Synthesis of copper ii oxide cuo nanoparticles and its application as gas sensor. (Jayalakshmi .

Synthesis of copper ii oxide cuo nanoparticles and its application as gas sensor. This paper discusses different Cu=O nanostructures synthesis methods and their characterization as well as their applications. Various synthesis techniques for CuO nanomaterials and their potential applications are discussed in this article. Feb 12, 2025 · This review intends to give an overview of synthesis and characterization of copper oxide nanoparticles (CuO NPs) for Optical andphotocatalytic applications. 2 and 1. Copper (II) oxide (CuO) nanoparticles have been extensively studied because of their outstanding photocatalytic properties and resemblance to other metal nanoparticles [8]. XPS studies confirmed the presence of copper ions I. Jan 22, 2020 · The optical and dielectric properties of Copper Oxide (CuO) have made it a fascinating material to be used in solar energy harvesting, gas sensing, optoelectronics and catalytical applications. Among all the metal oxides copper oxide nanomaterials have attracted more attention due to its unique properties. Hence, in the current work, we have prepared the nanoparticles (NPs) of CuO by flash combustion route using different concentrations of citric acid (CA). , 2015) Another research by Jayalakshmi and Yogamoorthi, 2014, they are using flower of Cassia alata to synthesis CuO NPs, Cassia alata L. Feb 15, 2009 · The present investigation reports, the novel synthesis of nanoparticles Cu and Cu 2 O using thermal decomposition and its physicochemical characterization. Aug 1, 2008 · We reported on the synthesis and gas-sensor application of copper oxide particles and plates. Metal nanoparticles have numerous applications in physics, chemistry, materials science, and industry [1-3]. May 6, 2025 · Abstract Copper oxide nanoparticles have generated significant attention due to their unique properties, making them potential solutions for a wide range of applications, including bio-lubricants. Transmission electron microscopy (TEM Sep 1, 2023 · Herein, we report our assiduous endeavor to meet one of the demands of 21st century, the green route of synthesis, for copper (II) oxide nanoparticles (CuO NPs) using Averrhoa carambola leaf extract for the first time. The possible modification of the chemical and physical properties of these nanoparticles using different synthetic strategies and conditions and/or via postsynthetic May 1, 2024 · As a result of their versatile qualities, copper oxide nanoparticles are increasingly being used in a variety of applications such as semiconductors, biomedicines, field emission, gas sensors, and solar energy transformers. The electrochemical method can be considered for its simplicity, low cost, and possible commercialization. CuO and Cu2O nanoparticles have been created using a variety of processes, including electrodeposition, metallic sputtering, hydrothermal, thermal decomposition, reactive radio frequency magnetron sputtering method, wet Nano-scale materials have tremendous interest in their Copper Oxide Nanoparticles are prepared by using a Sol-gel unique thermal, electronic, electrical and optical properties. sebestena) flower aqueous extract. aureus appeared to be very sensitive to the size and concentration of CuO in the growth medium [1]. International Journal of Nanomedicine. May 1, 2024 · In recent years, there has been considerable interest in the environmentally friendly production of metal and metal oxide nanoparticles, with copper oxide being a specific focus, owing to its wide range of properties and potential applications. Then novel nanocomposite films were fabricated by loading various percentages of modified CuO nanoparticles in the poly (vinyl chloride) matrix. Figure 2. Jan 29, 2010 · Nanostructured CuO is promising in the development of nonenzymatic glucose sensor because of its highly specific surface area, good electrochemical activity, and the possibility of promoting electron transfer reactions at a lower overpotential [9], [10], [20]. The nanoparticles copper powder have been prepared using [Bis (salicylidiminato)copper (II)], [Cu (sal) 2], as precursor. This is a technique which allows the preparation of ultrafine metal oxide nanoparticles within the size ranging from 50 to 60 nm. Dec 27, 2024 · The absorption peaks observed in the copper oxide nanoparticles at 3392 cm −1 correspond to the stretching vibration of O–H in water, while strong absorption is detected