Markus Schleuning
YOU?
Author Swipe
View article: Photoelectrochemical Properties of CuFeO<sub>2</sub> Photocathodes Prepared by Pulsed Laser Deposition
Photoelectrochemical Properties of CuFeO<sub>2</sub> Photocathodes Prepared by Pulsed Laser Deposition Open
Photoelectrochemical (PEC) water splitting using tandem cell devices offers a promising method for generating green hydrogen from solar energy. Developing suitable semiconductor materials is crucial for the cost-effectiveness and scalabili…
View article: Increasing the Collection Efficiency in Selenium Thin-Film Solar Cells Using a Closed-Space Annealing Strategy
Increasing the Collection Efficiency in Selenium Thin-Film Solar Cells Using a Closed-Space Annealing Strategy Open
Elemental\nselenium is an interesting candidate for the\ntop cell\nin tandem solar cells due to its wide bandgap of EG ≈ 1.95 eV as well as its monatomic simplicity.\nTo realize high-efficiency selenium solar cells, it is crucial to\noptim…
View article: Elucidating the Role of Ligand Engineering on Local and Macroscopic Charge‐Carrier Transport in NaBiS<sub>2</sub> Nanocrystal Thin Films
Elucidating the Role of Ligand Engineering on Local and Macroscopic Charge‐Carrier Transport in NaBiS<sub>2</sub> Nanocrystal Thin Films Open
Ternary chalcogenides have emerged as potential candidates for ultrathin photovoltaics, and NaBiS 2 nanocrystals (NCs) have gained appeal because of their months‐long phase‐stability in air, high absorption coefficients >10 5 cm −1 , and a…
View article: Carrier Localization on the Nanometer‐Scale limits Transport in Metal Oxide Photoabsorbers
Carrier Localization on the Nanometer‐Scale limits Transport in Metal Oxide Photoabsorbers Open
Metal oxides are considered as stable and low‐cost photoelectrode candidates for hydrogen production by photoelectrochemical solar water splitting. However, their power conversion efficiencies usually suffer from poor transport of photogen…
View article: Generalized Method to Extract Carrier Diffusion Length from Photoconductivity Transients: Cases of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll"><mml:msub><mml:mi>BiVO</mml:mi><mml:mn>4</mml:mn></mml:msub></mml:math>, Halide Perovskites, and Amorphous and Crystalline Silicon
Generalized Method to Extract Carrier Diffusion Length from Photoconductivity Transients: Cases of , Halide Perovskites, and Amorphous and Crystalline Silicon Open
Long diffusion lengths of photoexcited charge carriers are crucial for high power conversion efficiencies of photoelectrochemical and photovoltaic devices. Time-resolved photoconductance measurements are often used to determine diffusion l…
View article: Predicting Solar Cell Performance from Terahertz and Microwave Spectroscopy
Predicting Solar Cell Performance from Terahertz and Microwave Spectroscopy Open
Mobilities and lifetimes of photogenerated charge carriers are core properties of photovoltaic materials and can both be characterized by contactless terahertz or microwave measurements. Here, the expertise from fifteen laboratories is com…
View article: The role of selective contacts and built-in field for charge separation and transport in photoelectrochemical devices
The role of selective contacts and built-in field for charge separation and transport in photoelectrochemical devices Open
The principal driving force for charge carrier separation in a PEC cell is given by the QFL gradients. Upon illumination the E-field is reduced by the amount of photovoltage delivered. Selective contacts are thus decisive for device perfor…
View article: Overcoming Phase‐Purity Challenges in Complex Metal Oxide Photoelectrodes: A Case Study of CuBi<sub>2</sub>O<sub>4</sub>
Overcoming Phase‐Purity Challenges in Complex Metal Oxide Photoelectrodes: A Case Study of CuBi<sub>2</sub>O<sub>4</sub> Open
The widespread application of solar‐water‐splitting for energy conversion depends on the progress of photoelectrodes that uphold stringent criteria from photoabsorber materials. After investigating almost all possible elemental and binary …
View article: Interfacial Oxide Formation Limits the Photovoltage of α‐SnWO<sub>4</sub>/NiO<i><sub>x</sub></i> Photoanodes Prepared by Pulsed Laser Deposition
Interfacial Oxide Formation Limits the Photovoltage of α‐SnWO<sub>4</sub>/NiO<i><sub>x</sub></i> Photoanodes Prepared by Pulsed Laser Deposition Open
α‐SnWO 4 is a promising metal oxide photoanode material for direct photoelectrochemical water splitting. With a band gap of 1.9 eV, it ideally matches the requirements as a top absorber in a tandem device theoretically capable of achieving…
View article: Grain Boundaries Limit the Charge Carrier Transport in Pulsed Laser Deposited α-SnWO<sub>4</sub> Thin Film Photoabsorbers
Grain Boundaries Limit the Charge Carrier Transport in Pulsed Laser Deposited α-SnWO<sub>4</sub> Thin Film Photoabsorbers Open
Recently, α-SnWO4 attracted attention as a material to be used as a top absorber in a tandem device for photoelectrochemical water splitting due to its nearly optimum band gap of ∼1.9 eV and an early photocurrent onset potential of ∼0 V ve…
View article: Correlative Study of Enhanced Excitonic Emission in ZnO Coated with Al\n Nanoparticles using Electron and Laser Excitation
Correlative Study of Enhanced Excitonic Emission in ZnO Coated with Al\n Nanoparticles using Electron and Laser Excitation Open
Metal nanoparticle (NP) surface coatings are known to significantly enhance\nthe ultra-violet luminescence intensity of ZnO. Although there is general\nagreement that resonantly excited Localized Surface Plasmons (LSPs) in metal\nNPs can d…