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Cucurbituril Based Luminescent Materials in Aqueous Media and Solid State

Cucurbit[n]urils, the pumpkin shaped macrocyclic host molecules possessing a hydrophobic cavity and two identical carbonyl portals, have drawn a lot of attention in recent years due to their high-affinity yet dynamic molecular recognition properties in water. The reversible and stimuli-responsive nature of their host-guest complexes imparts “smart”...

Nitrogen Doped Carbon Coated Bi Microspheres as High‐performance Anode for Half and Full Sodium Ion Batteries

As two-dimensional (2D) materials, bismuth (Bi) has large interlayer spacing along c-axis (0.395 nm) which provides rich active sites for sodium ions, thus guaranteeing high sodium ion storage activity. However, its poor electrical conductivity, combined with its degraded cycling performance, restricts its practical application. Herein, Bi microsphere...

Synthesis and Structure‐Photophysics Evaluation of 2‐N‐Amino‐quinazolines: Small Molecule Fluorophores for Solution and Solid State

Side-selective synthesis provides sets of new fluorescent 2-N-aminoquinazolines whose fluorescent-structure-property relationships (FSPRs) were revealed by steady-state absorption and light emission spectroscopy, electrochemical and computational (DFT-TDDFT/BLYP3 and SAC-CI calculations) chemistry. Abstract 2-N-aminoquinazolines were prepared...

Design of a Waste Paper‐Derived Chemically ‘Reactive’ and Durable Functional Material with Tailorable Mechanical Property Following an Ambient and Sustainable Chemical Approach

A facile conversion of waste paper into a deformable and chemically ‘reactive’ sponge is reported. The covalent association of a binder with waste paper paved an avenue to tailor the mechanical property and the catalyst-free 1,4-conjugate addition reaction between the primary amine of the binder with a multi-functional cross-linker provided a facile...

Platinum Nanosheets Intercalated into Natural and Artificial Graphite Powders

Platinum nanosheets 1–3 nm in thickness and 100–500 nm in width and a number of hexagonal holes and edges with 120° angle were prepared between layers of graphite (natural and artificial). Platinum nanosheets were located in the edge region of natural graphite particles which have flat surface. On the other hand, they were found inside artificial graphite...

Rational design of Pt‐Pd‐Ni trimetallic nanocatalysts for room temperature benzaldehyde and styrene hydrogenation

Nanostructures of the multimetallic catalysts offer great scope for fine tuning of heterogeneous catalysis, but clear understanding of the surface chemistry and structures is important to enhance their selectivity and efficiency. Focussing on a typical Pt-Pd-Ni trimetallic system, we comparatively examined the Ni/C, Pt/Ni/C, Pd/Ni/C and Pt-Pd/Ni/C catalysts...

Bridged Aromatic Oxo‐ and Thioethers with Intense Emission in Solution and the Solid State

In this contribution, we report on a class of emitters based on bridged oxo- and/or thioethers revealing striking emission properties in solution and in the solid state. In total, nine compounds were investigated concerning their photophysical properties, which were interpreted by theoretical calculations. To our delight, we discovered compounds possessing...

Salen‐decorated Periodic Mesoporous Organosilica: From Metal‐assisted Epoxidation to Metal‐free CO2 Insertion

A PMO material decorated with salen ligand (Salen-PMO) was developed using a photo-initiated thiol-ene click reaction. The resulted material was further functionalized with MoO2 2+ ion as well (Mo-Salen-PMO). The Mo-Salen-PMO and Salen-PMO materials demonstrated excellent catalytic potential in the epoxidation of cyclohexene and in the preparation...

Bridged Aromatic Oxo‐ and Thioethers with Intense Emission in Solution and the Solid State

In this contribution, we report on a class of emitters based on bridged oxo- and/or thioethers revealing striking emission properties in solution and in the solid state. In total, nine compounds were investigated concerning their photophysical properties, which were interpreted by theoretical calculations. To our delight, we discovered compounds possessing...

Asymmetric Sulfoxidation of Thioether Catalyzed by Soybean Pod Shell Peroxidase to Form Enantiopure Sulfoxide in Water‐in‐Oil Microemulsions: A Kinetic Model

Soybean pod shell peroxidase (SPSP) is a peroxidase extracted from soybean pod shells. Asymmetric sulfoxidation catalyzed by SPSP in water-in-oil microemulsions was carried out, in which a yield of 91% and e.e.of 96% for esomeprazole were obtained and a kinetic model fitting experimental data well was developed. The enzymatic reactions may follow a...

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