Titanium–tin oxide protective films on a black cobalt photothermal absorber

Barrera, Enrique; Viveros, T.; Montoya, J.A.; Ruiz, Mireya Matos

doi:10.1016/s0927-0248(98)00163-9

Cited by 26 publications

(13 citation statements)

References 12 publications

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“…solar thermal power, or for domestic applications [1][2][3][4]. One type of solar thermal collector is the flat-plate solar thermal collector usually used for water or air heating at low temperatures (< 150 °C) [5][6][7]. The key component of a flat plate solar thermal collector is the solar absorber surface, the properties of which strongly affect the efficiency of the solar thermal conversion system.…”

Section: Introductionmentioning

confidence: 99%

Developments in the synthesis of flat plate solar selective absorber materials via sol–gel methods: A review

Amri

Jiang

Pryor

et al. 2014

Renewable and Sustainable Energy Reviews

139

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Section: Introductionmentioning

confidence: 99%

Developments in the synthesis of flat plate solar selective absorber materials via sol–gel methods: A review

Amri

Jiang

Pryor

et al. 2014

Renewable and Sustainable Energy Reviews

139

View full text Add to dashboard Cite

“…The computation of the solar absorptance (α) was obtained through the equation; α = 1 − (1/n) n j=1 ρ j , where ρ j refers to the reflectance of the Cermets [2]. The absorptance was considered in a region from 200 to 2500 nm in the Cermets deposited on Ti substrates.…”

Section: Resultsmentioning

confidence: 99%

“…The research and development of solar collectors or solar energy materials (materials capable of converting solar radiation into thermal energy) has recently increased due to the high demand, which has been directed toward the profitable use of solar energy [1][2][3]. A category of materials used for this purpose is one that is given by a coating type composed of metal-dielectric material.…”

Section: Introductionmentioning

confidence: 99%

Spray-pyrolyzed Al2O3-Ag Nano-Cermets coatings for solar absorbers

et al. 2018

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In this work, it is shown the feasibility for obtaining silver nanoparticles by ultrasonic spray pyrolysis and their simultaneous incorporation during deposition of thin layers of aluminum oxide to get a Cermet coating of Al2O3-Ag. The synthesis of these Cermets was achieved on the basis of both the simultaneous pyrolysis of silver nitrate and aluminum acetylacetonate on different substrates: Quartz, glass, crystalline silicon (c-Si), and titanium at temperatures of 500, 550 and 600• C. The structural properties of the Cermets were studied by ScanningElectron Microscopy, Atomic Force Microscopy and X-ray diffraction. For the optical properties, UV-vis spectroscopy was used to obtain the optical Absorbance of the Cermets, while the Reflectance was obtained by UV-vis-IR spectroscopy measurements. UV-Vis spectroscopy showed that the intensity of the absorption peak (plasmon) was limited to the concentration of silver nitrate, and it shifted toward shorter wavelengths with the decrease in the size of the Ag nanoparticles inside the Cermets. The plasmon position of Ag nanoparticles in the different samples was found to be centered at 504 nm, 506 nm, 497 nm and 475 nm for samples deposited with 0.1 mol, 0.05 mol, 0.02 mol, and 0.01 mol of Ag(NO 3 ), respectively. The shape of the Ag nanoparticles was approximately spherical, ranging from 4 nm to 35 nm, and their concentration was proportional to the concentration of Ag(NO3) included in the spray solution. By means of the UV-Vis Spectroscopy-IR and FT-IR, in the best of cases, a solar absorptance of 0.83 and an infrared thermal emittance of 0.14, for a sample of Al2O3-Ag prepared with 0.1 mol of Ag(NO 3 ) in the precursor solution, were obtained.

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“…Cobalt metal and its oxides have been heavily studied for applications such as supercapacitors [6 -8], anode materials in Li-ion rechargeable batteries [9], solid-state sensor [10], heterogeneous catalysts [11], solar energy absorbers [12], and electrochromic devices [13]. In strategies for enhancement of performance in applied catalysis or in energy conversion based on cobalt oxides, the utilization of carbon-based materials such as activated carbon, carbon nanotubes (CNTs) and graphene nanosheet (GNS) can be a meaningful and useful method [9, 14 -16].…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Electrochemical Properties of Mesoporous Carbon Supported Well–dispersed Cobalt Oxides Nanoparticles

Tú¹

2018

JST

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In this article, well-dispersed cobalt oxide nanoparticles supported on mesoporous carbon (CMK-3) have been successfully synthesized. The composites were characterized by field emission scanning electron microscopy, transmission electron microscopy, X-ray diffraction and nitrogen adsorption-desorption analysis. The results have confirmed that, at a cobalt loading of 15 wt%, the composites have not only retained mesoporous structure of the support but also shown a good control of dispersed cobalt oxide nanoparticles with size of ~4 nm. The electrochemical property tests for the synthesized samples have shown significant improvement compared to the blank carbon (CMK-3) without cobalt oxide incorporation.

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Titanium–tin oxide protective films on a black cobalt photothermal absorber

Cited by 26 publications

References 12 publications

Developments in the synthesis of flat plate solar selective absorber materials via sol–gel methods: A review

Developments in the synthesis of flat plate solar selective absorber materials via sol–gel methods: A review

Spray-pyrolyzed Al2O3-Ag Nano-Cermets coatings for solar absorbers

Synthesis and Electrochemical Properties of Mesoporous Carbon Supported Well–dispersed Cobalt Oxides Nanoparticles

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