Themed collection CO2 Utilisation

Liang-Nian He and Da-Gang Yu introduce the themed collection on CO₂ utilisation.

The fundamental insights into the relationships among the electronic properties of active metals, the binding strengths of key intermediates, and the CO₂ hydrogenation selectivity are provided.

The recent advances made in the catalytic preparation of biobased cyclic carbonates derived from sugars, glycerol, fatty acids/vegetable oils and terpenes are presented, together with a discussion surrounding their potential applications.

Changes of Gibbs free energy made insights into the carbon fixation pathways from thermodynamic perspective.

This review presents an overview of the photoreduction of CO₂ to formic acid using homogeneous catalysts.

In this critical review, the recent advances of the CO₂-assisted catalytic dehydrogenation of light alkanes are summarized.

The synthesis of cyclic carbonates from epoxides and carbon dioxide using metal-free catalyst systems is critically reviewed.

The latest advances in the field of production of commonly used organic solvents from CO₂ are summarized and discussed.

C₂⁺ hydrocarbons are selectively produced in one-step catalytic CO₂ conversion via designing the catalyst-bed configuration under non-thermal DBD plasma operating at low temperature and atmospheric pressure.

A multi-component reaction of arylamines, elemental sulfur and CO₂ (1 atm) is reported to generate valuable thiazolidin-2-ones and 1,3-thiazinan-2-ones in moderate to good yields under transition-metal-free reaction conditions.

The first Rh(I)-catalyzed regioselective arylcarboxylation of electron-deficient acrylamides with arylboronic acids under atmospheric pressure of CO₂ has been developed.

Visible-light-mediated regioselective carbocarboxylation of styrenes using CO₂ and amines to generate important γ-amino acids has been realized by photocatalysis.

Photocatalytic CO₂ reduction is a highly vital process for converting CO₂ into valuable chemicals.

Graphdiyne exhibits high activity for CO₂ electroreduction reaction and the unique sp–sp² hybridization is crucial.

A dual functionalized ionic liquid catalytic system was developed for the reaction between CO₂ and propargylic alcohols, and exhibited excellent performance and good reusability, even under a low concentration of CO₂ in a gram-scale reaction.

A green route to synthesize a self-healing polyurethane-urea Diels–Alder adduct (PUUa-DA) using CO₂ and furfuryl amine as renewable feedstocks is reported.

Molecular water promoted co-conversion of bicarbonate and methanol into formate over a Pd–Cu catalyst: a H₂-free approach for bicarbonate reduction.

Immobilization of carbon dioxide into fluorescent CPDs is achieved, and multiple-color LEDs are fabricated using the CPDs as single phosphors.

A rhenium–pyrene catalyst that dramatically promotes sunlight-induced CO₂RR efficiency was developed by enhancing intermolecular electron transfer efficiency and visible light-harvesting ability.

We have developed a novel N,N′-bis(imidazolyl)guanidine-based system, which shows high performance in low-concentration CO₂ capture and subsequent catalytic transformation to functionalized (4E,5Z)-4-imino-5-benzylideneoxazolidine-2-ones.

A near-neutral waterborne cationic polyurethane from CO₂-polyol was synthesized using BDE as an internal emulsifier. Its compatibility with an aqueous cPANI dispersion and strong adhesion to CS plates mean it could be used for corrosion protection.

A direct Z-scheme heterojunction of Co₁-C₃N₄@α-Fe₂O₃ was constructed for efficient photocatalytic CO₂ reduction coupled with water oxidation under visible-light irradiation, with a CO generation rate of 14.9 μmol g⁻¹ h⁻¹ and CO selectivity over 99%.

Cu–Pd bimetallic catalysts were fabricated on carbon paper (CP) by the electrodeposition method via a dynamic hydrogen bubble template approach.

The coordination number of Fe single-atom catalysts (Fe–N₅/Fe–N₆) significantly affects the electrocatalytic performance during CO₂-to-CO conversion.

Modulating the strong metal-support interaction over Ir/TiO₂ offers an opportunity for selective transformation of CO₂ hydrogenation from CH₄ to CO.

By utilizing the synergistic interaction between CuO and CeO₂, the stabilization of Cu⁺ species at a metal–oxide interface is realized. H₂ production is considerably suppressed, resulting in enhanced ethylene production with a high FE of 50.0%.

Self-assembly and CO₂ photoreduction performance of two thermodynamically reversibly converted polyoxo-titanium clusters (PTCs), Ti₄-C8A and Ti₇-C8A, which were modified by calix[8]arene organic “functional armor”.

The first example of borate-catalyzed N-formylation of amines using CO₂ as the carbon source in the presence of hydrosilanes is demonstrated using sodium (trihydroxy)phenylborate as a transition metal-free catalyst.

An In₂O₃ supported Pt catalyst shows a significantly improved activity towards CO₂ hydrogenation with methanol selectivity of ca. 100% at temperatures below 225 °C, 73% at 275 °C and 54% at 300 °C.