Rafael Luque

King Saud University | KKUH · College of Science

Citations in chemistry at the dawn of open science - Dataset for 10 selected papers from ChemComm 50/2023

A developed field of scholarly research already in the early 1980s, citation analysis is generally poorly known in the research chemistry community. Critically reviewing the outcomes of studies devoted to citations in chemistry, and adding new results from the analysis of contemporary chemistry research, this study aims to fill knowledge gaps conce...

Correction for 'Catalytically active designer crown-jewel Pd-based nanostructures encapsulated in metal-organic frameworks' by Liyu Chen et al., Chem. Commun., 2017, 53, 1184-1187, https://doi.org/10.1039/C6CC09270E.

The reaction to obtain furan alcohols is one of the most important in the upgrading of furan derivates. An attractive route is the transfer hydrogenation of furfural using acidic-basic catalysts. In this work, mixed oxides derived from ternary hydrotalcites were employed to obtain furfuryl alcohol from furfural assisted by microwave irradiation. Th...

In the original publication [...]

Single-atom (SA) catalysts (SACs) have demonstrated outstanding catalytic performances toward plenty of relevant electrochemical reactions. Nevertheless, controlling the coordination microenvironment of catalytically active SAs to further enhance their catalytic oerformences has remained elusive up to now. Herein, a systematic investigation of 20 t...

Increased consumption of palm oil results in more palm oil by-products. To meet environmental sustainability, deodorizing distillate palm oil (DDPO) also calls attention to diversifying its technological or commercial application. Because of this, the present work, to present new economic-scientific alternatives for this by-product, aimed to evalua...

The synergetic effect is an effective approach to promote green hydrogen evolution reaction (HER), however not yet reported for ternary metal doped porous g-C3N4 fiber-like nanostructures. Herein we synthesized ternary...

We described here a simple and metal‐free protocol to synthesize [1,2,3]triazolo[1,5‐ a ]quinoline 3‐carboxamides through a two‐step synthetic strategy, in which the first step uses organocatalysis (10 mol % of diethylamine or 1,8‐diazabicyclo[5.4.0]undec‐7‐ene, while the second step involves the use of inorganic base (1.2 or 0.1 equiv. of potassiu...

Visible-light-assisted photocatalysis has been recognized as an effective solution to the degradation of various pollutants including antibiotics, pesticides, herbicides, microplastics, and organic dyes. Herein, an n-n heterojunction TiO2/Fe-MOF photocatalyst is reported, designed via hydrothermal synthesis route. TiO2/Fe-MOF photocatalyst was char...

The urgent issues related to the catalytic processes and energy applications have accelerated the development of hybrid and smart materials. MXenes are a new family of atomic layered nanostructured materials that require considerable research. Tailorable morphologies, strong electrical conductivity, great chemical stability, large surface-to-volume...

The reaction of isomeric lutidines with ozone in an acetic acid solution was investigated. The composition of final and intermediate products was established. Kinetic studies of the interaction of isomeric lutidines with ozone in acetic acid solution were studied, with a possible reaction mechanism proposed. The influence of methyl groups on the oz...

Covalent organic frameworks (COFs) based on core@shell nanohybrids have recently received significant attention and have become one of the most promising strategies for improving the stability and catalytic activity of COFs. Compared with traditional core@shell, COF-based core@shell hybrids own remarkable advantages, including size-selective reacti...

The tailored design of tri-metallic Pt-based porous nanodendrites (PNDs) is crucial for green energy production technologies, ascribed to their fancy features, great surface areas, accessible active sites, and stability against aggregation. However, their aqueous-phase one-step synthesis at room temperature remains a daunting challenge. Herein, we...

Parathion and diazinon are two significant organophosphorus pesticides broadly used in agriculture. However, these compounds are toxic and can enter into the environment and atmosphere via various processes. Herein, we synthesized and post-functionalized a porphyrinic covalent organic framework (COF), COF-366, with elemental sulfur under solvent-fr...

The need for sustainable and ecofriendly materials has grown due to practical considerations over the past few decades. Metal-organic frameworks (MOFs) have drawn significant interest due to their distinctive and intriguing chemical and physical properties as they have been utilized in a variety of chemistries to convert biomass into biofuels and o...

