Michael Schwarze
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View article: Green-Synthesized Nanoflower FeNi Catalysts for Low-Temperature Pyrolysis of Waste Lubricating Oil into High-Quality Diesel-Like Fuel
Green-Synthesized Nanoflower FeNi Catalysts for Low-Temperature Pyrolysis of Waste Lubricating Oil into High-Quality Diesel-Like Fuel Open
The growing accumulation of waste lubricating oil presents serious environmental issues, calling for sustainable management solutions. This research discusses the creation of FeNi/TiO2 nanocatalysts that were synthesized through an eco-fri…
View article: The Effect of Pore Functionality in Multicomponent Covalent Organic Frameworks on Stable Long‐Term Photocatalytic H<sub>2</sub> Production
The Effect of Pore Functionality in Multicomponent Covalent Organic Frameworks on Stable Long‐Term Photocatalytic H<sub>2</sub> Production Open
In nature, organic molecules play a vital role in light harvesting and photosynthesis. However, regarding artificial water splitting, the research focus is primarily on inorganic semiconductors. Although organic photocatalysts have high st…
View article: Water-soluble polymers stabilize defects in a new peroxo-titania: visible light-active y-TiO<sub>2</sub> for photocatalytic pollutant degradation and hydrogen production
Water-soluble polymers stabilize defects in a new peroxo-titania: visible light-active y-TiO<sub>2</sub> for photocatalytic pollutant degradation and hydrogen production Open
A stable, defect-rich peroxo-TiO 2 photocatalyst with low bandgap and high S BET (>380 m 2 g −1 ) shows high solar photocatalytic activity and regeneration.
View article: Catalytic Activity of Cellulose‐Supported Platinum and Palladium Nanoparticles for Allylbenzene Hydrogenation
Catalytic Activity of Cellulose‐Supported Platinum and Palladium Nanoparticles for Allylbenzene Hydrogenation Open
Platinum and palladium nanoparticles were successfully deposited on tunicate cellulose via the photodeposition or microemulsion deposition method. Evenly distributed, small and narrow‐sized particles in the range of 2–3 nm were obtained fo…
View article: Polyhydroxykanoate-Assisted Photocatalytic TiO<sub>2</sub> Films for Hydrogen Production
Polyhydroxykanoate-Assisted Photocatalytic TiO<sub>2</sub> Films for Hydrogen Production Open
The photocatalytic production of hydrogen using biopolymer-immobilized titanium dioxide (TiO2) is an innovative and sustainable approach to renewable energy generation. TiO2, a well-known photocatalyst, benefits from immobilization on biop…
View article: Synthesis of Doped g‐C<sub>3</sub>N<sub>4</sub> Photonic Crystals for Enhanced Light‐Driven Hydrogen Production from Catalytic Water‐Splitting
Synthesis of Doped g‐C<sub>3</sub>N<sub>4</sub> Photonic Crystals for Enhanced Light‐Driven Hydrogen Production from Catalytic Water‐Splitting Open
Dopants are frequently used to improve graphitic carbon nitride (gCN) photoactivity. As a doping source, phosphomolybdic acid (PMA) can activate doping sites inside the gCN lattice, resulting in 2D Mo:P‐gCN porous material. However, the gr…
View article: The Effect of Pore Functionality in Multicomponent Covalent Organic Frameworks on Stable Long-term Photocatalytic H2 Production
The Effect of Pore Functionality in Multicomponent Covalent Organic Frameworks on Stable Long-term Photocatalytic H2 Production Open
In nature, organic molecules play a vital role in light harvesting and photosynthesis. However, regarding artificial water splitting, the research focus is primarily on inorganic semiconductors. Although organic photocatalysts have high st…
View article: Eco-friendly Nanocatalysts: Unleashing Non-Precious Metal Potential for Methylene Blue Remediation
Eco-friendly Nanocatalysts: Unleashing Non-Precious Metal Potential for Methylene Blue Remediation Open
Water pollution stemming from textile dyes, particularly methylene blue (MB), represents a formidable challenge to both the environment and human well-being. In response to this pressing issue, scientists have redirected their focus toward…
View article: Polyoxometalate (POM) boosting the light-harvesting ability of graphitic carbon nitride for efficient photocatalytic hydrogen production
Polyoxometalate (POM) boosting the light-harvesting ability of graphitic carbon nitride for efficient photocatalytic hydrogen production Open
Phosphomolybdic acid was used to achieve simultaneously P-doping and heterojunction construction of graphitic carbon nitride. The composite materials show improved light harvesting that result in a better hydrogen evolution performance.
