Christoph Unterweger
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View article: Ultrastable Polypyrrole Stabilized by Hyper-Cross-Linked Poly(styrene- <i>co</i> -divinylbenzene) for Long-Cycle Supercapacitor Applications
Ultrastable Polypyrrole Stabilized by Hyper-Cross-Linked Poly(styrene- <i>co</i> -divinylbenzene) for Long-Cycle Supercapacitor Applications Open
View article: Selective Removal of Chlorpyrifos from Contaminated Water Using Young Walnut-Derived Carbon Material as a Sustainable Adsorbent
Selective Removal of Chlorpyrifos from Contaminated Water Using Young Walnut-Derived Carbon Material as a Sustainable Adsorbent Open
Chlorpyrifos (CHP) is a persistent organophosphate pesticide whose presence in water poses serious ecological and health risks. Here, we report a sustainable adsorbent obtained by high-temperature carbonization of immature walnuts (Juglans…
View article: Synthesis of Physically Activated Carbons from Vitellaria paradoxa Shells for Supercapacitor Electrode Applications
Synthesis of Physically Activated Carbons from Vitellaria paradoxa Shells for Supercapacitor Electrode Applications Open
This study investigates the processing of shea nut shells (SNSs), an abundant agricultural waste, into porous activated carbon for supercapacitor electrodes through a two-stage thermal treatment involving pyrolysis and physical activation …
View article: Application of Carbon Materials Derived from Nocino Walnut Liqueur Pomace Residue for Chlorpyrifos Removal from Water
Application of Carbon Materials Derived from Nocino Walnut Liqueur Pomace Residue for Chlorpyrifos Removal from Water Open
This study explores the use of carbon materials derived from Nocino walnut liqueur pomace residue for the removal of chlorpyrifos, a widely used organophosphate pesticide, from water. Carbon adsorbents were synthesized from young walnut bi…
View article: Physical Foam Injection Molding of Cellulose Fiber Reinforced Polypropylene by Using CO2: Parameter Variation and Comparison to Chemical Foam Injection Molding
Physical Foam Injection Molding of Cellulose Fiber Reinforced Polypropylene by Using CO2: Parameter Variation and Comparison to Chemical Foam Injection Molding Open
The use of cellulose fiber-filled polypropylene (PP) composites in combination with foam injection molding has enabled the lightweight design of injection-molded parts. The study provides achievements for the physical foam injection moldin…
View article: Bio-Based Carbon as Functional Material in Sustainable Printed Electronics
Bio-Based Carbon as Functional Material in Sustainable Printed Electronics Open
View article: Transforming Food Biowaste into Selective and Reusable Adsorbents for Pesticide Removal from Water
Transforming Food Biowaste into Selective and Reusable Adsorbents for Pesticide Removal from Water Open
With growing concerns regarding environmental pollution and the need for sustainable waste management practices, this study investigates the potential of utilizing spent coffee grounds (SCG) as a precursor for producing functional carbon m…
View article: Development of Electrically Conductive Wood-Based Panels for Sensor Applications
Development of Electrically Conductive Wood-Based Panels for Sensor Applications Open
This study investigates the development of electrically conductive panels for application as emergency detection sensors in smart house systems. These panels, composed of wood chips coated with polymeric methylene diphenyl isocyanate, were…
View article: Carbon Fibers Based on Cellulose–Lignin Hybrid Filaments: Role of Dehydration Catalyst, Temperature, and Tension during Continuous Stabilization and Carbonization
Carbon Fibers Based on Cellulose–Lignin Hybrid Filaments: Role of Dehydration Catalyst, Temperature, and Tension during Continuous Stabilization and Carbonization Open
Lignocellulose has served as precursor material for carbon fibers (CFs) before fossil-based polymers were discovered as superior feedstock. To date, CFs made from polyacrylonitrile have dominated the market. In search of low-cost carbon fi…
View article: Highly Porous Cellulose-Based Carbon Fibers as Effective Adsorbents for Chlorpyrifos Removal: Insights and Applications
Highly Porous Cellulose-Based Carbon Fibers as Effective Adsorbents for Chlorpyrifos Removal: Insights and Applications Open
The extensive utilization of the organophosphate pesticide chlorpyrifos, combined with its acute neurotoxicity, necessitates the development of effective strategies for its environmental removal. While numerous methods have been explored f…
View article: Variation in Activation Parameters for the Preparation of Cellulose-Based Porous Carbon Fibers Used for Electrochemical Applications
