Technology and Application of Transition Metal Oxide of W-V-O as Functional Layers and NiO Thin Films as Counter Electrode Material in Electrochromic “Smart Windows”

Bodurov, G.; Ivanova, T.; Gesheva, K.A.

doi:10.1016/j.phpro.2013.07.057

Cited by 19 publications

(6 citation statements)

References 9 publications

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“…Transition metal oxides (TMOs) have attracted great attention in fundamental research field recently, because of their diverse physical properties, materials science, renewable energy, and microelectronics and nanotechnology fields applications [1][2][3][4]. They were used as light-emitting diodes (LEDs) [5], smart windows [6], and electrode material for Liion batteries [7]. Such metal oxides include semiconducting or metallic oxides like ZnO, TiO 2 , NiO, Fe 2 O 3 , doped -Fe 2 O 3, and Cr 2 O 3 [8].…”

Section: Introductionmentioning

confidence: 99%

Effect of Precursor Concentration on Structural Optical and Electrical Properties of NiO Thin Films Prepared by Spray Pyrolysis

Barir

Benhaoua²,

Benhamida

et al. 2017

Journal of Nanomaterials

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Undoped nickel oxide (NiO) thin films were deposited on 500 ∘ C heated glass substrates using spray pyrolysis method at (0.015-0.1 M) range of precursor. The latter was obtained by decomposition of nickel nitrate hexahydrate in double distilled water. Effect of precursor concentration on structural, optical, and electrical properties of NiO thin films was investigated. X-ray diffraction (XRD) shows the formation of NiO under cubic structure with single diffraction peak along (111) plane at 2 = 37.24 ∘ . When precursor concentration reaches 0.1 M, an increment in NiO crystallite size over 37.04 nm was obtained indicating the product nano structure. SEM images reveal that beyond 0.04 M as precursor concentration the substrate becomes completely covered with NiO and thin films exhibit formation of nano agglomerations at the top of the sample surface. Ni-O bonds vibrations modes in the product of films were confirmed by FT-IR analysis. Transparency of the films ranged from 57 to 88% and band gap energy of the films decreases from 3.68 to 3.60 eV with increasing precursor concentration. Electrical properties of the elaborated NiO thin films were correlated to the precursor concentration.

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Section: Introductionmentioning

confidence: 99%

Effect of Precursor Concentration on Structural Optical and Electrical Properties of NiO Thin Films Prepared by Spray Pyrolysis

Barir

Benhaoua²,

Benhamida

et al. 2017

Journal of Nanomaterials

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“…Exploiting clean and safe sources of energy became a major technological challenge in the 21'st century 1‐3 . Elaborating new materials with high efficiency, low cost, and improved durability will impact on making promising energy technologies 4‐10 . For that reason, new materials such as transition metal‐oxide (TMO) compounds have received much attention from the scientific community.…”

Section: Introductionmentioning

confidence: 99%

An extensive investigation of structural, electronic, optical, magnetic, and thermoelectric properties of NaMnAsO ₄ cluster by first‐principles calculations

Baaalla

Absike

Ammari

et al. 2022

Intl J of Energy Research

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The electronic, optical, magnetic, and thermoelectrical properties of both, the monoclinic (α-form) and the orthorhombic (β-form) phases of sodium manganese (II) arsenate NaMnAsO 4 cluster are investigated comprehensively by the first-principle calculations based on the Density Functional Theory. The fullpotential linearized augmented plane waves method within the generalized gradient approximation (GGA) and GGA + U approaches have been performed by the Wien2k software. Thermodynamic stability is confirmed by means of formation energy (ΔH f ). The spin-polarization is included in the calculations to study the electronic and magnetic properties. The indirect bandgaps are observed for the monoclinic phase, then the direct bandgaps are reported at Γ-symmetry point for the orthorhombic phase. The density of state, besides the band structure calculation, revealed that the studied material can be identified as a ferromagnetic semiconductor at low temperature with an optical bandgap energy of 1.35 and 0.83 eV for monoclinic and orthorhombic phases with GGA approach, as well as 1.27 and 1.59 eV with GGA + U approach, respectively. The refractive index range is 1.5 to 2.4 along with a wide absorption band in the UV region, which makes this material outstanding for optoelectronic devices. The thermoelectric properties for both structures have also been investigated using the BoltzTraP package. The obtained electrical conductivity, as well as the figure of merit, are found to be important for thermoelectrical devices. This suggests that NaMnAsO 4 could pave the way to further experimental research on optoelectronicthermoelectric applications.