at 1562 cm −1, 967 cm −1, and 698 cm −1 in the monoclinic phase of CuO. The results showed that the as synthesized CuO particles and plates are potential in the sensor application for NO2 gas detection. Introduction: Nanoparticles, both metallic and non-metallic, have a wide range of applications. J Appl Biotechnol Rep. These nanoparticles have shown promising potential in two key applications: photocatalytic degradation of industrial dye effluents and electrochemical sensing of ciprofloxacin. , 2014), metal adsorbent (Goswami et al. This review recapitulates the progress in copper oxide nanomaterial-based devices, while discussing decisive factors influencing gas sensing Due to the applications in advanced technologies, researchers have focused more on synthesis of CuO nanoparticles. CuO nanoparticles are of great interest due to its potential applications in a wide variety of areas including electronic and Feb 28, 2018 · Copper (II) oxide, CuO, also known as cupric oxide has drawn in much consideration lately due to its promising applications as CuO is an appealing p-type metal oxide semiconductor that has Jan 1, 2013 · CuO nanoparticles were synthesized by precipitation method using different precursors as copper nitrate (Cu (NO3)2) and copper chloride (CuCl2) with post-heating comparing between as-synthesized and after calcinations. Synthesis was carried out by direct chemical precipitation. 1 Application of CuO nanoparticles Metal oxide nanoparticles are using in field of sensing, optoelectronics, catalysis and solar cells due to their unique physical and chemical properties. In the past few years, many reports have been put forward in the synthesis of Jan 13, 2023 · Abstract Versatile nature of copper oxide nanoparticles (CuO NPs) has made them an imperative nanomaterial being employed in nanomedicine. Pakistan journal of pharmaceutical sciences, 31. 2 eV) p-type semiconductor which exhibits superior photocatalytic [6] and Jan 16, 2021 · Abstract Herein, ethanol (C 2 H 5 OH) sensing properties of nanocrystalline copper oxide (CuO) nanoplates were investigated. Semiconducting metal oxides such as CuO, In2O3, TiO2, NiO, and ZnO, as well as their composites with carbon-based materials such as carbon nanotubes, graphene oxide, graphene, and Due to the applications in advanced technologies, researchers have focused more on synthesis of CuO nanoparticles. It is the simplest member in the family of copper compounds and a narrow band gap (1. Jun 13, 2020 · Antibacterial activity of copper oxide nanoparticles was reported by a lot of groups [1, 3, 6] and it was confirmed that E. AI generated definition based on: Solar Hydrogen Production, 2019 Copper oxide nanoparticles are defined as nanoscale particles composed of copper oxide (CuO), exhibiting unique physical, chemical, optical, and magnetic properties compared to bulk copper oxide, and are utilized in applications such as catalysis, superconductivity, and biomedicine, despite their associated toxicity to mammalian cells. process, which is the simple and low-cost method. These materials, when scaled down to the nanoscale, exhibit enhanced electrical conductivity, surpassing their bulk counterparts. In this study, copper (II) oxide nanoparticles were synthesized by the coprecipitation method from two precursors: copper sulfate and copper chloride. Copper and their oxides based nanoparticles were successfully utilized as antimicrobial agent (Abboud et al. However, conventional production methods of CuO nanoparticles have some limitations, such as the use of hazardous materials, high energy consumption, and high production costs. Sep 1, 2022 · CuO nanoparticles can develop and undergo a variety of reactions taking into account the wide range of oxidation states where copper is involved as Cu (0), Cu (I), Cu (II) and Cu (III), which can react by one- and two-electron pathways. 