Themed collection Green Chemistry Reviews
Biocatalysis in Ionic Liquids: State-of-the-Union
Anode co-valorization for scalable and sustainable electrolysis
A state-of-the-art review on anode valorization reactions to improve the economic viability and scalability of water or CO2 electrolysis.
Production of active pharmaceutical ingredients (APIs) from lignin-derived phenol and catechol
Active pharmaceutical ingredients (APIs) constitute a significant and growing global market; renewables are an increasingly important source of their starting materials.
Furan platform chemicals beyond fuels and plastics
Primary furan platform chemicals are attractive reactants for the production of fuels and polymers. This perspective shows that they are economic starting materials in the chemical and enzymatic synthesis of numerous chemicals of varying complexity.
Transition pathways towards net-zero emissions methanol production
The race to decarbonize our energy systems has led to significant advancement in technologies for harvesting renewable energy, carbon capture and conversion.
Towards the design of active pharmaceutical ingredients mineralizing readily in the environment
The optimization phase within API discovery is suitable for environmental considerations through Benign by Design. Pharmacological parameters are not necessarily in conflict with environmental biodegradability as an additional parameter.
Selenium-catalyzed selective reactions of carbonyl derivatives: state-of-the-art and future challenges
Organoselenium-catalyzed reactions of carbonyl derivatives can produce may useful compounds under mild and green conditions. This article aims to summarize the recent advances and give a perspective from both green chemistry and safety viewpoint.
Polymeric waste valorization at a crossroads: ten ways to bridge the research on model and complex/real feedstock
The valorization of polymeric wastes via depolymerization and simultaneous or subsequent catalytic treatment has gained enormous momentum. The goal of this paper is to do a virtuous circle between the subfields of model and real feedstock.
Chemical energy storage enables the transformation of fossil energy systems to sustainability
The enormous dimensions of sustainable energy transitions and their overarching systemic nature require adequate responses from chemical science.
Education in green chemistry and in sustainable chemistry: perspectives towards sustainability
Central role of future professionals in chemistry to promote alternatives towards sustainability.
Catalytic challenges and strategies for the carbonylation of σ-bonds
Direct catalytic insertion of carbon monoxide in chemicals poses the challenge of controlling both the σ-bond activation and the subsequent carbonylation.
CO2 hydrogenation over heterogeneous catalysts at atmospheric pressure: from electronic properties to product selectivity
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.
Neoteric solvents based blue biorefinery: Fuels, chemicals and functional materials from Oceanic biomass
Homogeneous modification of chitin and chitosan based on alkali/urea soluble system and their applications in biomedical engineering
Advances in catalytic dehydrogenation of ethanol to acetaldehyde
This review summarizes the recent catalyst achievements in oxidative and non-oxidative dehydrogenation of ethanol, and analyzes the reaction mechanism over typical catalysts.
Porous organic polymers as metal free heterogeneous organocatalysts
This review addresses the current literature on porous organic polymers (POPs) as a new class of metal free green heterogeneous catalysts.
Polymeric carbon nitride-based photocatalysts for photoreforming of biomass derivatives
Chemical and structural modification of carbon nitride for biomass photoreforming.
Reductive depolymerization as an efficient methodology for the conversion of plastic waste into value-added compounds
Reductive depolymerization allows the valorization of polyester, polycarbonate and polyamide waste in a wide variety of value-added compounds with good yields
Biomass-derived polymeric binders in silicon anodes for battery energy storage applications
Recent developments in silicon anode binders derived from various biomass sources, with a focus on polymer properties and their effect on battery performance.
Sustainable advances in SLA/DLP 3D printing materials and processes
The 3D printing market is booming in various sectors coupled with an alarming increase in 3D printed plastic waste. This review summarizes sustainable advances in SLA/DLP plastic 3D printing to date and offers a perspective for further developments.