View article: Solar-driven upgrading of biomass by coupled hydrogenation using in situ (photo)electrochemically generated H2
Solar-driven upgrading of biomass by coupled hydrogenation using in situ (photo)electrochemically generated H2 Open
With the increasing pressure to decarbonize our society, green hydrogen has been identified as a key element in a future fossil fuel-free energy infrastructure. Solar water splitting through photoelectrochemical approaches is an elegant wa…
View article: Is Micellar Catalysis Green Chemistry?
Is Micellar Catalysis Green Chemistry? Open
Many years ago, twelve principles were defined for carrying out chemical reactions and processes from a green chemistry perspective. It is everyone’s endeavor to take these points into account as far as possible when developing new process…
View article: Degradation of Phenol via an Advanced Oxidation Process (AOP) with Immobilized Commercial Titanium Dioxide (TiO2) Photocatalysts
Degradation of Phenol via an Advanced Oxidation Process (AOP) with Immobilized Commercial Titanium Dioxide (TiO2) Photocatalysts Open
Four commercial titanium dioxide (TiO2) photocatalysts, namely P25, P90, PC105, and PC500, were immobilized onto steel plates using a sol-gel binder and investigated for phenol degradation under 365 nm UV-LED irradiation. High-performance …
View article: Efficient full solar spectrum-driven photocatalytic hydrogen production on low bandgap TiO<sub>2</sub>/conjugated polymer nanostructures
Efficient full solar spectrum-driven photocatalytic hydrogen production on low bandgap TiO<sub>2</sub>/conjugated polymer nanostructures Open
The development of photocatalysts that can utilize the entire solar spectrum is crucial to achieving efficient solar energy conversion.
View article: Influence of Cocatalysts (Ni, Co, and Cu) and Synthesis Method on the Photocatalytic Activity of Exfoliated Graphitic Carbon Nitride for Hydrogen Production
Influence of Cocatalysts (Ni, Co, and Cu) and Synthesis Method on the Photocatalytic Activity of Exfoliated Graphitic Carbon Nitride for Hydrogen Production Open
Exfoliated graphitic carbon nitride (ex-g-CN) was synthesized and loaded with non-noble metals (Ni, Cu, and Co). The synthesized catalysts were tested for hydrogen production using a 300-W Xe lamp equipped with a 395 nm cutoff filter. A no…
View article: Screening of Heterogeneous Photocatalysts for Water Splitting
Screening of Heterogeneous Photocatalysts for Water Splitting Open
In this contribution, a simple method for the screening of photocatalytic activity of catalyst materials is presented. The method is based on two steps: the immobilization of the photocatalyst and the subsequent testing of their photocatal…
View article: CCDC 2047277: Experimental Crystal Structure Determination
CCDC 2047277: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Kinetic investigation of <i>para</i>-nitrophenol reduction with photodeposited platinum nanoparticles onto tunicate cellulose
Kinetic investigation of <i>para</i>-nitrophenol reduction with photodeposited platinum nanoparticles onto tunicate cellulose Open
Modified cellulose (ModCe) was used in a photodeposition process as a support material for platinum nanoparticles. The supported catalysts were investigated for the transfer hydrogenation of para -nitrophenol (PNP) to para -aminophenol (PA…
View article: Efficient preparation of nanocatalysts. Case study: green synthesis of supported Pt nanoparticles by using microemulsions and mangosteen peel extract
Efficient preparation of nanocatalysts. Case study: green synthesis of supported Pt nanoparticles by using microemulsions and mangosteen peel extract Open
The optimal approach to efficient nanocatalysts synthesis is to optimize both the yield and activity simultaneously. The optimization principle in this paper can also be more broadly applied to other multivariable processes.
View article: Photocatalytic hydrogenation of acetophenone on a titanium dioxide cellulose film
Photocatalytic hydrogenation of acetophenone on a titanium dioxide cellulose film Open
The photocatalytic hydrogenation of acetophenone to 1-phenylenthanol was investigated with cellulose-immobilized titanium oxide (TiO 2 ) particles.