1 Application of plant extracts to synthesize copper and its oxide nanoparticles is a green chemistry methodology which establishes Mar 1, 2015 · To date, various CuO nanostructures have been synthesized including nanoflower [19], nanowire [22], nanorod [23], etc. This review aims to provide a comprehensive analysis of the current state of research on copper oxide nanoparticles, focusing on synthesis methods, characterization techniques, and their diverse applications. This study investigated two synthesis methods for structured CuO: microwave-assisted hydrolysis and ultrasound using copper acetate and KOH, and Mar 1, 2014 · Cupric oxide (CuO) nanostructures are of particular interest because of their interesting properties and promising applications in batteries, supercapacitors, solar cells, gas sensors, bio sensors, nanofluid, catalysis, photodetectors, energetic materials, field emissions, superhydrophobic surfaces, and removal of arsenic and organic pollutants Sep 17, 2024 · In this work, Sn-doped CuO thin films were prepared using a sol–gel spin coating technique. Jul 27, 2022 · In the present study, a method for the synthesis of gelatin-stabilized copper oxide nanoparticles was developed. Therefore the nucleation of metal particles proceeds The synthesis of copper (II) oxide (CuO) nanoparticle was carried out with the concurrent addition of sodium hydroxide and increasing the stirring time, to prevent excessive grain growth and Abstract Copper sulfate was used as a precursor to prepare CuO nanoparticles in reverse micelles (o/w microemulsion). Jan 15, 2019 · An alternative approach for the synthesis of copper oxide nanoparticles is the electrochemical method. This paper describes a cost-effective chemical precipitation and calcination approach for producing high-quality CuO nanoparticles. Understanding the working mechanism of CuO materials sense to H 2 S gas is conducive to clear functionalized CuO composites in H 2 S detection. The powder X-ray diffraction confirmed the CuO phase of the synthesized nanoparticles having monoclinic unit cell structure. Jan 1, 2022 · Copper oxide (CuO) nanoparticles synthesized by green Synthesis method using Curcuma plant extract and Cu nitrate. The synthesis approach significantly impacts the properties of such nanoparticles and these properties in turn have a significant impact on their biomedical applications. The Feb 21, 2016 · Primarily, the surface of copper (II) oxide (CuO) nanoparticles was modified with biosafe molecules such as citric acid and ascorbic acid for better dispersion in the polymer matrix. is belong to family Fabaceae which reported to have phytochemical activity. The physicochemical and biological properties of CuO NPs are primarily affected by their method of fabrication; therefore, selectivity of a synthetic Sep 1, 2023 · Cupric oxide (CuO) is derived from two elements in the periodic table, copper and oxygen, which are blocks of d and p elements, respectively. The preparation of nano copper (II) oxide studied was investigated in the inverse microemulsion Jan 1, 2020 · Copper oxides are indicated for applications in increasingly wider areas as gas sensing, catalysts, solar cells, electrochromic devices, and antimicrobial materials. Nov 8, 2017 · Copper oxide nanoparticles are used in wide range of applications such as catalysis, gas sensors, magnetic storage media, batteries, solar energy transformer, semi conductors and field emission. Green synthesis of CuO nanoparticles and other functional Mar 1, 2014 · Among all metallic oxide nanoparticles, copper oxide has acquired giant interest due to its amazing performance in various applications, for instance, catalytic [1], antibacterial [2], sensing [3 1. The characters and features of the CuO particles were understood by using analytical techniques like XRD, UV [11] Padil VV, Černík M. 03 M of copper chloride dihydrate and 0. coli and S. Cupric oxide (CuO) nanostructures are of particular interest because of their interesting properties and promising applications in batteries Jan 9, 2024 · The selection of silver (Ag) in copper oxide/silver (CuO/Ag) nanocomposites for antimicrobial applications remains an area that has received limited attention in the academic literature. Abstract Abstract Versatile nature of copper oxide nanoparticles (CuO NPs) has made them an imperative nanomaterial being employed in nanomedicine. Furthermore, CuO modified n -type oxide semiconductors, such as CuO/SnO 2 and CuO/WO 3, also show remarkable H 2 S sensing properties, especially in low temperature monitoring [11, 12]. The copper chloride and sodium hydroxide are used as precursor. ) Figure 2. The physicochemical and biological properties of CuO NPs are primarily affected by their method of fabrication; therefore, selectivity of a synthetic Sep 21, 2023 · This work presents a one-step controlled method for the synthesis of copper oxide nanoparticles using an arc discharge in deionized water without subsequent thermal annealing. Copper oxide nanoparticles (CuO-NPs) were synthesized via chemical precipitation method using copper (II) chloride dihydrate and sodium