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View article: Influence of an Al‐Doped ZnO Interface Layer on the Thermochromic Properties of VO<sub>2</sub> Thin Films Deposited by RF Magnetron Sputtering
Influence of an Al‐Doped ZnO Interface Layer on the Thermochromic Properties of VO<sub>2</sub> Thin Films Deposited by RF Magnetron Sputtering Open
Vanadium dioxide (VO 2 ) is intensively studied due to its metallic‐to‐insulator phase transition exhibiting thermochromic properties. The deposition of thermochromic VO 2 thin films by magnetron sputtering is strongly dependent on process…
View article: Oxygen-defective electrostrictors for soft electromechanics
Oxygen-defective electrostrictors for soft electromechanics Open
Electromechanical metal oxides, such as piezoceramics, are often incompatible with soft polymers due to their crystallinity requirements, leading to high processing temperatures. This study explores the potential of ceria-based thin films …
View article: 3D Plasma-sheath-lenses:phenomenology and applications
3D Plasma-sheath-lenses:phenomenology and applications Open
View article: Universal Synthesis of Half‐Metallic Diatomic Catalysts for Efficient Oxygen Reduction Electrocatalysis
Universal Synthesis of Half‐Metallic Diatomic Catalysts for Efficient Oxygen Reduction Electrocatalysis Open
Developing efficient and low‐cost noble‐free metal electrocatalysts is an urgent requirement. Herein, a one‐step, solid‐state template‐assisted method for fabricating isolated half‐metallic diatomic M, Zn─N─C (M═Fe, Co, and Ni) catalysts i…
View article: Microscopic Cascading Devices for Boosting Mucus Penetration in Oral Drug Delivery—Micromotors Nesting Inside Microcontainers (Small 15/2023)
Microscopic Cascading Devices for Boosting Mucus Penetration in Oral Drug Delivery—Micromotors Nesting Inside Microcontainers (Small 15/2023) Open
Microscopic Cascading Devices In article number 2206330, Tijana Maric and co-workers present cascade drug delivery microdevices comprise of micromotors and microcontainers to deliver a model drug and move through porcine mucosa. The concep…
View article: Microscopic Cascading Devices for Boosting Mucus Penetration in Oral Drug Delivery—Micromotors Nesting Inside Microcontainers
Microscopic Cascading Devices for Boosting Mucus Penetration in Oral Drug Delivery—Micromotors Nesting Inside Microcontainers Open
In the case of macromolecules and poorly permeable drugs, oral drug delivery features low bioavailability and low absorption across the intestinal wall. Intestinal absorption can be improved if the drug formulation could be transported clo…
View article: Comparative Study of Aluminum-Doped Zinc Oxide, Gallium-Doped Zinc Oxide and Indium-Doped Tin Oxide Thin Films Deposited by Radio Frequency Magnetron Sputtering
Comparative Study of Aluminum-Doped Zinc Oxide, Gallium-Doped Zinc Oxide and Indium-Doped Tin Oxide Thin Films Deposited by Radio Frequency Magnetron Sputtering Open
A timely replacement of the rather expensive indium-doped tin oxide with aluminum-doped zinc oxide is hindered by the poor uniformity of electronic properties when deposited by magnetron sputtering. Recent results demonstrated the ability …
View article: Silver-substituted (Ag1-xCux)2ZnSnS4 solar cells from aprotic molecular inks
Silver-substituted (Ag1-xCux)2ZnSnS4 solar cells from aprotic molecular inks Open
To battle the high open-circuit voltage deficit (VOC,def) in kesterite (Cu2ZnSnS4 or CZTS) solar cells, a current field of research relates to point defect engineering by cation substitution. For example, by partly replacing Cu with an ele…
View article: Gettering in PolySi/SiO<i><sub>x</sub></i> Passivating Contacts Enables Si-Based Tandem Solar Cells with High Thermal and Contamination Resilience
Gettering in PolySi/SiO<i><sub>x</sub></i> Passivating Contacts Enables Si-Based Tandem Solar Cells with High Thermal and Contamination Resilience Open