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“…The TMO mixing produces sophisticated compounds with a wide range of characteristics. [3][4][5][6][7] Transition metal oxides are particularly interested in copper oxide nanoparticles because of their usefulness as Nano fluids [8], antibacterial applications [10], catalysis [11], superconductors [12], energy storage systems [13], and anti-cancer agents [14]. To date, mechanical, physical, biological, and hybrid approaches have been used to make copper oxide nanoparticles [15].…”

Section: Introductionmentioning

confidence: 99%

Preparation of CuO/ZnO Nano-Particles Using Sol-Gel Technique and Studying the Characterization

Yassen¹,

Othman²,

Hamead³

2022

ETJ

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The sol-gel technique was used to make Nano composite particles NCPs of ZnO-CuO.  FESEM scans revealed nanoparticles incorporated in the ZnO-CuO matrix with particle sizes ranging from 60.76 to 145.1 nm.  The density of the aforesaid samples was 0.1382, 0.1418, and 0.1469 g/cm3 in that order, increasing as the calcined duration increased.  This promotes crystal formation, andCuO/MgO has strong catalytic activity for advanced applications.Copper oxide (CuO) and zinc oxide (ZnO) are two of the most promising oxides under development right now. The sol-gel technique was used to make Nano composite particles NCPs of ZnO-CuO. The copper (II) nitrate rehydrate 0.1M and zinc nitrate hex hydrate 0.1M liquids were mixed in a 1:1 ratio, and the gel was formed at 80 °C, then dried and calcined for various times 500 °C (3, 5, and 7 hours). Particle size analyzer (PZA), X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), and apparent density were used to characterize the CuO/MgO particles. The x-ray diffraction results showed that the phases of the composite particles were pure. FESEM scans, on the other hand, revealed nanoparticles incorporated in the ZnO-CuO matrix with particle sizes ranging from 60.76 to 145.1 nm. The density of the aforesaid samples was 0.1382, 0.1418, and 0.1469 g/cm 3 in that order, increasing as the calcined duration increased. This promotes crystal formation, and CuO/MgO has strong catalytic activity for advanced applications.

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Technology and Application of Transition Metal Oxide of W-V-O as Functional Layers and NiO Thin Films as Counter Electrode Material in Electrochromic “Smart Windows”

Cited by 19 publications

References 9 publications

Effect of Precursor Concentration on Structural Optical and Electrical Properties of NiO Thin Films Prepared by Spray Pyrolysis

Effect of Precursor Concentration on Structural Optical and Electrical Properties of NiO Thin Films Prepared by Spray Pyrolysis

An extensive investigation of structural, electronic, optical, magnetic, and thermoelectric properties of NaMnAsO ₄ cluster by first‐principles calculations

Preparation of CuO/ZnO Nano-Particles Using Sol-Gel Technique and Studying the Characterization

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Technology and Application of Transition Metal Oxide of W-V-O as Functional Layers and NiO Thin Films as Counter Electrode Material in Electrochromic “Smart Windows”

Cited by 19 publications

References 9 publications

Effect of Precursor Concentration on Structural Optical and Electrical Properties of NiO Thin Films Prepared by Spray Pyrolysis

Effect of Precursor Concentration on Structural Optical and Electrical Properties of NiO Thin Films Prepared by Spray Pyrolysis

An extensive investigation of structural, electronic, optical, magnetic, and thermoelectric properties of NaMnAsO 4 cluster by first‐principles calculations

Preparation of CuO/ZnO Nano-Particles Using Sol-Gel Technique and Studying the Characterization

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An extensive investigation of structural, electronic, optical, magnetic, and thermoelectric properties of NaMnAsO ₄ cluster by first‐principles calculations