Recent advances in non-precious metal electrocatalysts for oxygen reduction in acidic media and PEMFCs: an activity, stability and mechanism study
The state-of-the-art PGM-free ORR catalysts for PEMFCs, including their active sites, ORR and deactivation mechanisms are reviewed.
Cross-dehydrogenative coupling: a sustainable reaction for C–C bond formations
We provide a review of the progress of cross-dehydrogenative coupling reactions in constructing a wide variety of C–C bonds. Sustainable cross-dehydrogenative coupling reactions can be combined with multiple forms of energy output.
Electrochemical product engineering towards sustainable recovery and manufacturing of critical metals
This review presents an overview of electrochemical product engineering towards critical metal recovery and manufacturing, looking at process optimization and product innovation aspects.
Engineering graphitic carbon nitride (g-C3N4) for catalytic reduction of CO2 to fuels and chemicals: strategy and mechanism
This review summarises the structural-compositional engineering of carbon nitride (g-C3N4) for electrocatalytic and photocatalytic CO2 reduction to chemicals and fuels experimentally and theoretically.
Enzyme entrapment, biocatalyst immobilization without covalent attachment
The entrapment of enzymes in organic, inorganic or biomaterials can yield active immobilized biocatalysts for chemical transformations without the need to form covalent bonds with the protein.
Aqueous redox flow batteries: How ‘green’ are the redox active materials?
Development of active materials in aqueous organic redox flow battery contributes to the aspect of green technology. The ‘greenness’ of synthetic methodologies for preparing active materials are evaluated using the 12 principles of green chemistry.
Review on lignin modifications toward natural UV protection ingredient for lignin-based sunscreens
Lignin is a natural UV-blocking material owing to its aromatic structure with numerous phenolic, ketone, and intramolecular hydrogen bonds. To produce high-performance and applicable sunscreen from lignin, various modification methods can be applied.
Click chemistry for the synthesis of biobased polymers and networks derived from vegetable oils
Click green chemistry as an efficient functionalization and polymerization method of vegetable oils and their derivatives.
Self-assembly, interfacial properties, interactions with macromolecules and molecular modelling and simulation of microbial bio-based amphiphiles (biosurfactants). A tutorial review
Amphiphiles obtained by microbial fermentation, known as biosurfactants or bioamphiphiles, are reviewed in terms of their solution experimental and theoretical self-assembly properties, interface properties and interactions with macromolecules.
Metal phosphate catalysts to upgrade lignocellulose biomass into value-added chemicals and biofuels
This review presents an overview of the transformation of biomass-derived platform chemicals into value-added chemicals and biofuels using metal phosphate-based heterogeneous catalysts.
Research progress on the photocatalytic activation of methane to methanol
This review presents the recent progress of the photocatalytic conversion of CH4 to CH3OH from four aspects: photocatalysts, oxidants, sacrificial reagents, and CH4 activation mechanisms, along with its current status and existing challenges.
Fundamentals of cellulose lightweight materials: bio-based assemblies with tailored properties
Cellulose building blocks can be assembled into lightweight materials with properties tailored by the density and the morphology.
Applied biocatalysis beyond just buffers – from aqueous to unconventional media. Options and guidelines
It's not only lipases which can be applied in alternative solvent systems to meet industrial and environmental demands. At the hand of case studies and flowcharts this review quickly shows what solvent systems are viable.
Insights into the development of Cu-based photocathodes for carbon dioxide (CO2) conversion
The development of Cu-based photocathodes plays a critical role in in the realm of PEC CO2 reduction, especially for the formation of C2 products.
Electrochemical upgrading of depolymerized lignin: a review of model compound studies
This review addresses advancements and challenges in the use of electrochemical methods as a means of upgrading lignin-derived model compounds to value-added products.
Magnetron sputtering enabled sustainable synthesis of nanomaterials for energy electrocatalysis
This review summarizes recent advances in developing sputtered nanomaterials as catalysts for energy electrocatalysis. In-depth insights into architecture/compositional design, synthesis, mechanism, and performance are provided.
