Effect of the substrate on the properties of ZnO–MgO thin films grown by atmospheric pressure metal-organic chemical vapor deposition

Torres‐Huerta, A.M.; Domínguez‐Crespo, M.A.; Brachetti-Sibaja, S.B.; Arenas-Alatorre, J.; Rodríguez-Pulido, A.

doi:10.1016/j.tsf.2011.03.030

Cited by 12 publications

(3 citation statements)

References 39 publications

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“…The growth of ZnO NWs with high quality by catalyst-free MOCVD was explored firstly by Park et al [64]. After that, the huge effort has been put into the field of Methodologies for Achieving 1D ZnO Nanostructures Potential for Solar Cells DOI: http://dx.doi.org /10.5772/intechopen.83618 the synthesis of the ZnO nanostructures, and great progress has subsequently been obtained [65][66][67][68][69]. Up to now, the contributions relevant to MOCVD growth of ZnO nanostructures, diethylzinc (DEZn), dimethylzinc (DMZn) as zinc precursor, nitrogen or argon as carrier gas, and low reactor-pressures have been mostly used.…”

Section: Metal-organic Chemical Vapor Deposition (Mocvd)mentioning

confidence: 99%

Methodologies for Achieving 1D ZnO Nanostructures Potential for Solar Cells

Kwok¹

2019

Renewable and Sustainable Composites

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One-dimensional (1D) nanostructures are generally used to describe large aspect ratio rods, wires, belts, and tubes. The 1D ZnO nanostructures have become the focus of research owing to its unique physical and technological significance in fabricating nanoscale devices. When the radial dimension of the 1D ZnO nanostructures decreases to some lengths (e.g., the light wavelength, the mean of the free path of the phonon, Bohr radius, etc.), the effect of the quantum mechanics is definitely crucial. With the large surface-to-volume ratio and the confinement of two dimensions, 1D ZnO nanostructures possess the captivating electronic, magnetic, and optical properties. Furthermore, 1D ZnO nanostructure's large aspect ratio, an ideal candidate for the energy transport material, can conduct the quantum particles (photons, phonons, electrons) to improve the relevant technique applications. To date, many methods have been developed to synthesize 1D ZnO nanostructures. Therefore, methodologies for achieving 1D ZnO nanostructures are expressed, and the relevant potential application for solar cells are also present to highlight the attractive property of 1D ZnO nanostructures.

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Section: Metal-organic Chemical Vapor Deposition (Mocvd)mentioning

confidence: 99%

Methodologies for Achieving 1D ZnO Nanostructures Potential for Solar Cells

Kwok¹

2019

Renewable and Sustainable Composites

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“…ZnO is an attractive material for the fabrication of short wavelength optical detectors such as ultraviolet lasers [3], ultraviolet light-emitting diodes [4], and ultraviolet photoconductive detectors [5] etc. ZnO can be deposited by varieties of different techniques such as, metal-organic chemical vapor deposition (MOCVD) [6], spray pyrolysis [7], sol-gel [8] and molecular beam epitaxy [9] etc. Among other methods, the sol-gel method is an attractive technique for ZnO thin films depositing therefore paying much attention from the researchers [10].…”

Section: Introductionmentioning

confidence: 99%

Structural, Morphological and Optical Properties of Sol-Gel Derived ZnO Thin Film for UV Sensing Application

Humayun

Hashim

2015

AMR

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In the current research we have studied the structural, morphological, optical and ultraviolet (UV) light sensing properties of ZnO thin film. The film was prepared by sol-gel technique and deposited on glass substrate by spin coating method. The structural analysis was performed by X-ray diffractometer (XRD) while the surface morphology and optical properties of the deposited thin film were monitored using field emission scanning electron microscope and UV-VIS spectrophotometer. The FESEM image displayed the homogenous coverage of ZnO nanoparticles over the surface of glass substrate. The deposited thin film shows an average transmittance value of more than 90%, in the visible light spectrum. The calculated value for optical band-gap was 3.26 eV. Refractive indices and dielectric constants were calculated by utilizing the bandgap value by considering different relations. Current to voltage characterization was conducted by using Kiethley sourcemeter connected with ultraviolet (UV) light illuminated LED’s. The excellent photo to dark current (Iph/Id) ratio (5.49) and rapid rise and decay time (15 s and 6 s) and the measured responsivity (1 A/W) suggest that the deposited ZnO thin film can be used for ultraviolet (UV) light sensing application.

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“…ZnO can be prepared by varieties of different techniques such as pulsed laser deposition (PLD) [9], RF sputtering [10], chemical vapor deposition (CVD) [11], sol-gel [12], metal organic chemical vapor deposition (MOCVD) [13], and molecular beam epitaxy (MBE) [14]. Among them, sol-gel is the mostly used technique for ZnO preparation; it is low cost, needs low temperature, and can be implemented for largescale preparation as compared to other techniques [15].…”

Section: Introductionmentioning

confidence: 99%

Structural, Optical, Electrical, and Photoresponse Properties of Postannealed Sn‐Doped ZnO Nanorods

Humayun

Kashif

Hashim

2013

Journal of Nanomaterials

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Tin (Sn) doped ZnO nanorods were synthesized on glass substrate using a sol-gel method. The synthesized nanorods were postannealed at 150, 350, and 500°C. The surface morphologies of Sn-doped ZnO nanorods at different postannealing temperatures were studied using scanning electron microscope (SEM). XRD results show that as the postannealing temperature increased from 150°C to 500°C, thec-axis orientation becomes stronger. Refractive indices and dielectric constants were calculated on the basis of different relationships by utilizing bandgap values. These bandgap values were obtained in terms of optical absorption by using a UV-Visible spectrophotometer. The enhancing effects of annealing temperatures on electrical properties were observed in terms of current-to-voltage measurements. Resistivity decreases as postannealing temperature increases from 150°C to 500°C. Annealed samples were evaluated for UV-sensing application. The samples exhibit a responsivity of 1.7 A/W.

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Effect of the substrate on the properties of ZnO–MgO thin films grown by atmospheric pressure metal-organic chemical vapor deposition

Cited by 12 publications

References 39 publications

Methodologies for Achieving 1D ZnO Nanostructures Potential for Solar Cells

Methodologies for Achieving 1D ZnO Nanostructures Potential for Solar Cells

Structural, Morphological and Optical Properties of Sol-Gel Derived ZnO Thin Film for UV Sensing Application

Structural, Optical, Electrical, and Photoresponse Properties of Postannealed Sn‐Doped ZnO Nanorods

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