Jingxiang Zhao

Jingxiang Zhao
Harbin Normal University | HRBNU · Department of Chemistry

About

120
Publications
5,422
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1,912
Citations
Citations since 2017
71 Research Items
1525 Citations
20172018201920202021202220230100200300400
20172018201920202021202220230100200300400
20172018201920202021202220230100200300400
20172018201920202021202220230100200300400

Publications

Publications (120)
Article
Full-text available
The electrochemical formic acid oxidation reaction (FAOR) has attracted great attention due to its high volumetric energy density and high theoretical efficiency for future portable electronic applications, for which the development of highly efficient and low-cost electrocatalysts is of great significance. In this work, taking single-atom catalyst...
Article
Mostly, adjusting or modifying the surface acidity by embedding other elements on HZSM-5 is carried out to promote catalytic performance for methanol dehydration. However, the modified HZSM-5 allows to conduct the dehydration reaction at high temperatures (≥ 220 °C), and with lower catalytic activity. In this work, the modification of NaZSM-5 by si...
Article
Full-text available
Serving as the premise to understand bulk allotropes, boron clusters have been intriguing experimentalists and theoreticians to study their geometries and chemical bonding. Here, we designed a complete core-shell B160 cluster stuffed by two B12 cores, which is energetically preferable over the bilayer structure of the same size. The unprecedented p...
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Development of efficient electrocatalysts requires construction of catalytic surfaces with moderate H adsorption energy. Here, we address this challenge by Br-induced formation of P-poor defective nickel phosphide and show that the H adsorption energy can be optimized by regulating the vacancy concentration. We show that when such defective Ni12P5−...
Article
Fe-Mo-O doping g-C3N4 exfoliated composite was fabricated and characterized by XRD, FT-IR, UV-vis, SEM, TEM, XPS and N2 adsorption-desorption techniques. The as-prepared composite was composed of MoO3, FeMoyOx and exfoliated g-C3N4 crystals, and thus demonstrated high efficiency for degradation of Rhodamine B by advanced oxidation due to the rapid...
Article
Full-text available
Retaining the ultrathin structure of two‐dimensional materials is very important for stabilizing their catalytic performances. However, aggregation and restacking are unavoidable, to some extent, due to the van der Waals interlayer interaction of two‐dimensional materials. Here, we address this challenge by preparing an origami accordion structure...
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Superior bifunctional electrocatalysts with ultra-high stability and excellent efficiency are crucial to boost the oxygen evolution reaction (OER) and the hydrogen evolution reduction (HER) in the overall water splitting (OWS) for the sustainable production of clean fuels. Herein, comprehensive density functional theory (DFT) computations were perf...
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Full-text available
Searching for low-cost and highly-efficient oxygen reduction reaction (ORR) catalysts is crucial to the large-scale application of fuel cells. Herein, by means of density functional theory (DFT) computations, we proposed a new class of ORR catalysts by doping the CrS2 monolayer with non-metal atoms (X@CrS2, X = B, C, N, O, Si, P, Cl, As, Se, and Br...
Article
2D imidazole MOFs are considered to be ideal carbon precursors for oxygen reduction reactions owing to their adjustable ligand components and durable coordination mode. Due to the massive electron delocalization in the lamella, the conjugative effect among 2D MOF layers immensely restricts the exposure of catalytic sites after carbonization, which...
Article
Urea synthesis through the simultaneous electrocatalytic reduction of N2 and CO2 molecules under ambient conditions holds great promises as a sustainable alternative to its industrial production, in which the development of stable, highly efficient, and highly selective catalysts to boost the chemisorption, activation, and coupling of inert N2 and...
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Urea electrosynthesis under ambient conditions has been emerging as a sustainable strategy to replace the harsh industrial process, in which the activation of the inert N2 molecule and the then C-N coupling still remain the huge challenge due to the lack of advanced electrocatalysts with multiple active sites. Here, by means of density functional t...