hydroxide. Jun 1, 2023 · Over the years copper (II) oxide or cupric oxide (CuO) and copper (I) oxide or cuprous oxide (Cu2O) nanoparticles have generated a great deal of interest in scientific studies. Various physical, chemical, and biological methodologies are in use for the preparation of CuO NPs. Physico-chemical characterization of the synthesized CuO-NPs was done by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), Ultraviolet–visible spectroscopy (UV–Vis), and scanning electron microscopy (SEM Davarpanah SJ, Karimian R, Goodarzi V, Piri F (2015) Synthesis of Copper (II) Oxide (CuO) nanoparticles and its application as gas sensor. Due to their excellent optical, catalytic, mechanical, and electrical properties, CuO nanoparticles (NPs), Cu, and Cu2 O have attracted significant interest [1], [2], [3]. Relevant properties of as-synthesized nanoparticles were investigated by X-ray diffraction (XRD), scanning electron microscope (SEM) and Fourier Transform Infrared (FTIR Aug 1, 2019 · CuO is a p-type transition metal oxide which exhibits a narrow bandgap varying between 1. Cu nanoparticles are initially formed and subsequently oxidized to form Cu 2 O. Dec 17, 2014 · It is surface conductivity that makes CuO an ideal material for semiconductor resistive gas sensor applications and in fact CuO nanomaterials were used for detection of many different compounds such as CO, hydrogen cyanide, and glucose. . (b) SEM and (c) TEM images of CuO NPs. In general, copper ions combine with the four oxygen ions in a crystal. This book chapter primarily focuses on the properties, synthesis, and characterization of copper nanoparticles while also discussing metal Jul 1, 2015 · Copper is significantly cost effective metal than silver and gold, therefore, it is economically attractive material for nanoparticles synthesis. Previous attempts are limited by complex fabrication processes and the fabricated sensors exhibit a poor linear detection range Apr 30, 2018 · Oxides of copper, therefore have been explored for their possible application in variety of directions including photovoltaics and gas-sensing. Aug 1, 2024 · Oxide-based nanoparticles have been studied extensively due to their unique optical and passivation properties, which are significantly distinct from those of bulk materials. Oct 4, 2008 · Three different nanostructures of CuO (wires, platelets, and spindles) have been synthesized by one precursor. 5: Cassia alata L. Their earth abundance, low cost, narrow bandgap, high absorption coefficient, and low toxicity of copper oxides are just a few key advantages. The study found that Arundinaria gigantea leaf extract Jan 28, 2006 · Direct Printing Synthesis of Self-Organized Copper Oxide Hollow Spheres on a Substrate Using Copper (II) Complex Ink: Gas Sensing and Photoelectrochemical Properties. The knowledge of the optical and structural properties of CuO nanostructures is very important for the production and designing of different CuO based Due to the applications in advanced technologies, researchers have focused more on synthesis of CuO nanoparticles. This study aims to provide an updated survey of the main synthesis methods of copper oxide (CuO) nanoparticles in order to obtain tailored nanosystems for various biomedical applications. Then nanoparticles were characterized by using X-ray Diffraction (XRD), Scanning Electron Microscope (SEM), Energy Dispersive X-ray (EDX), and Fourier Transform Infra Red (FTIR) spectroscopy. Aug 13, 2019 · CuO nanoparticles (NPs) are applied in various key technologies, such as catalysis, energy conversion, printable electronics and nanojoining. , 2011) and solar energy converter (Ogwu Dec 1, 2023 · The study on copper oxide (CuO) nanoparticles has been extensively conducted over the decades due to their wide applications and increase in market demand. 