Philipp Stadler
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View article: Boosting Formic Acid Production in Mildly Acidic Media─The Role of Native Surface Oxide on the CO <sub>2</sub> Reduction Performance
Boosting Formic Acid Production in Mildly Acidic Media─The Role of Native Surface Oxide on the CO <sub>2</sub> Reduction Performance Open
Bismuth catalysts hold significant promise for the electroreduction of CO2 to formic acid (FA), yet their performance in acidic electrolytes remains largely unexplored despite the clear advantages for product separation and direct industri…
View article: Electrocatalysis of Poly-Neutral Red for Hydrogen Evolution Reaction in Acidic Media
Electrocatalysis of Poly-Neutral Red for Hydrogen Evolution Reaction in Acidic Media Open
Metal-free hydrogen-bonding conductive polymer catalysts (HCPCs) are emerging alternatives to platinum-group-metals (PGMs) for electrocatalytic hydrogen evolution reaction (HER). In this study, electrodes coated with poly-neutral red (PNR)…
View article: Broadband Photon Harvesting in Organic Photovoltaic Devices Induced by Large-Area Nanogrooved Templates
Broadband Photon Harvesting in Organic Photovoltaic Devices Induced by Large-Area Nanogrooved Templates Open
Thin-film organic photovoltaic (OPV) devices represent an attractive alternative to conventional silicon solar cells due to their lightweight, flexibility, and low cost. However, the relatively low optical absorption of the OPV active laye…
View article: Tooling systems with integrated sensors enabling data based process optimization
Tooling systems with integrated sensors enabling data based process optimization Open
Sensor integration into machining equipment has become an important factor for gaining deep process insights mainly driven by increasingly smaller and cheaper sensors and transmitters. Due to advances in microelectronics and communication …
View article: Single-Component Organic Solar Cells Based on Intramolecular Charge Transfer Photoabsorption
Single-Component Organic Solar Cells Based on Intramolecular Charge Transfer Photoabsorption Open
Conjugated donor–acceptor molecules with intramolecular charge transfer absorption are employed for single-component organic solar cells. Among the five types of donor–acceptor molecules, the strong push–pull structure of DTDCPB resulted i…
View article: P-type cobaltite oxide spinels enable efficient electrocatalytic oxygen evolution reaction
P-type cobaltite oxide spinels enable efficient electrocatalytic oxygen evolution reaction Open
Zinc cobaltite spinels show enhanced electrocatalytic activity for oxygen evolution. The spinels evolve O 2 at Tafel slopes between 40.5 and 48 mV dec −1 and at overpotentials between 0.35 and 0.43 V at 10 mA cm −2 . Their stability underl…
View article: Electrochemical Hydrogen Storage in Amine‐Activated Polydopamine
Electrochemical Hydrogen Storage in Amine‐Activated Polydopamine Open
Electrochemical hydrogen storage combines the evolution, oxidation, and storage of hydrides from aqueous electrolytes and ionic liquids, but presently requires palladium or rare‐earth metals to achieve significant power capacities. Here hy…
View article: Metal‐Free Hydrogen‐Bonded Polymers Mimic Noble Metal Electrocatalysts
Metal‐Free Hydrogen‐Bonded Polymers Mimic Noble Metal Electrocatalysts Open
The most active and efficient catalysts for the electrochemical hydrogen evolution reaction (HER) rely on platinum, a fact that increases the cost of producing hydrogen and thereby limits the widespread adoption of this fuel. Here, a metal…
View article: Concerted Photoluminescence of Electrochemically Self-Assembled CuSCN / Stilbazolium Dye Hybrid Thin Films
Concerted Photoluminescence of Electrochemically Self-Assembled CuSCN / Stilbazolium Dye Hybrid Thin Films Open