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High photogenerated carrier recombination and poor visible light response in symmetry graphitic carbon nitride are two classical problems for photocatalytic hydrogen evolution. In this work, we rationally design a novel carbon nitride (DPCN) with asymmetric embeddedness of pyridine ring. The embedded pyridine ring modulates the localization of elec...
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Modulating the microenvironment of single-metal active sites holds excellent promises for developing highly efficiently oxygen electrocatalysts. Herein, by combining theoretical predictions and experiments, we reported a general strategy to engineer the electronic properties of iron-nitrogen-carbon (FeN4/C) catalysts via the incorporation of the bo...
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Nanoporous metals show promising performances in electrochemical catalysis. In this paper, we report a self-supporting bimetallic porous heterogeneous indium/copper structure synthesized with a eutectic gallium-indium (EGaIn) material on a copper substrate. This nanoporous copper-indium heterostructure catalyst exhibits excellent performance in the...
Article
In order to get desired Cu2O catalyst on two-dimensional (2D) g-C3N4, bulk melamine-derived g-C3N4 with a very small specific surface area was exfoliated first and then Cu2O catalyst was loaded using solvothermal method. X-ray diffraction (XRD), transmission electron microscopy (TEM), atomic force microscopy (AFM), X-ray photoelectron spectroscopy...
Article
The exploitation of cost-efficiently electrocatalysts for hydrogen evolution reaction (HER) over a wide pH range remains a challenge. Herein, we prepared a novel multi-interface MoS2/Ni3S4/Mo2S3 composite on carbon cloth (CC) that acts as an efficient electrocatalyst over a wide pH range through a facile one-pot strategy, where (NH4)4[NiH6Mo6O24]·5...
Article
Developing excellent performance catalysts for the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) is fundamental for the commercialization of energy transduction and storage equipment. In our works, the potential of plenty of transition metals (TMs) anchored on phthalocyanine (TM-Pc) (TM = Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn,...
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The large‐scale application of efficient water‐splitting greatly promote the development of hydrogen economy which benefit both in alleviating the energy crisis and reaching the goal of carbon neutral. To realize considerable hydrogen evolution, rational design of catalysts with controllable structure and surface composition become crucial. In this...
Article
Iron and molybdenum modified phosphotungstates (FeMoPW) were synthesized by reaction of H3PW12O40 (PW) with Fe(NO3)3·9H2O and (NH4)6Mo7O24·4H2O, followed by calcined, and characterized by XRD, FT-IR, UV-vis, SEM, TEM and XPS to determine the surface composition and structure. The as-prepared FeMoPW was utilized as a catalyst for solvent-free oxidat...
Article
Electrochemical reduction of nitrate (NO 3 ⁻) to ammonia (NH 3) has attracted considerable interest due to its great promises for eliminating harmful pollutants and simultaneously producing valuable NH 3 , in which the development of highly efficient and selective catalysts still remains huge challenges. Herein, by means of density functional theor...
Article
Compared to single-atom catalysts, supported metal clusters can exhibit enhanced activity and designated selectivity in heterogeneous catalysis due to their unique geometric and electronic features. Herein, by means of comprehensive density functional theory (DFT) computations, we systematically investigated the potential of several Ni clusters sup...
Article
Full-text available
In this work, a desired Cu2O catalyst supported on graphitic carbon nitride and reduced graphene oxide hybrid (Cu2O/g-C3N4–rGO) with excellent catalytic performance in the reduction of 4-nitrophenol (4-NP) by NaBH4 has been fabricated. X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray photoel...
Article
Full-text available
Green hydrogen production and CO2 fixation have been identified as the fundamental techniques for sustainable economy. The open challenge is to develop high performance catalysts for hydrogen evolution reaction (HER) and CO2 electroreduction (CO2ER) to valuable chemicals. Under such context, this work reported computational efforts to design promis...