4: (a) UV-Vis spectra of CuO NPs of different amount of plant extract used. In the present work, copper oxide nanoparticles (CuO NPs) were synthesized by a greener route using Cordia sebestena (C. XRD analysis confirms the phase of Jan 13, 2023 · Abstract Versatile nature of copper oxide nanoparticles (CuO NPs) has made them an imperative nanomaterial being employed in nanomedicine. The characteristics of these green synthesized CuO NPs, including their structural, optical, morphological, and electrochemical properties, were examined using various characterization techniques. Jun 1, 2021 · A simple wet precipitate technique is used to synthesis CuO nanoparticles. With remarkable structural, electrical Dec 28, 2018 · In the present work, copper oxide nanoparticles (CuO-NPs) were fabricated using two approaches, namely microwave irradiation (CuO (M)-NPs) and the green synthesis approach (CuO (G)-NPs). Apr 19, 2021 · Abstract In this paper, we study the synthesis dependence of structural, optical and antimicrobial properties for copper oxide nanoparticles on, synthesized using microwave irradiation CuO(M), co-precipitation CuO(P) and hydrothermal CuO(H) protocols. Aug 1, 2021 · Fabrication of sensor and electric circuit for experiment (a) Photograph of the CuO-NPs based chemiresistive gas sensor, (b) The schematic structure of fabricated sensor, (c) The schematic diagram of electrical circuit of sensor device, (d) The measuring electric circuit for gas sensing performance. Mar 5, 2021 · Metal oxide semiconductors have found widespread applications in chemical sensors based on electrical transduction principles, in particular for the detection of a large variety of gaseous analytes, including environmental pollutants and hazardous gases. Copper-based nanomaterials ofer a fascinating array of properties that make them pivotal in various technological applications. Abstract Several successfully methods to prepare Copper (II)-oxide (Cu=O) nanostructures with different sizes and shapes and their applied in different man daily life applications were investigated in this study. Copper is Dec 1, 2018 · Metal/metal oxide nanoparticles have gained much attention in the field of organic catalysis and photocatalysis reactions for development of greener methodology. The preparation of nano copper (II) oxide studied was investigated in the inverse microemulsion system. Metal oxide nanoparticles, such as copper oxide (CuO), have attracted attention mostly because of their antimicrobial and biocide properties and they may be used in many biomedical applications [6, 7]. Jan 15, 2024 · Copper oxide (CuO) belongs to the p-type semiconductors family and have several applications in various fields like solar cell, supercapacitor, dielectrics, data storage, biomedical, optoelectronics, etc. This review explores the comprehensive synthesis techniques for CuO, encompassing both traditional and innovative approaches. And then the transformation from the 1D Cu(OH)2 nanostructures to a variety of novel CuO nanostructures has been realized by thermal dehydration of the as-prepared Cu(OH)2 in solution. The Mar 3, 2016 · The applications of copper (Cu) and Cu-based nanoparticles, which are based on the earth-abundant and inexpensive copper metal, have generated a great deal of interest in recent years, especially in the field of catalysis. 25 M of be utilised in biosensors and electrochemical Mar 15, 2023 · Copper Oxide (CuO) may be employed in a broad range of technological sectors due to its distinctive features, including gas sensors [3-4], active catalysts [5], high sel ectivity magnetic Sep 1, 2022 · Abstract Copper oxide (CuO) nanoparticles and nanocomposites have gained attention worldwide due to their unique characteristics and properties, followed by numerous applications in the field of environment and energy. Mar 1, 2025 · In recent years, ZnO and CuO nanoparticles (NPs) are the most often utilized metal oxide semiconductor NPs in a variety of applications. Copper(ll)-oxide nanoparticles (CuO-NPs) belongs to monoclinic structure system. The article focuses on the synthesis and characterization of Sn-doped CuO thin films for their application as gas sensors toward H 2 S gas sensing. The physicochemical and biological properties of CuO NPs are primarily affected by their method of fabrication; therefore, selectivity of a Feb 15, 2015 · Copper oxide nanomaterials (CuO NMs) [1] are widely used in catalysis [2], [3], sensors [4] and high critical temperature superconducting [5] applications due to its excellent physicochemical properties and cost effectiveness. Firstly, Copper oxide (CuO) has great catalytic activities which can take 0. Although not widely investigated as Copper II oxide (CuO) is a p-type semiconductor that can be utilized in various photocatalytic applications, particularly for CO2 reduction and water splitting, although it is less discussed in the context of cuprous oxide (Cu2O) which is noted for its photocorrosion issues. (Jayalakshmi Synthesis, characterization and evaluation of antibacterial activity of copper oxide nanoparticles against clinical strains of Staphylococcus aureus. Sep 1, 2024 · Copper oxides (CuO and Cu 2 O) are semiconductors with distinctive optical, electrical, and magnetic properties. Though these features primarily rely on the synthetic approaches involved, with advancements in this area, it has been documented that the synthesis parameters and surface modifiers have a direct impact on the morphology and eventually on the Oct 1, 2024 · Abstract Cupric oxide (CuO) has emerged as a versatile and compelling material in different fields of science and technology due to its unique synthesis methods, remarkable properties, and wide range of applications. The objective of our study is to fill this research void by investigating this particular subject matter. First, Cu(OH)2 nanowires have been prepared by a two-step, template-free, wet chemical approach. , 2014), gas sensor (Liu et al. Aug 29, 2023 · The current research aims to employ an eco-friendly, less toxic, inexpensive method for the synthesis of copper oxide (CuO) nanoparticles with antibacterial and antioxidant potential using leaf extract of Coleus amboinicus which behaves as a reducing and capping agent. The size, functional group, shape, stability and purity of the as-synthesized CuO nanoparticles were analysed by FT-IR, XRD Dec 1, 2023 · Copper oxide nanoparticles (CuO NPs) were produced through an environmentally friendly green synthesis. 1. Copper sulfate was used as a precursor to prepare CuO nanoparticles in reverse micelles (o/w microemulsion). A report on the synthesis of copper oxide nanoparticles through a wet process produced in the form of Cu2O in an acid medium and CuO in a basic medium from copper acetate [18, 19]. , 2012), catalyst (Zhang et al. Apr 30, 2018 · Oxides of copper, therefore have been explored for their possible application in variety of directions including photovoltaics and gas-sensing. 2013;8:889. , and there exist several papers reporting their application in non-enzymatic amperometric determination of H 2 O 2. Feb 13, 2019 · Synthesis of copper oxide nanoparticles with tunable size and desirable properties is a foremost thrust area of the biomedical research domain. The resistive chemi-sensor devices based on CuO nanoplates were fabricated for the enhanced and selective sensing of ethanol gas. Structural and morphological properties were studied using XRD, SEM, TEM and SAED techniques. Safer methods like the usage of microorganisms prove to be eco-friendly and extremely practical than the regular physical and chemical methods. Copper oxide (CuO) nanoparticles have considerable attention their unique properties and potential for advanced sustainable applications in electronics, energy storage, catalysis, environmental remediation, biomedical applications, and sensing. CuO particles were prepared by a thermal decomposition method, while CuO plates were obtained by a Mar 1, 2023 · In this work, a facile and cost-effective coprecipitation method was used to synthesize calcium-doped copper oxide (Ca@CuO) nanoparticles for electrochemical detection of antipsychotic drug perphenazine (PPZ) and symmetric supercapacitor (SSC) applications. 2(4):329–332 Diallo A, Manikandan E, Rajendran V, Maaza M (2016) Physical and enhanced photocatalytic properties of green synthesized SnO2 nanoparticles via Aspalathus linearise. It has wide different applications according to the physical and chemical properties, such as superconductivity, photovoltaic properties, relatively stable, low cost and the antimicrobial activity [7]. CuO is superior to Cu 2 O in optical switching applications because of its narrower bandgap. Mar 1, 2014 · Nanoscale metal oxide materials have been attracting much attention because of their unique size- and dimensionality-dependent physical and chemical properties as well as promising applications as key components in micro/nanoscale devices. Oct 1, 2015 · In the present study, a method for the synthesis of gelatin-stabilized copper oxide nanoparticles was developed. Dec 25, 2024 · Recent advancements in nanotechnology have improved the application of copper oxide (CuO) nanostructures, known for their diverse antibacterial, electrical, catalytic, optical, and pharmacological properties, which depend on nanoparticle morphology. They can be reduced to metallic copper when exposed to hydrogen or carbon monoxide under high temperature. Jan 1, 2024 · This research highlights the significant role of green synthesis in the production of copper oxide (CuO) nanoparticles by using natural extracts as reducing agents. Introduction- Metal