The global energy demand and consumption have upgraded greatly due to constant population and economic growth. The reinforced investment into solar energy, bioenergy, many other possible fuel technologies, and cost-effective energy storage devices have gained more attention to overcome energy crises. The concept of addressing such a principal chall...

A unique nanomaterial platform was developed for trace detection and efficient degradation of triclosan (TCS). A facile spectroscopic technique for surface-enhanced Raman scattering (SERS)-supported identification and ultraviolet (UV) degradation of TCS using a SERS template based on silver spherical nanoparticle (AgNP)-modified ZnO multipods (ZnO@...

Cleavage of aromatic ether bonds through hydrogenolysis is one of the most promising routes for depolymerisation and transformation of lignin into value-added chemicals. Herein, we investigate the catalytic transfer hydrogenolysis (CTH) of benzyl phenyl ether (BPE), as a model molecule of α-O-4 lignin linkages, over commercial Ru/C under microwave...

Organic photochemistry developed intensely in the 1980s in which the nature of excited electronic states and the energy and electron transfer processes were thoroughly studied and finally well‐understood. This knowledge from molecular organic photochemistry can be transferred to the design of covalent organic frameworks (COFs) as active visible lig...

An efficient continuous-flow (CF) protocol was designed for the hydrogenation of lignin-derived aromatics to the corresponding cycloalkanes derivatives. A parametric analysis of the reaction was carried out by tuning the temperature, the H2 pressure and the flow rate, and using diphenyl ether (DPE) as a model substrate, commercial Ru/C as a catalys...

Carapa guianensis is a tree from Meliaceae family traditionally known as andiroba that has a wide range of biological properties, including therapeutic effects, antioxidant activities, insecticidal and repellent effects that can be used in biotechnological approaches to medicine, agriculture, and cosmetic products. Therefore, we aim to explore the...

A R T I C L E I N F O Keywords: Zinc-ion supercapacitor V-doped MnO 2 Aerogel structure Cathode material A B S T R A C T Zinc-ion hybrid supercapacitors (ZIHCs) show great potential as advanced energy storage devices. Herein, we present vanadium (V)-doped manganese oxide aerogel structured (V-Mn-O) cathode material with expended interlayer space fo...

Diffusion dialysis (DD) process utilizing anion exchange membranes (AEMs) is an environmentally-friendly and energy-efficient technology. From acidic wastewater, DD is needed for acid recovery. This research reports the development of a series of dense tropinium-functionalized AEMs via solution casting method. Fourier Infrared transform (FTIR) spec...

The management and final disposal of agro-industrial wastes are one of the main environmental problems. Due to the presence of silica in some agricultural by-products, it is possible to convert waste into materials with advanced properties. This contribution was aimed to extract and characterize silica materials from various feedstocks including su...

With the rapid development of the global electronics industry, waste printed circuit boards (WPCBs) has become one of the world’s fastest growing waste streams. Exploring an environmentally sound treatment for this abundant and multi-component waste is critical to its sustainable development. This study has been aimed to cover thermochemical conver...

Glycerol is a platform molecule allowing the production of high value-added molecules with numerous industrial applications in many different fields. Among the several studies found in the literature, the increasingly reported use of microwave (MW) radiation has been due to its valuable advantages, mainly in the reduction of reaction time, energy e...

The demand for green and economically viable processes has stimulated the search for new technologies in the field of materials sciences, boosting the research and development of Ordered Mesoporous Silicas (OMSs) using low-cost starting reagents. This review intends to provide an overview of research and its contributions to the production of OMSs...

The practical benefits of sustainable catalysts have incessantly increased their demand over the past few decades. For chemical processes, extended carbon supported nanocatalysts are useful because of their high porosity area and appropriate physiochemical stability. In numerous catalytic processes, they have been employed to convert biomass into v...

The development of new materials that have a high capacity to remove pollutants in water-based media is becoming increasingly important because of the serious contamination of water and the negative impact on biodiversity and public health. The presence of glyphosate in water, the most widely used herbicide worldwide, has triggered alerts owing to...

