All Outputs (54)

Beyond Acetylene: Exploring Solvent Stabilization of Calcium Carbide‐derived Acetylide Intermediates and Their Significance in Small Organic Molecule Synthesis (2024)
Journal Article

The reaction of calcium carbide with water has been widely used as a source of acetylene for the synthesis of organic molecules. In contrast with this traditional approach, we use the CaC2 reaction under water-starved conditions and show reactions th... Read More about Beyond Acetylene: Exploring Solvent Stabilization of Calcium Carbide‐derived Acetylide Intermediates and Their Significance in Small Organic Molecule Synthesis.

Synergy of nanocrystalline carbon nitride with Cu single atom catalyst leads to selective photocatalytic reduction of CO2 to methanol (2024)
Journal Article

Carbon nitride (C3N4) possesses both a band gap in the visible range and a low-lying conduction band potential, suitable for water splitting and CO2 reduction reactions (CO2RR). Yet, bulk C3N4 (b-C3N4) suffers from structural disorder leading to slug... Read More about Synergy of nanocrystalline carbon nitride with Cu single atom catalyst leads to selective photocatalytic reduction of CO2 to methanol.

Selective Excitation of Pd-decorated Titania Enables Consecutive C−C Couplings and Hydrogenations under Ambient Conditions (2023)
Journal Article

Here, we discovered that Pd decorated TiO2 (Pd@TiO2) enables consecutive photocatalytic Sonogashira C−C coupling and hydrogenation steps by simply adjusting the excitation conditions of the reaction. We demonstrated that by-products containing iodine... Read More about Selective Excitation of Pd-decorated Titania Enables Consecutive C−C Couplings and Hydrogenations under Ambient Conditions.

Fibrous TiO2 Alternatives for Semiconductor-Based Catalysts for Photocatalytic Water Remediation Involving Organic Contaminants (2023)
Journal Article

Water decontamination remains a challenge in several developed and developing countries. Affordable and efficient approaches are needed urgently. In this scenario, heterogeneous photocatalysts appear as one of the most promising alternatives. This ju... Read More about Fibrous TiO2 Alternatives for Semiconductor-Based Catalysts for Photocatalytic Water Remediation Involving Organic Contaminants.

Host–Guest Chemistry in Boron Nitride Nanotubes: Interactions with Polyoxometalates and Mechanism of Encapsulation (2022)
Journal Article

Boron nitride nanotubes (BNNTs) are an emerging class of molecular container offering new functionalities and possibilities for studying molecules at the nanoscale. Herein, BNNTs are demonstrated as highly effective nanocontainers for polyoxometalate... Read More about Host–Guest Chemistry in Boron Nitride Nanotubes: Interactions with Polyoxometalates and Mechanism of Encapsulation.

Decoration of glass wool with zinc (II) phthalocyanine for the photocatalytic transformation of methyl orange (2022)
Journal Article

Zinc phthalocyanines containing one (mono carboxy phenoxy, ZnMCPPc), four (tetra carboxy phenoxy, ZnTCPPc), and eight (tetra isophthalic acid, ZnTIPAPc) carboxyl groups were covalently conjugated to amine-functionalized glass wool (GW). The GW-Pcs we... Read More about Decoration of glass wool with zinc (II) phthalocyanine for the photocatalytic transformation of methyl orange.

Photosensitized selective semi-oxidation of tetrahydroisoquinoline: a singlet oxygen path (2022)
Journal Article

Selective semi-oxidation of tetrahydroisoquinoline (THIQ) leads to a valuable dihydroisoquinoline (DHIQ) derivative via singlet oxygen photooxidation process. Typical photosensitisers (i.e., Ru complexes) can activate the reaction even under heteroge... Read More about Photosensitized selective semi-oxidation of tetrahydroisoquinoline: a singlet oxygen path.

Ni composite electrodes for hydrogen generation: Activation of Nb-based semiconductors (2022)
Journal Article

The hydrogen evolution reaction depends on the accumulation of electrons on the catalytic center to enable the two-electron processes involved in water reduction. This work reports on the modification of inexpensive nickel (Ni) composite electrodes w... Read More about Ni composite electrodes for hydrogen generation: Activation of Nb-based semiconductors.

Nitro to amine reductions using aqueous flow catalysis under ambient conditions (2021)
Journal Article

A catalyst based on Pd on glass wool (Pd@GW) shows exceptional performance and durability for the reduction of nitrobenzene to aniline at room temperature and ambient pressure in aqueous solutions. The reaction is performed in a flow system and compl... Read More about Nitro to amine reductions using aqueous flow catalysis under ambient conditions.