Whether they are inorganic or organic, the key words for creation of new functional materials should be (1) solution, (2) low temperature, and (3) rare-element-free for sustainable development. As a leading example, we explore electrochemi…
View article: Hydrogen Evolution Reaction: Cofunction of Protons as Dopant and Reactant Activate the Electrocatalytic Hydrogen Evolution in Emeraldine‐Polyguanine (Adv. Mater. Interfaces 2/2020)
Hydrogen Evolution Reaction: Cofunction of Protons as Dopant and Reactant Activate the Electrocatalytic Hydrogen Evolution in Emeraldine‐Polyguanine (Adv. Mater. Interfaces 2/2020) Open
A DNA nucleobase is polymerized by oxidative chemical vapor deposition and applied in electrocatalytic hydrogen evolution reaction. The unique synthesis enables the polymerization and protonation of guanine to emeraldine-polyguanine (ePG),…
View article: Active Sulfur Sites in Semimetallic Titanium Disulfide Enable CO<sub>2</sub> Electroreduction
Active Sulfur Sites in Semimetallic Titanium Disulfide Enable CO<sub>2</sub> Electroreduction Open
Electrocatalytic CO2-to-CO conversion represents one pathway to upgrade CO2 to a feedstock for both fuels and chemicals (CO, deployed in ensuing FischerTropsch or bioupgrading). It necessitates selective and energy-efficient electrocatalys…
View article: Cofunction of Protons as Dopant and Reactant Activate the Electrocatalytic Hydrogen Evolution in Emeraldine‐Polyguanine
Cofunction of Protons as Dopant and Reactant Activate the Electrocatalytic Hydrogen Evolution in Emeraldine‐Polyguanine Open
Functional conductive polymers represent an emerging class of nonmetallic electrocatalysts attractive to substitute scarce and expensive elements used today. Here the synthesis of emeraldine‐polyguanine as structural‐molecular analog to po…
View article: Isotropic metallic transport in conducting polymers
Isotropic metallic transport in conducting polymers Open
Conducting polymers represent an emerging class of conductors combining notable optoelectronic and thermoelectric properties; however, the electrical performance remains a limiting factor. This review provides an overview of the relevant p…
View article: Concerted Photoluminescence of Electrochemically Self-Assembled CuSCN/Stilbazolium Dye Hybrid Thin Films
Concerted Photoluminescence of Electrochemically Self-Assembled CuSCN/Stilbazolium Dye Hybrid Thin Films Open
Hybrid thin films of crystalline CuSCN and 4-(N,N-dimethylamino)-4'-(N'-methyl)stilbazolium (DAS) in three distinctively different nanostructures were obtained by electrochemical self-assembly from a single pot containing all the chemical …
View article: Vanadium Redox Flow Batteries Fabricated by 3D Printing and Employing Recycled Vanadium Collected from Ammonia Slag
Vanadium Redox Flow Batteries Fabricated by 3D Printing and Employing Recycled Vanadium Collected from Ammonia Slag Open
In order to realize sustainable renewable energy supply, large-scale energy storage system is needed to overcome the problem of intermittency of power generation. Vanadium redox flow battery (VRFB) presents the most viable solution but fac…
View article: Switching of Dye Loading Mechanism in Electrochemical Self-Assembly of CuSCN/4-(<i>N,N</i>-dimethylamino)-4′- (<i>N</i>′-methyl)Stilbazolium Hybrid Thin Films
Switching of Dye Loading Mechanism in Electrochemical Self-Assembly of CuSCN/4-(<i>N,N</i>-dimethylamino)-4′- (<i>N</i>′-methyl)Stilbazolium Hybrid Thin Films Open
Electrochemical self-assembly of CuSCN/4-(N,N-dimethylamino)-4'-(N'-methyl)stilbazolium (DAS) hybrid thin films has been carried out on systematic variation of bulk concentrations of [Cu(SCN)]+, DAS tosylate (DAST) and changing their flux …
View article: Stable Hall voltages in presence of dynamic quasi-continuum bands in poly(3,4-ethylene-dioxythiophene)
Stable Hall voltages in presence of dynamic quasi-continuum bands in poly(3,4-ethylene-dioxythiophene) Open
