Zobrazeno 1 - 10 of 18 pro vyhledávání: '"Ramona Gutkowski"'
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Combinatorial Search for New Solar Water Splitting Photoanode Materials in the Thin-Film System Fe–Ti–W–O
Autor: Prince Saurabh Bassi, Chinmay Khare, Wolfgang Schuhmann, Kirill Sliozberg, Ramona Gutkowski, Sebastian Fiechter, Alfred Ludwig, Mona Nowak, Swati Kumari, Fanxing Xi
Publikováno v: Zeitschrift für Physikalische Chemie. 234:867-885
In order to identify new solar water splitting photoanodes, Fe–Ti–W–O materials libraries were fabricated by combinatorial reactive co-sputtering and investigated by high-throughput characterization methods to elucidate compositional, thickness
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0e93c9454ceb41d9041d100774120507
https://doi.org/10.1515/zpch-2019-1462
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3
High-Throughput Characterization of Structural and Photoelectrochemical Properties of a Bi–Mo–W–O Thin-Film Materials Library
Autor: Wolfgang Schuhmann, Alfred Ludwig, Mona Nowak, Ramona Gutkowski, João R. C. Junqueira
Publikováno v: Zeitschrift für Physikalische Chemie. 234:835-845
A Bi–W–Mo–O thin-film materials library was fabricated by combinatorial reactive magnetron sputtering. The composition spread was investigated using high-throughput methods to determine crystalline phases, composition, morphology, optical prope
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4bbb2871874b255a55648d6df562c30d
https://doi.org/10.1515/zpch-2019-1439
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5
H2 quantification based on selective pre-concentration and oxidative stripping at Pd modified microelectrodes
Autor: Justus Masa, Wolfgang Schuhmann, Ramona Gutkowski, Dominique Koster
Publikováno v: Journal of Electroanalytical Chemistry. 812:207-212
A concept for amperometric detection and quantification of H2 employing a palladium microsensor is demonstrated. Resistive sensors exploit the outstanding affinity of Pd toward H2 absorption leading to a detectable modulation in resistivity, while am
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::01fdba91e13212409328e567f51ec191
https://doi.org/10.1016/j.jelechem.2017.12.030
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6
High-Resolution Analysis of Photoanodes for Water Splitting by Means of Scanning Photoelectrochemical Microscopy
Autor: Kirill Sliozberg, Wolfgang Schuhmann, Ramona Gutkowski, Stefanie Grützke, Felipe Conzuelo, Michaela Nebel
Publikováno v: Analytical Chemistry. 89:1222-1228
In pursuance of efficient tools for the local analysis and characterization of novel photoelectrocatalytic materials, several SECM-based techniques have been developed, aiming on the combined benefit of a local irradiation of the analyzed sample and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::27b7fab94120216020da34d498049185
https://doi.org/10.1021/acs.analchem.6b03706
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7
Unraveling compositional effects on the light-induced oxygen evolution in Bi(V–Mo–X)O4 material libraries
Autor: Alfred Ludwig, Felipe Conzuelo, Wolfgang Schuhmann, Ramona Gutkowski, Chinmay Khare, Yasin Ugur Kayran
Publikováno v: Energy & Environmental Science. 10:1213-1221
The influence of co-deposited transition metals X (X = Ta, W, Nb) with various relative concentrations on the photoelectrochemical performance of BiVO4 is investigated. Thin film material libraries with well-defined composition gradients of Bi, V and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::831d7184681b77c33f56b666ba7a8848
https://doi.org/10.1039/c7ee00287d
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8
Improved photoelectrochemical performance of electrodeposited metal-doped BiVO4 on Pt-nanoparticle modified FTO surfaces
Autor: Wolfgang Schuhmann, Ramona Gutkowski, Daniel Peeters
Publikováno v: Journal of Materials Chemistry A. 4:7875-7882
The recombination of photogenerated electron–hole pairs is one of the main limiting factors of photoelectrocatalysts absorbing in the visible part of the solar spectrum. Especially for BiVO4 the slow electron transport to the back contact facilitat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::432c661a72e1183a3245e4c756930a13
https://doi.org/10.1039/c6ta01340f
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9
Electrochemically induced sol–gel deposition of ZnO films on Pt-nanoparticle modified FTO surfaces for enhanced photoelectrocatalytic energy conversion
Autor: Wolfgang Schuhmann, Ramona Gutkowski
Publikováno v: Physical Chemistry Chemical Physics. 18:10758-10763
The low conductivity of transparent conductive oxides such as fluorine-doped tin oxides (FTO) has a high impact on the electrochemically induced deposition of semiconductor films for photoelectrocatalytic investigations. Furthermore, the often high r
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::85875ab6cc68ebd391b3002a6073e3f4
https://doi.org/10.1039/c5cp07678a
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10
New materials for the light-induced hydrogen evolution reaction from the Cu–Si–Ti–O system
Autor: Helge S. Stein, Alexander Siegel, Wolfgang Schuhmann, Ramona Gutkowski, Alfred Ludwig
Publikováno v: Journal of Materials Chemistry A. 4:3148-3152
Cu-containing photocathodes are generally limited by fast photocorrosion under working conditions. Hence stabilization of these materials is a key factor in their potential application for the light-induced hydrogen evolution reaction (HER). In order
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cfd638342fd83e50b5c70b8e0930d3d2
https://doi.org/10.1039/c5ta10186g
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