Solar Driven Photocatalytic Activity of Porphyrin Sensitized TiO2: Experimental and Computational Studies (2021)
Journal Article

The absence of a secure long-term sustainable energy supply is recognized as a major worldwide technological challenge. The generation of H2 through photocatalysis is an environmentally friendly alternative that can help solve the energy problem. Thu... Read More about Solar Driven Photocatalytic Activity of Porphyrin Sensitized TiO2: Experimental and Computational Studies.

Scale-up of a photochemical flow reactor for the production of lignin-coated titanium dioxide as a sunscreen ingredient (2021)
Journal Article

Lignin-protected TiO2 can reduce the release of free radicals photogenerated by TiO2. This can be achieved through the intrinsic absorption of lignin that acts as an antioxidant strategically located on the surface of TiO2 particles while retaining –... Read More about Scale-up of a photochemical flow reactor for the production of lignin-coated titanium dioxide as a sunscreen ingredient.

Mechanistic Insights on the Semihydrogenation of Alkynes over Different Nanostructured Photocatalysts (2021)
Journal Article

A single molecule microscopy study of the interaction of dye-modified alkanes, alkenes and alkynes with nanostructured catalysts based on TiO 2 reveals significant differences in the desorption kinetics of the probe molecules depending on the chemica... Read More about Mechanistic Insights on the Semihydrogenation of Alkynes over Different Nanostructured Photocatalysts.

Heterogeneous photocatalysis of azides: extending nitrenes photochemistry to longer wavelengths (2020)
Journal Article

The photodecomposition of azides to generate nitrenes usually requires wavelengths in the

Photochemical benzylic radical arylation promoted by supported Pd nanostructures (2020)
Journal Article

We report a novel way to promote photochemical benzylic radical arylations using Pd nanostructures. Traditional benzylic radical reaction pathways are challenged by the presence of metal centres that provoke unprecedented regioselectivity towards mor... Read More about Photochemical benzylic radical arylation promoted by supported Pd nanostructures.

Evaluation of different Ni–semiconductor composites as electrodes for enhanced hydrogen evolution reaction (2020)
Journal Article

The use of earth-abundant materials for designing efficient and stable electrocatalysts is of paramount importance to facilitate large-scale production of hydrogen. In this work we developed a new series of electrodes based on Ni–semiconductor compos... Read More about Evaluation of different Ni–semiconductor composites as electrodes for enhanced hydrogen evolution reaction.

Glass wool supported ruthenium complexes: versatile, recyclable heterogeneous photoredox catalysts (2020)
Journal Article

The present study describes the development of heterogeneous photoredox catalysts based on ruthenium complexes anchored onto a glass surface (glass wool). These easy-to-handle, inexpensive and reusable fiber-like materials allow Ru-based photoredox c... Read More about Glass wool supported ruthenium complexes: versatile, recyclable heterogeneous photoredox catalysts.

Catalytic farming: reaction rotation extends catalyst performance (2019)
Journal Article

The use of heterogeneous catalysis has key advantages compared to its homogeneous counterpart, such as easy catalyst separation and reusability. However, one of the main challenges is to ensure good performance after the first catalytic cycles. Activ... Read More about Catalytic farming: reaction rotation extends catalyst performance.

A general method to produce mesoporous oxide spherical particles through an aerosol method from aqueous solutions (2019)
Journal Article

Mesoporous transition metal oxides (MTMO) with large surface area, nanocrystalline framework, and controlled porosity have brilliant prospects in fields such as energy, environment, catalysis, or nanomedicine. However, the green, reproducible, and sc... Read More about A general method to produce mesoporous oxide spherical particles through an aerosol method from aqueous solutions.

Niobium-based semiconductor electrodes for hydrogen evolution reaction (2019)
Journal Article

This contribution focusses on the use of Nb-based materials for the preparation of hybrid nickel-semiconductor electrodes for use in the electrochemical generation of hydrogen. The Nb-based semiconductors (i.e., Nb2O5 and Nb3(PO4)5) show good perform... Read More about Niobium-based semiconductor electrodes for hydrogen evolution reaction.

Photochemical Dehalogenation of Aryl Halides: Importance of Halogen Bonding (2019)
Journal Article

Upon UVA irradiation, aryl halides can undergo dehalogenation in the presence of bases and methanol as a hydrogen donor. This catalyst-free photochemical dehalogenation is furnished through a facile radical chain reaction under mild conditions. The c... Read More about Photochemical Dehalogenation of Aryl Halides: Importance of Halogen Bonding.