Article
Iron and vanadate modified phosphotungstate was fabricated by Fe salt and vanadate incorporating into H3PW12O40. Its morphology, composition and structure were determined by XRD, SEM, TEM, FT-IR and XPS. The catalytic performance of the prepared composite for selective oxidation of methanol to dimethoxymethane using molecular oxygen as oxidant was...
Article
Cobalt and nickel modified phospotungstates (CoNiPW) were fabricated via the reaction of H3PW12O40•6•5H2O (PW) with Co(NO3)2•6H2O and NiCl•6H2O, followed by calcination; and then characterized by various physicochemical techniques, such as XRD, FT-IR, UV–vis, SEM, TEM and XPS to determine the surface morphology, structure and composition. The as-pr...
Article
The synthesis of high-value multi-carbon products through the electrochemical reduction of carbon monoxide (COER) is one of the promising avenues for carbon utilization and energy storage, in which searching for efficient electrocatalysts that exhibit moderate CO intermediate binding strength and low kinetic barrier for C-C coupling is a key issue....
Article
The development of highly-efficient electrocatalysts with bifunctional catalytic activity for oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) still remains a great challenge for the large-scale application of renewable energy conversion and storage technologies. Herein, by means of comprehensive density functional theory (DFT) c...
Article
Electrocatalytic nitrogen reduction reaction (eNRR) with sustainable energy under ambient conditions represents an attractive approach to producing ammonia, but the design of the-state-of-the-art electrocatalyst with high efficiency and selectivity still faces formidable challenges. In contrast to traditional eNRR catalyst design strategies focusin...
Article
Graphic carbon nitride polymer was modified with transition bimetals compounds by impregnation of pre-prepared g-C3N4 in aqueous solution of ammonium molybdate and vanadate. The prepared hybrid material was characterized by XRD, SEM, TEM, FT-IR, XPS and N2 adsorption–desorption techniques to determine its surface morphology, composition and structu...
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The development of bifunctional electrocatalysts with good stability and high efficiency for oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) is crucial for renewable energy conversion and storage. Herein, by means of swarm-intelligence structure search and density functional theory (DFT) computations, we proposed a novel kind of...
Article
Full-text available
A composite material Fe–V/g-C3N4 prepared by impregnation achieved an efficient performance for heterogeneously catalytic oxidation of methanol to dimethoxymethane (DMM) and poly(oxymethylene) dimethyl ethers (POM) by O2 oxidant in batch reactor, exhibiting 34.3% conversion and > 99.0% selectivity to DMM and POM. However, a pioneered strategy for t...
Article
Searching for effective anchoring material to capture and convert lithium polysulfides (Li2Sn) for suppressing their shuttling effects has been a key scientific issue for the development of lithium sulfur (Li-S) batteries with high-efficiency. Herein, by means of density functional theory (DFT) computations, we have explored the potential of doped...
Article
In this study, flower-like MoS2 prepared using hydrothermal method has been designed to hybrid with Cu2O using Cu(NO3)2·3H2O as copper salt and salicylaldehyde as reducing agent. The as-prepared composite has been characterized by X-ray diffraction (XRD), Raman spectrometer, Transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (...
Article
The copper vanadate nanowires grown on g-C3N4 were fabricated with a simple impregnation approach. The organic-inorganic hybrid materials were characterized by various methods, involving XRD, SEM, TEM, FT-IR, XPS and N2 adsorption-desorption technique to identify their composition, structure and growing process. The selective oxidation of methanol...
Article
Fe and Ce incorporated graphic carbon nitride Fe-Ce/g-C3N4 was fabricated with Fe(NO3)3, (NH4)4Ce (SO4)4 and g-C3N4 as precursors and its surface composition and structure was identified by XRD, SEM, TEM, FT-IR, XPS, ICP-OES and N2 adsorption-desorption approach. The results demonstrated that the hybrid composite was constituted with Fe3O4 supporte...