Furfural is an interesting bio-platform derived from lignocellulosic biomass that can be converted into chemicals and add-value products. In this work, the continuous-flow hydrogenation of furfural with 2-propanol was carried out using transition metal-based catalysts. C-MIL-101(Fe) and C-MIL-125(Ti), were successfully synthesized upon calcination...

Food waste (FW) is a severe environmental and social concern that today's civilization is facing. Therefore, it is necessary to have an efficient and sustainable solution for managing FW bioprocessing. Emerging technologies like the Internet of Things (IoT), Artificial Intelligence (AI), and Machine Learning (ML) are critical to achieving this, in...

The authors wish to make the following correction to this paper [...]

The exploitation of biomass to reduce the dependency on fossil fuels represents a challenge that needs to be solved as soon as possible. Nowadays, one of the most fashionable processes is γ‐valerolactone (GVL) production from bio‐derived methyl levulinate (ML). Deep understanding of the thermodynamic aspects involved in this process is key for a su...

Aluminum sulfate was employed as the main accelerator in order to explore new non-chloride and alkali-free cement accelerators. Acrylic acid, aluminum fluoride, or alkanolamine were used as regulators to further accelerate cement setting. The setting time, compressive, and flexural strengths in cement early strength progress were detected, and both...

A series of MWCNTs-supported Pt monometallic, bimetallic and trimetallic catalysts (MWCNTs-modified multi-walled carbon nanotubes) are synthesized by a simple chemical reduction method, and they are used to catalyze furfural selective hydrogenation. PtNiCo/MWCNTs shows much better catalytic property than the monometallic catalysts (Pt/MWCNTs) and b...

A TiO2-Fe2O3/C catalyst was synthesized utilizing Metal-Organic-Frameworks (MOFs) as a sacrificial template prepared by the solvothermal method and pyrolyzed in an inert nitrogen (N2) atmosphere. This material was characterized using various techniques, including X-ray diffraction, N2 porosimetry, and X-ray photoelectron spectroscopy; these techniq...

Biomass pyrolysis is one of the cleaner ways to produce bioenergy focusing on bio-oil. The high oxygen content of oxygen in bio-oil limits its application in transportation applications. The deoxygenation of bio-oil using various catalyst systems is required to upgrade the bio-oil. Herein, we presented the scientometric analysis of microporous zeol...

Mesoporous materials Al-SBA-15 have been synthesized and functionalized with different Al/Zr molar ratio and 0.5% Au and Ru, respectively, by a mechanochemical approach. Textural and structural properties of synthesized materials have been analysed by TEM (Transmission Electron Microscopy), SEM (Scanning Electron Microscopy), XPS (X-ray photoelectr...

Hydrothermal carbonization is a technology that can quickly treat sludge. However, the high nitrogen content of the sludge hydrochar will produce NOx and pollute the environment, which influences the utilization of hydrochar as a fuel. Therefore, the calcined Ni–Al and Ni–Mg–Al layered double hydroxides (LDH) catalyst, named layered double oxides (...

This review provides a state-of-the-art summary of distributed zeolite technology, as well as identifying strategies to further promote the absorption of these materials in various areas of study. Zeolites are materials that can be synthesized or found in natural rock deposits a with a basic composition consisting in Al, Si, and O. Zeolite’s consid...

The disastrous impact of COVID-19 pandemic has caused a significantly increased production and use of pharmaceutical drugs, which is accompanied by the rapid generation of waste pharmaceutical blisters (WPBs). Nonetheless, its treatment has not gained appropriate attentions and a perceptible process development was not achieved. In this study, the...

Chemical-based syntheses of metallic nanoparticles (MNPs) has become a major topic of research exploration in the field of nanotechnology. The utilization of folic acid (FA) as stabilizing and capping agent has been reported as a novel route for the synthesis of bimetallic nanomaterials. The present study includes novel research and brief discussio...

Novel molecularly imprinted organically modified silica was prepared by reacting acrylamide and 3-(tri-methoxysilyl) propyl methacrylate followed by condensation and hydrolysis with tetraethyl ortho-silicate for the determination of pyriproxyfen. The sorbent proved to be highly selective for the template molecule, pyriproxyfen. The characterization...

