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Dr.-ing Alexander Vahl
Dr.-ing Alexander Vahl
Kiel University, Faculty of Engineering, Multicomponent Materials, Nanoparticles for Functional
Verified email at tf.uni-kiel.de - Homepage
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Year
Tuning ZnO sensors reactivity toward volatile organic compounds via Ag doping and nanoparticle functionalization
V Postica, A Vahl, D Santos-Carballal, T Dankwort, L Kienle, M Hoppe, ...
ACS applied materials & interfaces 11 (34), 31452-31466, 2019
652019
Single target sputter deposition of alloy nanoparticles with adjustable composition via a gas aggregation cluster source
A Vahl, J Strobel, W Reichstein, O Polonskyi, T Strunskus, L Kienle, ...
Nanotechnology 28 (17), 175703, 2017
632017
A comparative study of photocatalysis on highly active columnar TiO2 nanostructures in-air and in-solution
MZ Ghori, S Veziroglu, B Henkel, A Vahl, O Polonskyi, T Strunskus, ...
Solar Energy Materials and Solar Cells 178, 170-178, 2018
602018
3D-Printed Chemiresistive Sensor Array on Nanowire CuO/Cu2O/Cu Heterojunction Nets
L Siebert, O Lupan, M Mirabelli, N Ababii, MI Terasa, S Kaps, V Cretu, ...
ACS applied materials & interfaces 11 (28), 25508-25515, 2019
522019
Pathways to Tailor Photocatalytic Performance of TiO2 Thin Films Deposited by Reactive Magnetron Sputtering
A Vahl, S Veziroglu, B Henkel, T Strunskus, O Polonskyi, OC Aktas, ...
Materials 12 (17), 2840, 2019
512019
Facile fabrication of semiconducting oxide nanostructures by direct ink writing of readily available metal microparticles and their application as low power acetone gas sensors
L Siebert, N Wolff, N Ababii, MI Terasa, O Lupan, A Vahl, V Duppel, H Qiu, ...
Nano Energy 70, 104420, 2020
472020
Tuning doping and surface functionalization of columnar oxide films for volatile organic compound sensing: experiments and theory
V Postica, A Vahl, J Strobel, D Santos-Carballal, O Lupan, ...
Journal of Materials Chemistry A 6 (46), 23669-23682, 2018
372018
Single CuO/Cu2O/Cu Microwire Covered by a Nanowire Network as a Gas Sensor for the Detection of Battery Hazards
O Lupan, N Ababii, AK Mishra, O Gronenberg, A Vahl, U Schürmann, ...
ACS Applied Materials & Interfaces 12 (37), 42248-42263, 2020
322020
Surface functionalization of ZnO: Ag columnar thin films with AgAu and AgPt bimetallic alloy nanoparticles as an efficient pathway for highly sensitive gas discrimination and …
A Vahl, O Lupan, D Santos-Carballal, V Postica, S Hansen, H Cavers, ...
Journal of Materials Chemistry A 8 (32), 16246-16264, 2020
282020
Pd-functionalized ZnO: Eu columnar films for room-temperature hydrogen gas sensing: a combined experimental and computational approach
C Lupan, R Khaledialidusti, AK Mishra, V Postica, MI Terasa, N Magariu, ...
ACS applied materials & interfaces 12 (22), 24951-24964, 2020
272020
The impact of O2/Ar ratio on morphology and functional properties in reactive sputtering of metal oxide thin films
A Vahl, J Dittmann, J Jetter, S Veziroglu, S Shree, N Ababii, O Lupan, ...
Nanotechnology 30 (23), 235603, 2019
252019
Concept and modelling of memsensors as two terminal devices with enhanced capabilities in neuromorphic engineering
A Vahl, J Carstensen, S Kaps, O Lupan, T Strunskus, R Adelung, F Faupel
Scientific Reports 9 (1), 4361, 2019
252019
Effect of noble metal functionalization and film thickness on sensing properties of sprayed TiO2 ultra-thin films
N Ababii, M Hoppe, S Shree, A Vahl, M Ulfa, T Pauporte, B Viana, V Cretu, ...
Sensors and Actuators A: Physical 293, 242-258, 2019
242019
Self-organized nanocrack networks: a pathway to enlarge catalytic surface area in sputtered ceramic thin films, showcased for photocatalytic TiO2
B Henkel, A Vahl, OC Aktas, T Strunskus, F Faupel
Nanotechnology 29 (3), 035703, 2017
232017
Heterostructure-based devices with enhanced humidity stability for H2 gas sensing applications in breath tests and portable batteries
O Lupan, N Ababii, AK Mishra, MT Bodduluri, N Magariu, A Vahl, ...
Sensors and Actuators A: Physical 329, 112804, 2021
222021
TiO2/Cu2O/CuO Multi-Nanolayers as Sensors for H2 and Volatile Organic Compounds: An Experimental and Theoretical Investigation
O Lupan, D Santos-Carballal, N Ababii, N Magariu, S Hansen, A Vahl, ...
ACS Applied Materials & Interfaces 13 (27), 32363-32380, 2021
212021
Tailoring the selectivity of ultralow-power heterojunction gas sensors by noble metal nanoparticle functionalization
O Lupan, N Ababii, D Santos-Carballal, MI Terasa, N Magariu, D Zappa, ...
Nano Energy 88, 106241, 2021
202021
Diffusive memristive switching on the nanoscale, from individual nanoparticles towards scalable nanocomposite devices
A Vahl, N Carstens, T Strunskus, F Faupel, A Hassanien
Scientific reports 9 (1), 1-10, 2019
192019
Electron beam effects on oxide thin films—structure and electrical property correlations
KK Neelisetty, X Mu, S Gutsch, A Vahl, A Molinari, F Von Seggern, ...
Microscopy and Microanalysis 25 (3), 592-600, 2019
192019
Cauliflower-like CeO 2–TiO 2 hybrid nanostructures with extreme photocatalytic and self-cleaning properties
S Veziroglu, K Röder, O Gronenberg, A Vahl, O Polonskyi, T Strunskus, ...
Nanoscale 11 (20), 9840-9844, 2019
192019
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