Article
The electrocatalytic performance of nitrogen reduction reaction (NRR) is seriously hindered by the lack of cost-effective electrocatalysts with high-efficiency and high-selectivity. In this work, the NRR catalytic activity of single carbon (C) atom embedded into two-dimensional (2D) transition metal carbides (M2CO2, M= Ti, Zr, Hf, Nb, Ta, Mo, and W...
Article
SO42--Fe-V/ZrO2 composite material was prepared by impregnation and characterized by XRD, FT-IR, SEM, TEM, XPS and N2 adsorption-desorption to determine the phase composition and structure property of the material. The results indicated that the SO42- species, V2O5 and Fe2(V4O13) nanoparticles were supported on the support ZrO2. The prepared compos...
Article
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A composite material Ti/SIL was prepared by Ti(OC4H9)4 coordinating to imidazolium ionic liquid grafted on SBA-15 and characterized by FT-IR, XRD, TEM, XPS, NH3-TPD and N2 adsorption–desorption technique. The catalytic performance of the prepared Ti/SIL for solvent-free oxidation of α-methylstyrene (AMS) to acetophenone using H2O2 oxidant was evalu...
Article
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A composite material (FeSIL) prepared by FeCl3-imidazolium ionic liquid grafted on SBA-15 exhibited effective catalytic activity for solvent-free oxidation of styrene into benzaldehyde with high selectivity using H2O2 oxidant and it presented easy recovery and reusability. In situ DRIFTS spectra for styrene and H2O2 adsorption showed that an interm...
Article
Vascular stiffening is associated with the prognosis of cardiovascular disease (CVD). Endothelial dysfunction, as shown by reduced vasodilation and increased vasoconstriction, not only affects vascular tone, but also accelerates the progression of CVD. However, the precise effect of vascular stiffening on endothelial function and its mechanism is u...
Article
The nitrogen electroreduction reaction (NRR) in aqueous solutions at ambient conditions represents an attractive prospect to produce ammonia, but the development of long-term stable and low-cost catalysts with high-efficiency and high-selectivity remains a great challenge. Single-atom catalysts have emerged as a new frontier in heterogeneous cataly...
Article
Metal-free catalysts with controllable compositions are quite attractive for ORR/OER applications in fuel cells due to their low cost, high stability and high efficiency. Nitrogen-doped graphdiynes have recently emerged as such a promising metal-free ORR catalyst, with excellent catalytic performances compatible to Pt/C. Considering the mechanism o...
Article
A composite material VOx/g-C3N4 was prepared and its composition and structure was characterized by FT-IR, XRD, SEM, TEM and XPS. The results showed that VOx was grafted on g-C3N4 surface with molecularlevel dispersion via V or O atoms interacting with the characteristic groups on g-C3N4 surface. The highly dispersed VOx/g-C3N4 exhibited effectivel...
Article
Full-text available
Pan Shang,1,* Gan Chen,1,* Guannan Zu,2 Xiang Song,1 Peng Jiao,2 Guoxing You,1 Jingxiang Zhao,1 Hongyi Li,2 Hong Zhou11Academy of Military Medical Sciences, Institute of Health Service and Transfusion Medicine, Beijing 100850, People’s Republic of China; 2Photoelectrochemical Research Group, School of Materials Science and Engineering, Beijing Univ...
Article
Nitrogen‐doped graphdiynes recently emerged as promising metal‐free oxygen reduction reaction (ORR) electrocatalysts. However, which type of N‐dopants contributing to the enhanced catalytic performance and the catalytic performances of other heteroatom‐doped graphdiynes has not been explored systematically. Herein, ORR and oxygen evolution reaction...
Article
BACKGROUND Cryopreservation in dimethyl sulfoxide and storage at −80 °C extends the shelf life of platelets to at least 2 years, allowing greater availability in rural and military areas. While cryopreserved platelets (CPPs) have been extensively characterized for coagulation and thrombin generation, reports on the mechanism of adverse reactions to...
