d778bcaea8996b343a4
https://doi.org/10.1021/acs.jpcc.8b00037
https://doi.org/10.1021/acs.jpcc.8b00037
Publikováno v:
Fischer, K F F, Jørgensen, L R, Reardon, H, Zhang, J & Iversen, B B 2018, ' Is RuAs 2 a candidate for high temperature thermoelectric applications? ', Physical Chemistry Chemical Physics, vol. 20, no. 15, pp. 9930-9937 . https://doi.org/10.1039/c8cp00820e
The mineral inspired material RuAs2 shows promise as a thermoelectric material with its high stability and attractive band structure. In order to validate these expectations phase-pure polycrystalline ruthenium arsenide was synthesized and densified
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e51fce52e83e9c126e3471c478bb6a3a
https://doi.org/10.1039/c8cp00820e
https://doi.org/10.1039/c8cp00820e
Autor:
Bjarke Svane, Kasper Tolborg, Mads R. V. Jørgensen, Bo B. Iversen, Martin Roelsgaard, Lasse R. Jørgensen
Publikováno v:
Svane, B, Tolborg, K, Jørgensen, L R, Roelsgaard, M, Jørgensen, M R V & Iversen, B B 2019, ' Multipole electron densities and atomic displacement parameters in urea from accurate powder X-ray diffraction ', Acta Crystallographica Section A: Foundations and Advances, vol. 75, pp. 600-609 . https://doi.org/10.1107/S205327331900799X
Electron density determination based on structure factors obtained through powder X-ray diffraction has so far been limited to high-symmetry inorganic solids. This limit is challenged by determining high-quality structure factors for crystalline urea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::abf475eb10a323825d5e4474abe761ad
https://pure.au.dk/portal/da/publications/multipole-electron-densities-and-atomic-displacement-parameters-in-urea-from-accurate-powder-xray-diffraction(8d3c3a7b-4abe-4c61-9a8e-f376fcd8e952).html
https://pure.au.dk/portal/da/publications/multipole-electron-densities-and-atomic-displacement-parameters-in-urea-from-accurate-powder-xray-diffraction(8d3c3a7b-4abe-4c61-9a8e-f376fcd8e952).html
Publikováno v:
Physical chemistry chemical physics : PCCP. 20(15)
The mineral inspired material RuAs2 shows promise as a thermoelectric material with its high stability and attractive band structure. In order to validate these expectations phase-pure polycrystalline ruthenium arsenide was synthesized and densified
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::8b1cd200d8f1290a1bb34fc425cf28a8
https://pubmed.ncbi.nlm.nih.gov/29619460
https://pubmed.ncbi.nlm.nih.gov/29619460
Publikováno v:
Jørgensen, L R, Zhang, J, Zeuthen, C B & Iversen, B B 2018, ' Thermal stability of Mg 3 Sb 1.475 Bi 0.475 Te 0.05 high performance n-type thermoelectric investigated through powder X-ray diffraction and pair distribution function analysis ', Journal of Materials Chemistry A, vol. 6, no. 35, pp. 17171-17176 . https://doi.org/10.1039/c8ta06544f
Cheap and non-toxic n-type Mg3Sb2 based materials exhibit outstanding thermoelectric properties, but for actual applications it is essential to scrutinize their behavior under high temperature conditions. Here, powder samples of nominal composition M
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5af471f8a5973ef6d2e3ffda975e7d4a
https://pure.au.dk/portal/da/publications/thermal-stability-of-mg3sb1475bi0475te005-high-performance-ntype-thermoelectric-investigated-through-powder-xray-diffraction-and-pair-distribution-function-analysis(6c748bff-4d06-4001-8bc9-488e9897b0df).html
https://pure.au.dk/portal/da/publications/thermal-stability-of-mg3sb1475bi0475te005-high-performance-ntype-thermoelectric-investigated-through-powder-xray-diffraction-and-pair-distribution-function-analysis(6c748bff-4d06-4001-8bc9-488e9897b0df).html
Publikováno v:
Applied Physics Letters; 4/3/2023, Vol. 122 Issue 14, p1-6, 6p