Topological and thermal disorder complicate the mobility characterization in poly(3,4-ethylenedioxythiophene) systems and presently leaves the exact transport mechanisms not fully understood. Here we show that ac-Hall measured by lock-in a…
View article: Metallic conductivity beyond the Mott minimum in PEDOT: Sulphate at low temperatures
Metallic conductivity beyond the Mott minimum in PEDOT: Sulphate at low temperatures Open
Elastic scattering mechanisms dominate the charge transport in crystalline metals, resulting in a characteristic increase in conductivity at low temperatures. However, disorder – arising, for example, from alloying – can hamper transport a…
View article: Nanofibrous cobalt oxide for electrocatalysis of CO2 reduction to carbon monoxide and formate in an acetonitrile-water electrolyte solution
Nanofibrous cobalt oxide for electrocatalysis of CO2 reduction to carbon monoxide and formate in an acetonitrile-water electrolyte solution Open
The electrocatalytic reduction of carbon dioxide (CO2) is an attractive option to efficiently bind electrical energy from renewable resources in artificial carbon fuels and feedstocks. The strategy is considered as crucial part in closing …
View article: Chemical vapor deposition - based synthesis of conductive polydopamine thin-films
Chemical vapor deposition - based synthesis of conductive polydopamine thin-films Open
Polydopamine (PDA) represents a family of synthetic bio-inspired pigments offering high functional activity combined with semiconducting properties. To date, it represents one of the main synthetic biopolymers used mainly because of its si…
View article: Biofunctionalized conductive polymers enable efficient CO <sub>2</sub> electroreduction
Biofunctionalized conductive polymers enable efficient CO <sub>2</sub> electroreduction Open
Conductive polydopamines represent bioinspired paradigm catalysts for efficiently recycling greenhouse gas CO 2 to synthetic fuel.
View article: Anderson‐Localization and the Mott–Ioffe–Regel Limit in Glassy‐Metallic PEDOT
Anderson‐Localization and the Mott–Ioffe–Regel Limit in Glassy‐Metallic PEDOT Open
Conductive polymers represent a rare case in which free‐carrier absorption is shifted to the far‐infrared—an attractive advantage in light of the requirement of highly transparent conductors across the visible and near‐infrared. Unfortunat…
View article: Microwave-assisted Hydrothermal Synthesis of Structure-controlled ZnO Nanocrystals and Their Properties in Dye-sensitized Solar Cells
Microwave-assisted Hydrothermal Synthesis of Structure-controlled ZnO Nanocrystals and Their Properties in Dye-sensitized Solar Cells Open
Microwave-assisted hydrothermal synthesis of ZnO nanocrystals has resulted in two distinctive structures: hexagonal bi-pyramidal (HBP) and nano-sheet (NS) shapes from Zn(CH3COO)2 solutions containing triethanolamine or benzene tetracarboxy…
View article: Improvement of Catalytic Activity by Nanofibrous CuInS<sub>2</sub> for Electrochemical CO<sub>2</sub> Reduction
Improvement of Catalytic Activity by Nanofibrous CuInS<sub>2</sub> for Electrochemical CO<sub>2</sub> Reduction Open
The current study reports the application of chalcopyrite semiconductor CuInS2 (CIS) nanofibers for the reduction of CO2 to CO with a remarkable Faradaic efficiency of 77 ± 4%. Initially the synthesis of CuInS2 nanofibers was carried out b…
View article: Influence of molecular designs on polaronic and vibrational transitions in a conjugated push-pull copolymer
Influence of molecular designs on polaronic and vibrational transitions in a conjugated push-pull copolymer Open
Electron-phonon interactions of free charge-carriers in doped pi-conjugated polymers are conceptually described by 1-dimensional (1D) delocalization. Thereby, polaronic transitions fit the 1D-Froehlich model in quasi-confined chains. Howev…