Flow synthesis approaches to privileged scaffolds – recent routes reviewed for green and sustainable aspects
This review discusses the use of flow chemistry as versatile tool for the synthesis and derivatisation of privileged scaffolds, looking at applicability, diversity-oriented synthesis options, inherent sustainability and green chemistry aspects.
Optimisation of catalysts coupling in multi-catalytic hybrid materials: perspectives for the next revolution in catalysis
From the fusion of bio- and chemocatalysts, immobilized in innovative materials, a new family of catalysts is emerging: multi-catalytic hybrid materials (MCHMs). It offers atom and energy savings and, above all, new prospects in chemical synthesis.
Tandem catalysis: one-pot synthesis of cyclic organic carbonates from olefins and carbon dioxide
One-pot tandem procedures represent a green and general approach towards process intensification as they are intrinsically simpler compared to the conventional stepwise processes, do not require intermediate isolation and are generally more efficient.
Chemical reactions in the hydrothermal liquefaction of biomass and in the catalytic hydrogenation upgrading of biocrude
This article systematically describes chemical reactions in biomass HTL and the catalytic hydrogenation upgrading of the obtained biocrude and analyze the effects of operating parameters on these two processes, such as reaction temperature, residence time and catalyst type.
Recent progress in the catalytic transformation of carbon dioxide into biosourced organic carbonates
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.
Catalytic hydrothermal deoxygenation of lipids and fatty acids to diesel-like hydrocarbons: a review
This review summarizes the reactions, catalysts and influence factors in the hydrothermal deoxygenation of lipids and fatty acids to diesel-like hydrocarbons.
Recent advances in heterogeneous catalytic transfer hydrogenation/hydrogenolysis for valorization of biomass-derived furanic compounds
Catalytic transfer hydrogenation/hydrogenolysis can valorize renewable compounds derived from biomass. Different catalysts have the ability to transfer hydrogen from hydrogen-donor molecules thereby avoiding the use of hazardous gaseous hydrogen.
Biomolecule-assisted synthesis of biomimetic nanocomposite hydrogel for hemostatic and wound healing applications
Biomolecule-assisted synthesis of biomimetic nanocomposite hydrogels reduces the environmental impact and has potential applications in hemostasis and wound healing.
Recent advances in visible-light-mediated organic transformations in water
Water is a green reaction medium, while visible light represents a renewable, clean, and abundant energy source. The recent advances in visible-light-mediated organic transformations in water are summarized.
Valorisation of Technical Lignin in Rigid Polyurethane Foam: A Critical Evaluation on Trends, Guidelines and Future Perspectives
Porphyrin and single atom featured reticular materials: recent advances and future perspective of solar-driven CO2 reduction
Insights into the porphyrin and single-atom featured metal- and covalent-organic frameworks for photocatalytic conversion of CO2 into value-added chemical feedstocks under visible light irradiation.
Glycerol in energy transportation: a state-of-the-art review
Glycerol-containing fluid was used as a novel and functional energy transport medium.
Progress in marine derived renewable functional materials and biochar for sustainable water purification
Progress in batch preparation of single-atom catalysts and application in sustainable synthesis of fine chemicals
Lignin-containing cellulose nanomaterials: preparation and applications
The preparation strategies of lignin-containing cellulose nanomaterials and their invented and potential applications were comprehensively reviewed.
Lignin amination valorization: heterogeneous catalytic synthesis of aniline and benzylamine from lignin-derived chemicals
Using lignin derivatives as substrates, important organic nitrogen chemicals such as aniline and benzylamine can be obtained with high selectivity through heterogeneous catalyzed amination.
Hydrothermal amination of biomass to nitrogenous chemicals
This review presents the conversion routes, processing strategies, state-of-the-art technical advances, challenges and perspectives in hydrothermal amination of N-rich biomass sources and N-free biomass feedstocks to nitrogenous chemicals.