A potential application of spiky SiO2 nanoparticles (NPs) with tubular and rough surfaces is investigated as superhydrophobic coatings, for their unique transparent, fluorinate‐free, and environmentally friendly properties. This study demonstrates a facile method for the successful fabrication of superhydrophobic coatings and SiO2@polydimethylsilox...

Chitin, the second most abundant biopolymer in the planet after cellulose, represents a renewable carbon and nitrogen source. A thrilling opportunity for the valorization of chitin is focused on the preparation of biomass-derived N-doped carbonaceous materials. In this contribution, chitin-derived N-doped carbons were successfully prepared and func...

The Fe3O4@SiO2@Pr‐N (CH2CH2‐OBuSO3H)3 as magnetic nanocatalyst with Fe3O4 core has been synthesized and used in the synthesis of tetrahydroacenaphtho[1,2‐b]indolones, which was accomplished through the one‐pot four‐component reaction of 5,5‐dimethyl cyclohexane‐1,3‐dione, acenaphthoquinone, arylamines, and active methylenes under solvent‐free condi...

The acetalization of furfural and ethanol was investigated over aluminophosphate (APAl) catalysts using both batch and flow reaction systems to produce furfural diethyl acetal (FDA). APAl catalysts were synthesized with varying P/Al ratios and calcination temperatures to study their effects on Brønsted acid active sites for the reaction. Catalysts...

Addressing the CO 2 challenge is mandatory for the well-being of Earth's ecosystem and humanity. CO 2 catalytic hydrogenation is a suitable solution.

Research related to lignin utilization has drawn extensive attention from academia to industry. However, the wide distribution and low economic value of depolymerization products make the valorization of lignin to...

Inspired by the synergistic collaboration of multiple active sites in living systems, a novel bifunctional acid-base ordered mesoporous carbon, denoted “Ionic liquid derived Bimodal cubic Ordered Mesoporous Carbon” (IBOMC) was...

A recently reported ruthenium supported on a novel N,S-doped ordered bimodal mesoporous carbon has been successfully employed in the continuous flow catalytic hydrogenation of LA to γ‑valerolactone and N-containing heterocycles...

Microwave (MW) and conventional heating (CH) strategies were compared for the synthesis of fuel additives (alkyl levulinates) obtained from levulinic acid. Phosphomolybdic acid (PMA) and phosphotungstic acid (PTA)-containing graphitic carbon...

MOF@Biomass layered hybrids were designed through in situ growth from rice husk (RH) and microwave-assisted synthesized MIL-53(Al) particles that enable the reduction of reaction times. The synthesis process included steps to pretreat RH, Al adsorption on RH, and then MIL-53(Al) in-situ growth reaction at 125 °C for 60 min and 200 W irradiation pow...

Per- and polyfluoroalkyl substances (PFASs) are compounds used since 1940 in various formulations in the industrial and consumer sectors due to their high chemical and thermal stability. In recent years, PFASs have caused global concern due to their presence in different water and soil matrices, which threatens the environment and human health. The...

In recent decades, there has been a great deal of interest in conducting polymers due to their broad applications. At the same time, various synthetic techniques have been developed to produce various nanostructures of the conducting polymers with their fascinating properties. However, the techniques for the manufacture of 2D nanosheets are either...

Engineered nanostructures are materials with promising properties, enabled by precise design and fabrication, as well as size-dependent effects. Biomedical applications of nanomaterials in disease-specific prevention, diagnosis, treatment, and recovery monitoring require precise, specific, and sophisticated approaches to yield effective and long-la...

Carbon-carbon coupling reactions are of great interest for a wide range of applications including pharmaceutical compounds and biologically active molecules. Usually, coupling reactions were performed using a homogeneous catalyst and organic solvent. Thus, the use of greener solvents as well as the heterogenization of the classical metal-based cata...

Single or multilayer boron nitride nanoflakes (BNNSs), known as white graphite, due to their have various technological applications unique properties such as mechanical stability, high thermal stability and chemical inertness. In this study, copper (Cu) nanoparticles (NPs) were successfully uniformly attached on BNSS surface by precipitation proce...