Multijunction solar cells in a tandem configuration could further lower the costs of electricity if crystalline Si (c-Si) is used as the bottom cell. However, for direct monolithic integration on c-Si, only a restricted number of top and b…
View article: Random Occupation of Multimetal Sites in Transition Metal‐Organic Frameworks for Boosting the Oxygen Evolution Reaction
Random Occupation of Multimetal Sites in Transition Metal‐Organic Frameworks for Boosting the Oxygen Evolution Reaction Open
Developing robust oxygen evolution reaction (OER) electrocatalysts with excellent performance is essential for the conversion of renewable electricity to clean fuel. Herein, we present a facile concept for the synthesis of efficient high‐e…
View article: Preferential zinc sputtering during the growth of aluminum doped zinc oxide thin films by radio frequency magnetron sputtering
Preferential zinc sputtering during the growth of aluminum doped zinc oxide thin films by radio frequency magnetron sputtering Open
Zn depletion by energetic negative oxygen ion re-sputtering is one of the main factors influencing the optoelectronic properties of aluminum doped zinc oxide thin films deposited by RF magnetron sputtering.
View article: Gettering in polySi/SiOx passivating contacts enables Si-based tandem solar cells with high thermal and contamination resilience
Gettering in polySi/SiOx passivating contacts enables Si-based tandem solar cells with high thermal and contamination resilience Open
Multijunction solar cells in a tandem configuration could further lower the costs of electricity if crystalline Si (c-Si) is used as bottom cell. However, for direct monolithic integration on c-Si, only a restricted number of top and botto…
View article: Spin-coated $$\hbox {Cu}_2\hbox {ZnSnS}_{4}$$ solar cells: A study on the transformation from ink to film
Spin-coated $$\hbox {Cu}_2\hbox {ZnSnS}_{4}$$ solar cells: A study on the transformation from ink to film Open
In this paper, we study the DMSO/thiourea/chloride salt system for synthesis of pure-sulfide $$\hbox {Cu}_2\hbox {ZnSnS}_{4}$$ (CZTS) thin-film solar cells under ambient conditions. We map out the ink constituents and determine the effect…
View article: Energy band alignment at the heterointerface between CdS and Ag-alloyed CZTS
Energy band alignment at the heterointerface between CdS and Ag-alloyed CZTS Open
View article: Lowering the resistivity of aluminum doped zinc oxide thin films by controlling the self-bias during RF magnetron sputtering
Lowering the resistivity of aluminum doped zinc oxide thin films by controlling the self-bias during RF magnetron sputtering Open
View article: Persistent Double-Layer Formation in Kesterite Solar Cells: A Critical Review
Persistent Double-Layer Formation in Kesterite Solar Cells: A Critical Review Open
In kesterite Cu2ZnSn(S,Se)4 (CZTSSe) solar cell research, an asymmetric crystallization profile is often obtained after annealing, resulting in a bilayered - or double-layered - CZTSSe absorber. So far, only segregate…
View article: Oxide route for production of Cu2ZnSnS4 solar cells by pulsed laser deposition
Oxide route for production of Cu2ZnSnS4 solar cells by pulsed laser deposition Open
View article: Tuning the resistive switching in tantalum oxide-based memristors by annealing
Tuning the resistive switching in tantalum oxide-based memristors by annealing Open
A key step in engineering resistive switching is the ability to control the device switching behavior. Here, we investigate the possibility to tune the resistive switching of tantalum oxide (TaOx)-based memristors from a non-switchable sta…
View article: Spatially Resolved Optoelectronic Properties of Al-Doped Zinc Oxide Thin Films Deposited by Radio-Frequency Magnetron Plasma Sputtering Without Substrate Heating
Spatially Resolved Optoelectronic Properties of Al-Doped Zinc Oxide Thin Films Deposited by Radio-Frequency Magnetron Plasma Sputtering Without Substrate Heating Open