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Using FeCl3 and FeSO4 as precursors, Fe3O4 were prepared by co-precipitation method via FeCl3 and FeSO4 aqueous solutions successively added to NaOH solution. The sample was proved by X-ray powder diffraction, transmission electron microscope, ultraviolet–visible spectrophotometry and magnetic measurement. The results showed that the prepared Fe3O4...
Article
The development of low‐cost and efficient electrocatalysts for nitrogen reduction reaction (NRR) at ambient conditions is crucial for NH3 synthesis and provides an alternative to the traditional Harber‐Bosch process. Herein, by means of density functional theory (DFT) computations, the catalytic performance of a series of single metal atoms support...
Article
Surface-controlled CuOx/rGO nanocomposite has been successfully fabricated in this study using a simple hydrothermal method. In addition to the characterization by X-ray diffraction (XRD), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS) and N2 adsorption/desorption, the catalytic conversions of 4-nitrophenol (4-NP), m...
Article
Fe3O4 was prepared by an alternative method using the dropwise addition of FeCl3 and FeSO4 precursor solutions into a NaOH solution, as proved by XRD, TEM and magnetic measurements. The Fe3O4 material was confirmed to be well-crystallized magnetite with an average size of about 21.5 nm and stronger superparamagnetic with a saturation magnetization...
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Background: Uncontrolled hemorrhage (UH) remains the most common cause of death on the battlefield. This study examined the pathophysiological characteristics of UH in rats acutely exposed to high altitude. Material and methods: Rats raised at sea level were randomly divided into two groups. Rats in the high-altitude group were exposed to hypoba...
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Background: Platelets are essential for primary hemostasis and also play an important role in inflammatory reactions. The hemostatic property of Cryopreserved platelets (CPPs) has been confirmed in the treatment of bleeding casualties, but inflammatory injury induced by CPP transfusion is relatively unclear. We aim to investigate the effects of CP...
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Nano metal oxides such as Fe2O3, Fe3O4, CuO, NiO, ZnO and SnO2 were prepared and characterized using XRD, SEM and TEM analysis. These as-prepared metal oxide materials were used as catalysts for the etherification of methanol with propylene oxide (PO). The results showed that α-Fe2O3 exhibited outstanding catalytic performance with 97.7% conversion...
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Objective: To compare the efficacy of hypotensive resuscitation with hypertonic saline dextran 70 (HSD) and lactated Ringer (LR) solutions in a rat model of hemorrhagic shock at a simulated altitude of 4,000 m. Methods: Anesthetized rats were bled to maintain their mean arterial pressure (MAP) at 45 mm Hg for 1 h. The distal quarter of the tail...
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Sepsis-associated acute liver injury contributes to the pathogenesis of multiple organ dysfunction syndrome and is associated with increased mortality. Currently, no specific therapeutics for sepsis-associated liver injury are available. With excess levels of reactive oxygen species (ROS) being implicated as key players in sepsis-induced liver inju...
Article
Alkali-treated zeolite material was prepared by using 0.1–0.4 mol/L NaOH aqueous solution, as characterized by XRD, SEM, N2 adsorption-desorption technique and ammonia-temperature programmed desorption (NH3-TPD). The as-prepared zeolite was found to be an effective catalyst for alcoholysis of urea and disubstituted urea to produce alkyl carbamate,...
Article
Hemorrhagic shock/resuscitation involves overwhelming reactive oxygen species (ROS) that cause oxidative stress, inflammation, and subsequent tissue injury. We investigated the effects of the potent antioxidant carboxyfullerene (C3) on acute liver injury during hemorrhage shock/resuscitation. C3 infusion reduced the alanine aminotransferase (ALT) a...
Article
The design and development of low–cost and highly efficient electrocatalysts for oxygen reduction reaction (ORR) is crucial to the large–scale commerical application of fuel cells. Herein, by means of comprehensive densty functional theory (DFT) computations, we explored the potential of the heteroatom doping (N and P) to activate the basal plane o...
