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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00004979naa a2200493 4500
001oai:lup.lub.lu.se:47ec8ab7-d337-4488-91df-87d07a212378
003SwePub
008171110s2017 | |||||||||||000 ||eng|
009oai:DiVA.org:kth-217544
0247 a https://lup.lub.lu.se/record/47ec8ab7-d337-4488-91df-87d07a2123782 URI
0247 a https://doi.org/10.1021/acs.jpcc.7b064862 DOI
0247 a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-2175442 URI
040 a (SwePub)lud (SwePub)kth
041 a engb eng
042 9 SwePub
072 7a art2 swepub-publicationtype
072 7a ref2 swepub-contenttype
1001 a Soldemo, Markusu KTH,KTH Royal Institute of Technology,Materialfysik, MF4 aut0 (Swepub:kth)u1vch1o0
2451 0a Interaction of sulfur dioxide and near-ambient pressures of water vapor with cuprous oxide surfaces
264 c 2017-10-18
264 1b American Chemical Society (ACS),c 2017
500 a QC 20171116
520 a The interaction of water vapor and sulfur dioxide (SO2) with single crystal cuprous oxide (Cu2O) surfaces of (100) and (111) termination was studied by photoelectron spectroscopy (PES) and density functional theory (DFT). Exposure to near-ambient pressures of water vapor, at 5 × 10-3 %RH and 293 K, hydroxylates both Cu2O surfaces with OH coverage up to 0.38 copper monolayers (ML) for (100) and 0.25 ML for (111). O 1s surface core level shifts indicate that the hydroxylation lifts the (3,0;1,1) reconstruction of the clean (100) surface. On both clean Cu2O terminations, SO2 adsorbs to unsaturated surface oxygen atoms to form SO3 species with coverage, after a saturating SO2 dose, corresponding to 0.20 ML on the Cu2O(100) surface and 0.09 ML for the Cu2O(111) surface. Our combined DFT and PES results suggest that the SO2 to SO3 transformation is largely facilitated by unsaturated copper atoms at the Cu2O(111) surface. SO3-terminated surfaces exposed to low doses of water vapor (=100 langmuirs) in ultrahigh vacuum show no adsorption or reaction. However, during exposure to near-ambient pressures of water vapor, the SO3 species dissociate, and sulfur replaces a Cu2O lattice oxygen in a reaction that forms Cu2S. The hydroxylation of the Cu2O surfaces is believed to play a central role in the reaction.
650 7a NATURVETENSKAPx Fysikx Den kondenserade materiens fysik0 (SwePub)103042 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciencesx Condensed Matter Physics0 (SwePub)103042 hsv//eng
650 7a NATURVETENSKAPx Kemix Fysikalisk kemi0 (SwePub)104022 hsv//swe
650 7a NATURAL SCIENCESx Chemical Sciencesx Physical Chemistry0 (SwePub)104022 hsv//eng
650 7a NATURVETENSKAPx Kemix Oorganisk kemi0 (SwePub)104042 hsv//swe
650 7a NATURAL SCIENCESx Chemical Sciencesx Inorganic Chemistry0 (SwePub)104042 hsv//eng
7001 a Halldin Stenlid, Joakimu KTH,KTH Royal Institute of Technology,Tillämpad fysikalisk kemi4 aut0 (Swepub:kth)u1709vkg
7001 a Besharat, Zahrau KTH,KTH Royal Institute of Technology,Materialfysik, MF4 aut0 (Swepub:kth)u1i8i7y1
7001 a Johansson, Niclasu Lund University,Lunds universitet,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)slju-naj
7001 a Önsten, Anneliu KTH,KTH Royal Institute of Technology,Materialfysik, MF4 aut0 (Swepub:kth)u1i81w4r
7001 a Knudsen, Janu Lund University,Lunds universitet,MAX IV-laboratoriet,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,MAX IV Laboratory,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)slju-jks
7001 a Schnadt, Joachimu Lund University,Lunds universitet,MAX IV-laboratoriet,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,MAX IV Laboratory,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)slju-jst
7001 a Göthelid, Matsu KTH,KTH Royal Institute of Technology,Materialfysik, MF4 aut0 (Swepub:kth)u1uq5dqb
7001 a Brinck, Toreu KTH,KTH Royal Institute of Technology,Tillämpad fysikalisk kemi4 aut0 (Swepub:kth)u1ar43qu
7001 a Weissenrieder, Jonasu KTH,KTH Royal Institute of Technology,Materialfysik, MF4 aut0 (Swepub:kth)u1dg6qtm
7102 a KTH Royal Institute of Technologyb Materialfysik, MF4 org
7730 t Journal of Physical Chemistry Cd : American Chemical Society (ACS)g 121:43, s. 24011-24024q 121:43<24011-24024x 1932-7447x 1932-7455
8564 u http://dx.doi.org/10.1021/acs.jpcc.7b06486y FULLTEXT
8564 8u https://lup.lub.lu.se/record/47ec8ab7-d337-4488-91df-87d07a212378
8564 8u https://doi.org/10.1021/acs.jpcc.7b06486
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-217544

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