Transparent and conducting thin films were deposited on soda lime glass by RF magnetron sputtering without intentional substrate heating using an aluminum doped zinc oxide target of 2 inch in diameter. The sheet resistance, film thickness,…
View article: Monolithic thin-film chalcogenide–silicon tandem solar cells enabled by a diffusion barrier
Monolithic thin-film chalcogenide–silicon tandem solar cells enabled by a diffusion barrier Open
View article: Selective high-temperature CO2 electrolysis enabled by oxidized carbon intermediates
Selective high-temperature CO2 electrolysis enabled by oxidized carbon intermediates Open
View article: Wide Band Gap Cu<sub>2</sub>SrSnS<sub>4</sub> Solar Cells from Oxide Precursors
Wide Band Gap Cu<sub>2</sub>SrSnS<sub>4</sub> Solar Cells from Oxide Precursors Open
Recent progress in the efficiency of Cu2ZnSnS4 (CZTS) solar cells has been relatively slow due to severe bulk band tailing issues that have proven difficult to resolve. Band tails in CZTS are caused by defect-related potential fluctuations…
View article: Controlling surface properties of electrospun polyphenylsulfone using plasma treatment and X-ray photoelectron spectroscopy
Controlling surface properties of electrospun polyphenylsulfone using plasma treatment and X-ray photoelectron spectroscopy Open
Plasma treatment is an efficient method to modify organic surfaces. In this work electrospun polyphenylsulfone was systematically subjected to low-pressure microwave plasma and atmospheric-pressure coplanar barrier discharge in order to co…
View article: Preparation of super-hydrophilic polyphenylsulfone nanofiber membranes for water treatment
Preparation of super-hydrophilic polyphenylsulfone nanofiber membranes for water treatment Open
A 3-dimensional nanofiber membrane with superior hydrophilicity and mechanical properties significantly improves flux and salt rejection in thin film forward osmosis.
View article: InGaN/GaN ultraviolet LED with a graphene/AZO transparent current spreading layer
InGaN/GaN ultraviolet LED with a graphene/AZO transparent current spreading layer Open
We report an approach of using an interlayer of single layer graphene (SLG) for electroluminescence (EL) enhancement of an InGaN/GaN-based near-ultraviolet (NUV) light-emitting diode (LED) with an aluminum-doped zinc oxide (AZO)-based curr…
View article: Low surface damage dry etched black silicon
Low surface damage dry etched black silicon Open
Black silicon (bSi) is promising for integration into silicon solar cell fabrication flow due to its excellent light trapping and low reflectance, and a continuously improving passivation. However, intensive ion bombardment during the reac…
View article: Permeability, strength and electrochemical studies on ceramic multilayers for solid-state electrochemical cells
Permeability, strength and electrochemical studies on ceramic multilayers for solid-state electrochemical cells Open
An electrochemical reactor can be used to purify flue gasses. Such a reactor can be a multilayer structure consisting of alternating layers of porous electrodes and electrolytes (a porous cell stack). In this work optimization of such a un…
View article: Surface characterization of coated cathodes with lithium phosphorous oxynitride thin film for all-solid-state Li-S batteries
Surface characterization of coated cathodes with lithium phosphorous oxynitride thin film for all-solid-state Li-S batteries Open
View article: Cathode-supported hybrid direct carbon fuel cells
Cathode-supported hybrid direct carbon fuel cells Open
View article: On performance limitations and property correlations of Al-doped ZnO deposited by radio-frequency sputtering
On performance limitations and property correlations of Al-doped ZnO deposited by radio-frequency sputtering Open
The electrical properties of RF-sputtered Al-doped ZnO are often spatially inhomogeneous and strongly dependent on deposition parameters. In this work, we study the mechanisms that limit the minimum resistivity achievable under different d…