Klett, Joachim (2016)
Interface and catalyst investigation for solar water splitting.
Technische Universität Darmstadt
Dissertation, Erstveröffentlichung
Kurzbeschreibung (Abstract)
In this thesis model experiments for a photoelectrochemical water splitting device were performed. The goal was to identify loss mechanisms that reduce the efficiency of the photoelectrochemical device. This includes losses associated with solid state contacts, i.e. charge transfer into the protection layer and catalyst particles, as well as overvoltage losses encountered during catalysis.
Additionally, fundamental photoelectron spectroscopy measurements revealed the complicated nature of small supported catalyst particles. Here, a direct dependence of their electronic structure with respect to their substrate material and deposition techniques was identified. Furthermore, subsequent water adsorption also changes the energetic alignment between support and catalyst.
Typ des Eintrags: | Dissertation | ||||
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Erschienen: | 2016 | ||||
Autor(en): | Klett, Joachim | ||||
Art des Eintrags: | Erstveröffentlichung | ||||
Titel: | Interface and catalyst investigation for solar water splitting | ||||
Sprache: | Englisch | ||||
Referenten: | Schäfer, Prof. Dr. Rolf ; Jaegermann, Prof. Dr. Wolfram ; Hess, Prof. Dr. Christian ; Kramm, Prof. Dr. Ulrike | ||||
Publikationsjahr: | 22 März 2016 | ||||
Ort: | Darmstadt | ||||
Datum der mündlichen Prüfung: | 22 März 2016 | ||||
URL / URN: | http://tuprints.ulb.tu-darmstadt.de/5396 | ||||
Kurzbeschreibung (Abstract): | In this thesis model experiments for a photoelectrochemical water splitting device were performed. The goal was to identify loss mechanisms that reduce the efficiency of the photoelectrochemical device. This includes losses associated with solid state contacts, i.e. charge transfer into the protection layer and catalyst particles, as well as overvoltage losses encountered during catalysis. Additionally, fundamental photoelectron spectroscopy measurements revealed the complicated nature of small supported catalyst particles. Here, a direct dependence of their electronic structure with respect to their substrate material and deposition techniques was identified. Furthermore, subsequent water adsorption also changes the energetic alignment between support and catalyst. |
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Alternatives oder übersetztes Abstract: |
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URN: | urn:nbn:de:tuda-tuprints-53969 | ||||
Sachgruppe der Dewey Dezimalklassifikatin (DDC): | 500 Naturwissenschaften und Mathematik > 500 Naturwissenschaften 500 Naturwissenschaften und Mathematik > 540 Chemie |
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Fachbereich(e)/-gebiet(e): | 07 Fachbereich Chemie 07 Fachbereich Chemie > Eduard Zintl-Institut > Fachgebiet Physikalische Chemie |
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Hinterlegungsdatum: | 08 Mai 2016 19:55 | ||||
Letzte Änderung: | 08 Mai 2016 19:55 | ||||
PPN: | |||||
Referenten: | Schäfer, Prof. Dr. Rolf ; Jaegermann, Prof. Dr. Wolfram ; Hess, Prof. Dr. Christian ; Kramm, Prof. Dr. Ulrike | ||||
Datum der mündlichen Prüfung / Verteidigung / mdl. Prüfung: | 22 März 2016 | ||||
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