View article: Insights into the light-driven hydrogen evolution reaction of mesoporous graphitic carbon nitride decorated with Pt or Ru nanoparticles
Insights into the light-driven hydrogen evolution reaction of mesoporous graphitic carbon nitride decorated with Pt or Ru nanoparticles Open
A new set of hybrid materials composed of mesoporous graphitic carbon nitride coupled to Ru or Pt nanoparticles, obtained through the organometallic approach, has been prepared and tested in the photocatalytic hydrogen evolution reaction.
View article: Immobilization of TiO2 Semiconductor Nanoparticles onto Posidonia Oceanica Fibers for Photocatalytic Phenol Degradation
Immobilization of TiO2 Semiconductor Nanoparticles onto Posidonia Oceanica Fibers for Photocatalytic Phenol Degradation Open
A new composite photocatalyst called POF/TiO2 was prepared from commercial P25 TiO2 and Posidonia oceanica fibers (POF), a biomaterial collected from Tunisia’s beach. The composite material was prepared by a classical sol-gel synthesis and…
View article: Use of Cellulose for the Production of Photocatalytic Films for Hydrogen Evolution Along the Lines of Paper Production
Use of Cellulose for the Production of Photocatalytic Films for Hydrogen Evolution Along the Lines of Paper Production Open
Following the example of photovoltaics, one approach to large‐scale photocatalytic hydrogen production is the irradiation of a correspondingly large catalyst area. Paper production is a process in which large areas can already be produced …
View article: Highly Active TiO2 Photocatalysts for Hydrogen Production through a Combination of Commercial TiO2 Material Selection and Platinum Co-Catalyst Deposition Using a Colloidal Approach with Green Reductants
Highly Active TiO2 Photocatalysts for Hydrogen Production through a Combination of Commercial TiO2 Material Selection and Platinum Co-Catalyst Deposition Using a Colloidal Approach with Green Reductants Open
In this contribution, four different commercial TiO2 catalysts (P25, P90, PC105, and PC500) were screened for the photocatalytic production of hydrogen using ethanol as the sacrificial agent. The physico-chemical properties of the TiO2 pow…
View article: Highly Active TiO2 Photocatalysts for Hydrogen Production through a Combination of Commercial TiO2 Material Selection and Platinum Co-Catalyst Deposition Using a Colloidal Approach with Green Reductants
Highly Active TiO2 Photocatalysts for Hydrogen Production through a Combination of Commercial TiO2 Material Selection and Platinum Co-Catalyst Deposition Using a Colloidal Approach with Green Reductants Open
In this contribution, four different commercial TiO2 catalysts (P25, P90, PC105, and PC500) were screened for the photocatalytic production of hydrogen using ethanol as the sacrificial agent. The physico-chemical properties of the TiO2 pow…
View article: Protonated Imine‐Linked Covalent Organic Frameworks for Photocatalytic Hydrogen Evolution
Protonated Imine‐Linked Covalent Organic Frameworks for Photocatalytic Hydrogen Evolution Open
Covalent organic frameworks (COFs) have emerged as an important class of organic semiconductors and photocatalysts for the hydrogen evolution reaction (HER)from water. To optimize their photocatalytic activity, typically the organic moieti…
View article: Protonated Imine‐Linked Covalent Organic Frameworks for Photocatalytic Hydrogen Evolution
Protonated Imine‐Linked Covalent Organic Frameworks for Photocatalytic Hydrogen Evolution Open
Covalent organic frameworks (COFs) have emerged as an important class of organic semiconductors and photocatalysts for the hydrogen evolution reaction (HER)from water. To optimize their photocatalytic activity, typically the organic moieti…
View article: Efficient Advanced Oxidation Process (AOP) for Photocatalytic Contaminant Degradation Using Exfoliated Metal-Free Graphitic Carbon Nitride and Visible Light-Emitting Diodes
Efficient Advanced Oxidation Process (AOP) for Photocatalytic Contaminant Degradation Using Exfoliated Metal-Free Graphitic Carbon Nitride and Visible Light-Emitting Diodes Open
The photocatalytic performance of metal-free graphitic carbon nitride (g-C3N4) was examined using visible light-emitting diodes (LEDs). A comparative and parametric study was conducted using the photocatalytic degradation of phenol as a mo…