Variation in Activation Parameters for the Preparation of Cellulose-Based Porous Carbon Fibers Used for Electrochemical Applications Open
Porous carbon fibers play a pivotal role in electrochemistry due to their unique structural and textural properties, offering a promising avenue for diverse applications ranging from energy storage to electrocatalysis. In this study, we in…
View article: Carbon Fibers Based on Cellulose-Lignin Hybrid Filaments: Role of Dehydration Catalyst, Temperature and Tension During Continuous Stabilization and Carbonization
Carbon Fibers Based on Cellulose-Lignin Hybrid Filaments: Role of Dehydration Catalyst, Temperature and Tension During Continuous Stabilization and Carbonization Open
View article: Exploring the Impact of DAHP Impregnation on Activated Carbon Fibers for Efficient Charge Storage and Selective O2 Reduction to Peroxide
Exploring the Impact of DAHP Impregnation on Activated Carbon Fibers for Efficient Charge Storage and Selective O2 Reduction to Peroxide Open
Understanding the properties and behavior of carbon materials is of paramount importance in the pursuit of sustainable energy solutions and technological advancements. As versatile and abundant resources, carbon materials play a central ro…
View article: Investigating the Adsorption Kinetics of Dimethoate, Malathion and Chlorpyrifos on Cellulose-Derived Activated Carbons: Understanding the Influence of Physicochemical Properties
Investigating the Adsorption Kinetics of Dimethoate, Malathion and Chlorpyrifos on Cellulose-Derived Activated Carbons: Understanding the Influence of Physicochemical Properties Open
In light of the escalating environmental concerns regarding pesticide accumulation, it is imperative to devise efficient strategies for their removal. Among the various options, activated carbons have emerged as promising candidates for ad…
View article: Application of Viscose-Based Porous Carbon Fibers in Food Processing—Malathion and Chlorpyrifos Removal
Application of Viscose-Based Porous Carbon Fibers in Food Processing—Malathion and Chlorpyrifos Removal Open
The increasing usage of pesticides to boost food production inevitably leads to their presence in food samples, requiring the development of efficient methods for their removal. Here, we show that carefully tuned viscose-derived activated …
View article: Physical and Chemical Foam Injection Moulding of Natural-Fibre-Reinforced Polypropylene—Assessment of Weight-Reduction Potential and Mechanical Properties
Physical and Chemical Foam Injection Moulding of Natural-Fibre-Reinforced Polypropylene—Assessment of Weight-Reduction Potential and Mechanical Properties Open
Reducing weight not only consumes fewer resources for manufacturing but also requires less energy for transportation, thus preserving resources and reducing CO2 emissions. The latter part is of utmost importance in mobility applications. F…
View article: How Well Do Our Adsorbents Actually Perform?—The Case of Dimethoate Removal Using Viscose Fiber-Derived Carbons
How Well Do Our Adsorbents Actually Perform?—The Case of Dimethoate Removal Using Viscose Fiber-Derived Carbons Open
Growing pollution is making it necessary to find new strategies and materials for the removal of undesired compounds from the environment. Adsorption is still one of the simplest and most efficient routes for the remediation of air, soil, …
View article: Lignin-based porous junction for silver-silver chloride reference electrodes
Lignin-based porous junction for silver-silver chloride reference electrodes Open
Carbonized lignin powder was used as a salt bridge for a silver-silver chloride reference electrode. This easy-to-prepare reference electrode exhibited excellent stability in saturated potassium chloride solution. In addition, the electroc…
View article: Kinetics of Dimethoate, Malathion, and Chlorpyrifos Adsorption on Cellulose-derived Activated Carbons – Linking Performance to the Physicochemical Properties
Kinetics of Dimethoate, Malathion, and Chlorpyrifos Adsorption on Cellulose-derived Activated Carbons – Linking Performance to the Physicochemical Properties Open
Due to the accumulation of pesticides in the environment, the development of efficient strategies for their removal is of utmost importance. Activated carbons are currently seen as excellent candidates for adsorptive pesticide removal base…
View article: Electrically Conductive Biocomposites Based on Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) and Wood-Derived Carbon Fillers
Electrically Conductive Biocomposites Based on Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) and Wood-Derived Carbon Fillers Open
