Synthesis and LPG sensing properties of nano-sized cadmium oxide

Waghulade, R. B.; Patil, Pradip; Pasricha, Renu

doi:10.1016/j.talanta.2006.11.024

Cited by 91 publications

(35 citation statements)

References 26 publications

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“…Nanostructured materials such as WO 3 , ZnO, SnO 2 , and V 2 O 5 have shown good sensing properties [1][2][3][4][5][6][7]. Among these nanostructure-semiconducting materials, ZnO has been studied extensively for gas sensing application.…”

Section: Introductionmentioning

confidence: 99%

Zinc Oxide Nanostructure Thick Films as H<sub>2</sub>S Gas Sensors at Room Temperature

Kalyamwar¹,

Raghuwanshi²,

Jadhao³

et al. 2013

JST

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The ZnO nanostructures have been synthesized and studied as the sensing element for the detection of H 2 S. The ZnO nanostructures were synthesized by hydrothermal method followed by sonication for different interval of time i.e. 30, 60, 90 and 120 min. By using screen printing method, thick films of synthesized ZnO nanostructure were deposited on glass substrate. Gas sensing properties of ZnO nanostructure thick films were studied for low concentration H 2 S gas at room temperature. The effects of morphology of synthesized ZnO nanostructure on gas sensing properties were studied and discussed. ZnO nanostructure synthesized by this method can be used as a promising material for semiconductor gas sensor to detect poisonous gas like H 2 S at room temperature with high sensitivity and selectivity.

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Section: Introductionmentioning

confidence: 99%

Zinc Oxide Nanostructure Thick Films as H<sub>2</sub>S Gas Sensors at Room Temperature

Kalyamwar¹,

Raghuwanshi²,

Jadhao³

et al. 2013

JST

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“…Furthermore, CdO nanoparticles have interesting properties such as low electrical resistivity in the range of * 10 -2 -10 -4 X cm and high transmission in the visible region (Waghulade et al 2007; Lewis and Paine 2000;Yan et al 2001;Carballeda-Galicia et al 2000). CdO and TM-doped CdO are valuable for a wide range of optoelectronic applications such as transparent conducting oxide, photo transistors, photo diodes, solar cells, transparent electrodes, and gas sensors (Aydn et al 2012;Zhao et al 2002;Daza et al 2001).…”

Section: Introductionmentioning

confidence: 99%

Drastic improvement in magnetization of CdO nanoparticles by Fe doping

2017

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Hydrothermal route was used in the preparation of Fe-doped CdO nanoparticles with 3, 5, 7 and 10 wt% and their structural and magnetic properties were investigated. Structural characterization using powder X-ray diffraction confirmed the single phase cubic symmetry of these nanoparticles. Particle size decreased monotonically with increasing the dopant ion concentration. The microstructure of the synthesized samples was studied by a high-resolution transmission electron microscopy (HRTEM) which confirmed the nanocrystalline nature of the samples. A vibrating sample magnetometer provided the hysteresis curves of all samples. Pure CdO reveals ferromagnetic behavior while antiferromagnetization is observed for all Fe-doped samples. Large coercivity as well as large area for the sample x = 0.05 is achieved.

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“…17 There are several methods for preparation of ZnO nanoparticles such as microemulsion, 18,19 thermal decomposition, precipitation, 20 sol-gel, 21,22 and chemical coprecipitation. 23 In this study, the zinc oxide nanoparticles were synthesized by the coprecipitation method, 24 and surface modification of poly[dimethylacrylamide-co-allyl acetoacetate] (poly[DMAAco-AA]) onto zinc oxide nanoparticles was done by 3-mercaptopropyltrimethoxysilane. The goal of this work is the feasibility and accessibility of polymer contains functional grafted zinc oxide nanoparticles (PCF-ZNP) as a solid-phase extractant for preconcentration and determination of Cd(II) ions from environmental water samples and human plasma.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Characterization of Poly[dimethylacrylamide‐co‐allyl acetoacetate] Grafted to Zinc Oxide Nanoparticles for Preconcentration and Determination of Cadmium Ions in Biological and Environmental Samples

2016

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ABSTRACT:In this paper, a method is designed for surface grafting of polymer containing a functional monomer for metal chelating, poly[dimethylacrylamide-co-allyl acetoacetate] (poly[DMAA-co-AA]) onto zinc oxide nanoparticles modified by 3-mercaptopropyltrimethoxysilane. The resulting nanosorbent was characterized using Fourier transform infrared spectroscopy, elemental analysis, thermogravimetric analysis, scanning electron microscopy, and transmission electron microscopy. The preconcentration and determination of trace amount of Cd(II) ions was evaluated in human biological fluid, environmental water samples, and milk. The optimum pH value for sorption of the metal ion was 6. The sorption capacity of grafted sorbent was 46.1 mg g −1 . A high recovery of Cd(II) ions was in the range of 95-103% with 1 M hydrochloric acid as eluting factor. The profile of cadmium uptake by the nanosorbent indicated high accessibility of active chelating sites in poly[DMAA-co-AA]-grafted modified zinc oxide nanoparticles. The equilibrium adsorption data of Cd(II) by synthesized sorbent were investigated by Langmuir, Freundlich, Temkin, and Redlich-Peterson models. C 2015 Wiley Periodicals, Inc. Adv Polym Technol 2018, 37, 21636; View this article online at wileyonlinelibrary.com.

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Synthesis and LPG sensing properties of nano-sized cadmium oxide

Cited by 91 publications

References 26 publications

Zinc Oxide Nanostructure Thick Films as H<sub>2</sub>S Gas Sensors at Room Temperature

Zinc Oxide Nanostructure Thick Films as H<sub>2</sub>S Gas Sensors at Room Temperature

Drastic improvement in magnetization of CdO nanoparticles by Fe doping

Synthesis and Characterization of Poly[dimethylacrylamide‐co‐allyl acetoacetate] Grafted to Zinc Oxide Nanoparticles for Preconcentration and Determination of Cadmium Ions in Biological and Environmental Samples

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Synthesis and LPG sensing properties of nano-sized cadmium oxide

Cited by 91 publications

References 26 publications

Zinc Oxide Nanostructure Thick Films as H&lt;sub&gt;2&lt;/sub&gt;S Gas Sensors at Room Temperature

Zinc Oxide Nanostructure Thick Films as H&lt;sub&gt;2&lt;/sub&gt;S Gas Sensors at Room Temperature

Drastic improvement in magnetization of CdO nanoparticles by Fe doping

Synthesis and Characterization of Poly[dimethylacrylamide‐co‐allyl acetoacetate] Grafted to Zinc Oxide Nanoparticles for Preconcentration and Determination of Cadmium Ions in Biological and Environmental Samples

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Zinc Oxide Nanostructure Thick Films as H<sub>2</sub>S Gas Sensors at Room Temperature

Zinc Oxide Nanostructure Thick Films as H<sub>2</sub>S Gas Sensors at Room Temperature