Article
Enhancing the catalytic activity and decreasing the usage of Pt catalysts has been a major target in widening their applications for developing proton-exchange membrane fuel cells. In this work, the adsorption energetics, structural features, and electronic properties of several MPt12 (M = Fe, Co, Ni, Cu, and Pd) nanoparticles (NPs) deposited on N-...
Article
Background: Several kinds of crystalloid solutions have been used in the treatment of hemorrhagic shock (HS). Clinicians are faced with how to select the resuscitation fluids. The aim of the present study is to compare the effects of 3 crystalloid solutions, such as normal saline (NS), lactated Ringer's (LR), and Plasma-lyte A (PA), on acid-base s...
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Full-text available
Developing metal-free catalysts for CO oxidation has been a key scientific issue in solving the growing environmental problems caused by CO emission. In this work, the potential of the silicon carbide (SiC) monolayer as a metal-free catalyst for CO oxidation was systematically explored by means of density functional theory (DFT) computations. Our r...
Article
The reaction of methanol with CO2 to obtain dimethoxymethane (DMM) at 150 °C and initial pressure of 3.0 MPa CO2 was realized in the presence of basic functionalized ionic liquid BmimOH. Although the conversion of methanol was low (2.4%), CO2 as a soft oxidant was firstly introduced for selective oxidation of methanol into DMM. The effect of the fu...
Article
Full-text available
RBCs undergo numerous changes during storage and stored RBCs may induce adverse effects, ultimately resulting in organ injury in transfusion recipients. We tested the hypothesis that the addition of SP to stored RBCs would improve the quality of the stored RBCs and mitigate liver injury after transfusion in a murine model. RBCs were harvested from...
Article
Iron-chloride immobilized ionic liquid (SIL-FeCl3) was prepared by N-methylimidazole reacting with chloropropylsilane linked on the mesoporous silica SBA-15 and coordinating of FeCl3 to the imidazolium chloride grafted on the surface, as proved by XRD, TEM, NMR, FT-IR, ICP-MS, UV-vis and N2 adsorption-desorption technique. The results showed that t...
Article
Although many attempts have been made to design advanced hemoglobin-based oxygen carriers (HBOCs), no clinically viable product has been widely approved, because they do not perform normal blood functions, such as coagulation, hematologic reactions and stability. Additionally, the in vivo oxygenation of hemoglobin-loaded nanoparticles (HbPs) encaps...
Article
The ionothermal synthesis and spectroscopic, thermal and structural characterization of two new compounds [Cu(C4H6N2)4]Br2 (1) and [Ni(C4H6N2)4]Br2 (2) [(C4H6N2)= N-methylimidazole] are reported. In both 1 and 2, the central metal Cu (or Ni) ion adopts a square planar geometry and is bonded to the N-atoms of four terminal N-methylimidazole ligands....
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Background: The optimal oxygen administration strategy during resuscitation from hemorrhagic shock (HS) is still controversial. Improving oxygenation and mitigating oxidative stress simultaneously seem to be contradictory goals. To maximize oxygen delivery while minimizing oxidative damage, the authors proposed the notion of gradually increased ox...
Article
The two-component mixed oxides FeVOx with various molar ratio of Fe to V were prepared and their phase composition, structure and morphology were determined by XRD and SEM. This prepared material was employed for liquid-phase oxidation of octanol using H2O2 as oxidant. The mixed oxide FeVOx with 2.5 : 1 of Fe to V molar ratio was found to be an eff...
Article
A series of hydroxyl-functionalized ionic liquids such as dialkyl (or alkyl) di-(tri-) hydroxyethyl ammonium hydroxide, tetrahydroxyethyl ammonium hydroxide and alkylhydroxyethyl or dihydroxyethyl immidazolium hydroxide were synthesized and characterized by FT-IR and 1H NMR. These ionic liquids containing hydroxyls were used as catalysts for direct...