Synthesis, characterization and catalytic activity of CdO nanocrystals

Singh, Gurdip; Kapoor, Inder Pal Singh; Dubey, Reena; Srivastava, Pratibha

doi:10.1016/j.mseb.2010.10.009

Cited by 32 publications

(12 citation statements)

References 36 publications

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“…Cadmium oxide was a purity of 99.99% (11,12), and Nickel oxide with purity of 99.99% (13,14), were mixed together at different concentration of x= ( 0.01, 0.03, 0.05) Wt% using rotary pump agate pump for 1 hour then the mixture was pressed into pellets of (2.5 cm) in diameter and (0.2 cm) thick, using hydraulic manually type (SPECAC), under pressure of 6.5 tonsThe CdO:NiO films were deposited on glass slides substrates of (10×10 mm). The substrate were cleaned with dilated water using ultrasonic bath for 15 minute in order to deposit the films at room temperature.…”

Section: Methodsmentioning

confidence: 99%

Effect of NIO dopant on structural, optical and electrical properties of CDO thin film by PLD

khafory¹,

Aadim²,

Ali³

2016

IOSR

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Nickel oxide doped CDO thin films have been deposited at room temperature and in 723K with different concentrations of NIO of x=(0.01, 0.03 and 0.05)Wt% onto glass substrates by using pulsed laser deposition technique Nd-YAG laser with λ =1064nm , energy =500 mJ and number of shots = 500. the X-ray diffraction (XRD) results reveals that the characteriste deposited(CDO)(NIO) thin films polycrystalline was cubic structure and many peaks (111), (200), and (220)The results it was calculated show that the UV emission is at a constant peak position in the spectra.

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Section: Methodsmentioning

confidence: 99%

Effect of NIO dopant on structural, optical and electrical properties of CDO thin film by PLD

khafory¹,

Aadim²,

Ali³

2016

IOSR

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“…Materials in nanoscale have fascinated the scientific community in recent years due to their unusual physical and chemical properties significantly different from those of their bulk counterparts [1,2]. Up to now, various nanomaterials, such as the metal (Cu, Zn, Cd, Ni, etc.)…”

Section: Introductionmentioning

confidence: 99%

“…1 The SEM images of the ring-like Cd(OH) 2 superstructures [29] Huang et al [36] reported the direct growth of Cd(OH) 2 nanowires on nickel foam via a simple hydrothermal process. First, a growth solution was prepared by dissolving Cd(NO 3 ) 2 ·4H 2 O and NH 4 NO 3 into the ammonia aqueous solution.…”

Section: Introductionmentioning

confidence: 99%

Overview on the synthesis and applications of cadmium hydroxide nanomaterials

Liu

et al. 2015

J IRAN CHEM SOC

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common methods, such as hydrothermal method, solvothermal method, wet chemical method. Besides, the metalorganic coordination polymers (MOCPs) have been thought as effective templates to obtain the desired nanomaterials in the recent studies. By choosing appropriate MOCP precursors with special morphologies and under suitable experimental conditions, we can obtain the desired morphologies and even the nano-compounds that can be obtained by other methods [3,4]. Among the various divalent metal hydroxides, cadmium hydroxide [Cd(OH) 2 ] is a wide band gap semiconductor with a wide range of possible applications, including solar cells, phototransistors and diodes, transparent electrodes, and sensors, and consequently [5][6][7]. Furthermore, Cd(OH) 2 is an important precursor to prepare cadmium oxide (CdO) [8-11] by high-temperature calcination or for other functional materials such as cadmium sulfide (CdS) [12,13] and cadmium selenide (CdSe) [14-17] by reaction with appropriate compounds, which can be used as electrode additives to increase the discharge capacity of Cd-Ni batteries or pseudocapacitor and reduce self-discharge [18][19][20][21][22]. Numerous techniques have been proposed to synthesize various Cd(OH) 2 nanostructures with promising control of properties. And their potential applications and future prospects have also been discussed. Synthesis of Cd(OH) 2 nanomaterials Hydrothermal synthesisAs a common and an effective method to synthesize functional nanomaterials, hydrothermal synthesis method has the advantage of high yield, less pollution, and being easy to operate. And products with good crystallization and various morphologies can be prepared via hydrothermal Abstract Recently, Cd(OH) 2 nanomaterials have attracted attention because of their distinct properties. Cd(OH) 2 nanostructures with different morphologies have been successfully synthesized and used in various fields. In this paper, the preparation of Cd(OH) 2 nanomaterials is reviewed including hydrothermal, solvothermal, wet chemical, refluxing, microwave-assisted methods, and their applications are briefly introduced in hydrophobic and hydrophilic materials, adsorption of negative organic molecules, sensors, and electrode materials. The development trend and prospects of the preparation of nano Cd(OH) 2 are proposed.

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“…Cadmium oxide, CdO, is a known n-type semiconductor with the direct band gap energy of 2.5 eV [9]. CdO is applied in solar cells [10], gas sensors [11], transparent electrodes [12], catalysts, photocatalysts [13,14], and photodiodes [15]. Numerous structures of cadmium oxide-like nanoparticles [16], nanowires [17], nanoneedles [18], and nanocrystals [19] have been reported in nanoscale.…”

Section: Introductionmentioning

confidence: 99%

Adsorption kinetics, thermodynamic studies, and high performance of CdO cauliflower-like nanostructure on the removal of Congo red from aqueous solution

2013

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In this work, CdO cauliflower-like nanostructure synthesized by mechanochemical method was employed to evaluate the adsorption ability of Congo red (CR) from the aqueous solution for the first time. UV-visible absorption spectroscopy was used to record the adsorption behavior. This special structure composed of nanorods and tubes with the high contact sites and surface area of 104 m 2 g −1 can be operated as a capable adsorbent to absorb the dye molecules via adsorption process. The adsorption capacity of this material (0.01 g) was studied in high concentrations of CR (50 to 300 mg L −1 ) and represented an excellent efficiency to eliminate this toxic dye. Maximum adsorption capacity (q max ) calculated using Langmuir isotherm model, at room temperature and neutral pH, was found to be 588.24 mg g −1 . Electrostatic interactions were conceived as the main adsorption mechanism, and the calculated dimensionless separation factor (R L ), 0.023, indicated a favorable adsorption process. The kinetic and thermodynamic parameters for this proceeding were evaluated and confirmed the high performance of the synthesized adsorbent.

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Synthesis, characterization and catalytic activity of CdO nanocrystals

Cited by 32 publications

References 36 publications

Effect of NIO dopant on structural, optical and electrical properties of CDO thin film by PLD

Effect of NIO dopant on structural, optical and electrical properties of CDO thin film by PLD

Overview on the synthesis and applications of cadmium hydroxide nanomaterials

Adsorption kinetics, thermodynamic studies, and high performance of CdO cauliflower-like nanostructure on the removal of Congo red from aqueous solution

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