In this paper, biobased carbons were used as fillers in poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV). The mechanical and electrical properties of these 100% biocomposites were analyzed. First, biocarbons were prepared from wood dust…
View article: Viscose-Derived Activated Carbons Fibers as Highly Efficient Adsorbents for Dimethoate Removal from Water
Viscose-Derived Activated Carbons Fibers as Highly Efficient Adsorbents for Dimethoate Removal from Water Open
Extensive use of pesticides resulting in their accumulation in the environment presents a hazard for their non-target species, including humans. Hence, efficient remediation strategies are needed, and, in this sense, adsorption is seen as …
View article: Comparative Behavior of Viscose-Based Supercapacitor Electrodes Activated by KOH, H2O, and CO2
Comparative Behavior of Viscose-Based Supercapacitor Electrodes Activated by KOH, H2O, and CO2 Open
Activated carbons derived from viscose fibers were prepared using potassium hydroxide, carbon dioxide, or water vapor as activation agents. The produced activated carbon fibers were analyzed via scanning electron microscopy and energy disp…
View article: Viscose-derived activated carbons fibers as highly efficient adsorbents for dimethoate removal from water
Viscose-derived activated carbons fibers as highly efficient adsorbents for dimethoate removal from water Open
Extensive use of pesticides resulting in their accumulation in the environment presents a hazard for their non-target species, including humans. Hence, efficient remediation strategies are needed, and adsorption is seen as the most straigh…
View article: Viscose-derived activated carbons fibers as highly efficient adsorbents for dimethoate removal from water
Viscose-derived activated carbons fibers as highly efficient adsorbents for dimethoate removal from water Open
Extensive use of pesticides resulting in their accumulation in the environment presents a hazard for their non-target species, including humans. Hence, efficient remediation strategies are needed, and adsorption is seen as the most straigh…
View article: Influence of the carbonization temperature on the properties of carbon fibers based on technical softwood kraft lignin blends
Influence of the carbonization temperature on the properties of carbon fibers based on technical softwood kraft lignin blends Open
Lignin is an interesting renewable resource for carbon fibers. In this work we investigate the usage of unpurified softwood kraft lignin Indulin AT for melt-spinning of lignin-fibers and the properties of resulting lignin and carbon fibers…
View article: Biomass-Derived Carbons as Versatile Materials for Energy-Related Applications: Capacitive Properties vs. Oxygen Reduction Reaction Catalysis
Biomass-Derived Carbons as Versatile Materials for Energy-Related Applications: Capacitive Properties vs. Oxygen Reduction Reaction Catalysis Open
Biomass-derived carbons are very attractive materials due to the possibility of tuning their properties for different energy-related applications. Various pore sizes, conductivities and the inherent presence of heteroatoms make them attrac…
View article: Pore Development during the Carbonization Process of Lignin Microparticles Investigated by Small Angle X-ray Scattering
Pore Development during the Carbonization Process of Lignin Microparticles Investigated by Small Angle X-ray Scattering Open
Application of low-cost carbon black from lignin highly depends on the materials properties, which might by determined by raw material and processing conditions. Four different technical lignins were subjected to thermostabilization follow…
View article: Viscose‐based porous carbon fibers: improving yield and porosity through optimization of the carbonization process by design of experiment
Viscose‐based porous carbon fibers: improving yield and porosity through optimization of the carbonization process by design of experiment Open
View article: Activated Carbon Fibers derived from Sea balls for the use AS supercapacitor electrodes
Activated Carbon Fibers derived from Sea balls for the use AS supercapacitor electrodes Open
Sea balls (pillae marinae) were impregnated with diammonium hydrogen phosphate (DAHP), carbonized, and activated using carbon dioxide or steam.Thus, activated carbon fibers (ACFs) with unique morphology and specific surfaces of 243 m 2 g -…
View article: Structure and electrical resistivity of individual carbonised natural and man-made cellulose fibres
Structure and electrical resistivity of individual carbonised natural and man-made cellulose fibres Open
Carbon fibres were produced from two natural and two man-made cellulose fibres, respectively, in a high-temperature carbonisation process. The structure of the fibres was analysed by means of wide-angle X-ray scattering and Raman spectrosc…