Multifunctional lignin-based nanocomposites and nanohybrids
Significant progress has been achieved in recent years in relation to lignin valorization and development of high-performance sustainable materials.
Cellulose nanocrystals from ionic liquids: a critical review
The review highlights advantages and shortcomings of the synthetic methods for the preparation of cellulose nanocrystals, and describes their attributes such as surface morphology, size, crystallinity, and thermal properties.
Continuous flow asymmetric synthesis of chiral active pharmaceutical ingredients and their advanced intermediates
This review surveys continuous flow approaches for the synthesis of chiral APIs and their advanced stereogenic intermediates, covering the utilization of biocatalysis, organometallic catalysis and metal-free organocatalysis to introduce asymmetry.
Organic reactions in aqueous media catalyzed by nickel
This review highlights the nickel-catalyzed organic reactions in aqueous media with special focus on the mechanistic course of catalytic reactions and their applications.
Recycling of spent lithium-ion batteries in view of green chemistry
This research could provide a guideline for implementing green chemistry principles into spent LIBs recycling.
Metal-free nanostructured catalysts: sustainable driving forces for organic transformations
Research on metal-free heterogeneous catalysts in organic transformations during the past few decades, is summarized.
Application of metal–organic frameworks as an alternative to metal oxide-based photocatalysts for the production of industrially important organic chemicals
This critical review reports the heterogeneous photocatalytic production of industrially important organic chemicals with a particular focus on the use of metal–organic frameworks as an alternative to metal oxide-based photocatalysts.
METHANOL ECONOMY AND NET ZERO EMISSIONS: Critical Analysis of Catalytic Processes, Reactors and Technologies
Towards the environmentally friendly solution processing of metal halide perovskite technology
This article provides an overview of the research on green solvent alternatives for perovskite technology, with a fundamental discussion and analysis of the relationship between solvents, molecular ligands, and perovskite material properties.
Metallaphotoredox catalysis for multicomponent coupling reactions
The key advances in the field of metallaphotoredox-catalyzed multicomponent couplings in recent years are highlighted in this review. To better meet the needs of modern chemistry, further research outlooks were also proposed.
Bioresourced fillers for rubber composite sustainability: current development and future opportunities
This article reviewed the recent progress in the development and utilization of sustainable biofillers for rubber composite applications, emphasizing the effect of the filler on the structure–processing–property relationship of rubber composites.
Microplastics from textile origin – emission and reduction measures
Emission of fibrous microplastics from synthetic textile washing to the aquatic environment via wastewater treatment plant and reduction measures.
State-of-the-art and perspectives in the use of biochar for electrochemical and electroanalytical applications
Biochar is a versatile carbon-based material for the development of low-cost and environmentally friendly electrochemical devices.
Synthesis of (hemi)cellulosic lubricant base oils via catalytic coupling and deoxygenation pathways
This review provides a critical review and perspective for bio-lubricant development from biomass due to the strong interest in creating a more diverse energy supply, environmental sustainability, and a carbon neutral bioeconomy.
Quantum dots for photocatalysis: synthesis and environmental applications
Synthetic methods of QDs from low cost and natural resources.
Electrochemical oxidation of biomass derived 5-hydroxymethylfurfural (HMF): pathway, mechanism, catalysts and coupling reactions
HMF electrooxidation is emerging as a powerful and promising method to produce a wide range of high-value chemicals on account of mild operation conditions, controllable selectivity, and scalability.
Refining plant oils and sugars to platform chemicals, monomers, and polymers
This review examines whether plant oils and sugars can provide sustainable solutions to the chemical and plastic industry. A comprehensive account of conversion of plant oils and sugar into chemicals, monomers, and (co)polymers is presented.
About this collection
Welcome to our online collection of Green Chemistry reviews. Here we feature Critical reviews, Tutorial reviews and Perspective articles published in 2021. For more information about the different review types go to www.rsc.li/greenchem
Congratulations to all the authors whose articles are featured and we hope readers enjoy this collection.