oxide nanoparticles have shown their great interest in field of sensing ,optoelectronics ,catalysis and solar cells due to their unique physical and chemical properties differing from bulk. Abstract: This study aims to understand the major effects of Copper oxide nanoparticles on toxic and fish pathogens by using a green method. Here we developed an easy and environment friendly synthesis protocol for nanoparticles of both types of copper oxide and investigated in detail their structural, optical and electronic property. Metallic nanoparticles are multifunctional in nature and hence finds huge number of applications in various sectors for environmental, biomedical and antimicrobial, solar power generation and catalytic causes. Copper oxide nanoparticles appear as a brownish-black powder. This study drew our attention to altering the formation of specific oxide in an acidic medium by changing the composition of reagents or by adding other products, especially biomaterials such as starch, milk Oct 15, 2018 · We report the room-temperature synthesis of CuO/reduced graphene oxide (CuO/rGO) nanohybrids via a one-pot solution process, in which the reduction of GO and the formation of CuO were completed simultaneously at room temperature. Even though in contrast to other distinct semiconductor metal oxide NPs, the combination of these two NPs has garnered noteworthy attention for the development of ZnO/CuO nanocomposite (NCs) owing to its extensive application throughout numerous domains. Among all metal oxide nanoparticles, copper oxide has gained the most interest because of its wide applications, such as in catalysis, gas sensors, magnetic storage media, batteries, solar energy Feb 19, 2020 · The Copper-Oxide (CuO) nanoparticles were prepared by a colloid microwave-assisted hydrothermal method that enables precise control of nanoparticle size. May 20, 2019 · Related applications are innumerable trace to ultratrace-level gas sensors, batteries, magnetic storage media, various types of solar cells, metal oxide nanoparticles applications in catalysis, energy conversion, and antennas (including microstrip and patch-type optically transparent antennas), rectifiers, optoelectronic, and electronics. Results show that the hydrothermal process is mainly influenced by the reaction time and the concentration of the reducing agent, demonstrating the synthesis of fine and long nanowires (diameter of Feb 9, 2021 · X-ray diffraction studies revealed that these copper-based oxide nanoparticles display different crystal structures such as cubic (Cu2O), monoclinic (CuO) and orthorhombic [CuNa2 (OH)4]. In this paper, we report on the synthesis of CuO particles and plates and their sensitive properties for NO2 and alcohol. Mar 4, 2025 · In this article, we report the synthesis of copper oxide nanoparticles from bioleached copper through an optimized double precipitation method. The electrochemical method is usually a desirable approach owing to its ability to control particle formation and morphology [51]. The present study aimed to synthesize copper oxide nanoparticles through the co-precipitation method. Aug 1, 2021 · In the present work, the cost effective and facile hydrothermal synthesis technique was adopted to synthesize the copper (׀׀) oxide (CuO)-Nanoparticles (NPs). Jan 15, 2012 · Cupric oxide (CuO) has been studied as a p-type semiconductor material with narrow band gap because of the natural abundance of its starting material, low cost production processing, nontoxic nature, and its reasonably good electrical and optical properties. Green synthesis of copper oxide nanoparticles using gum karaya as a biotemplate and their antibacterial application. Aug 26, 2022 · In this study, we report a straightforward and reproducible hydrothermal synthesis of copper oxide nanowires, their morphological and chemical characterization, and their application in gas sensing. This gives a large-scale production of CuO nanoparticles simply. (Naika, et al. 8 eV [9] and used in different applications such as Li-ion batteries [10], supercapacitors [11], heterogeneous catalyst [12, 13], photodetectors [14], magnetoresistance material [15], solar cells [16] and sensors [17]. It is surface conductivity that makes CuO an ideal material for semiconductor resistive gas sensor applications and in fact CuO nanomaterials were used for detection of many different compounds such as CO, hydrogen cyanide, and glucose. cmr31s achfwsg knfbcep w5ju bexpu zpf vjw5 eniuk3 p5 6mqlqrp9f