Spectrally selective coating of nanoparticles (Co 3 O 4 :Cr 2 O 3 ) incorporated in carbon to captivate solar energy

Heat Transfer ◽  
2020 ◽  
Vol 49 (3) ◽  
pp. 1386-1401
Author(s):  
Rasheed N. Abed ◽  
Mustafa Abdallh ◽  
Alaa Adnan Rashad ◽  
Haidar Ch. Al‐Mohammedawi ◽  
Emad Yousif
Keyword(s):  
Solar Energy ◽  
Selective Coating ◽  
Spectrally Selective

Sprayable PEDOT:PSS based spectrally selective coating for solar energy harvesting

2021 ◽  
Vol 221 ◽  
pp. 110906
Author(s):  
N. Selvakumar ◽  
G. Karthik ◽  
Swetha Jayaraj ◽  
Harish C. Barshilia
Keyword(s):  
Energy Harvesting ◽  
Solar Energy ◽  
Selective Coating ◽  
Spectrally Selective ◽  
Solar Energy Harvesting

scholarly journals Green synthesized of silver nanoparticles and study their properties and applications

2019 ◽  
Vol 13 (2) ◽  
pp. 5-9
Author(s):  
Hala M. Radifand ◽  
Rusol M. Al-Bahrani
Keyword(s):  
Silver Nanoparticles ◽  
Solar Energy ◽  
Everyday Life ◽  
Significant Influence ◽  
Human Hair ◽  
Industrial Revolution ◽  
Driving Forces ◽  
Selective Coating ◽  
Spectrally Selective ◽  
Nanoparticles Of Silver

   Nanotechnology involved tinkering to make important materials at atomic levels, manipulating and modifying substances 1, 00, 000 times smaller than a strand of human hair. It is expected that nanotechnology will revolutionize society as well as science. It involves one billionth of a meter of technology. The term (NANO) has been derived from the Greek word (Dwarf)[1].Nanotechnology is foreseen to significant influence science, economy and everyday life in twenty one century and it may become one of the driving forces to the next industrial revolution. Nanoparticles of Silver have many useful applications included spectrally selective coating for solar energy absorption and intercalation material for electrical batteries, as optical receptors

Sewage-free preparation of 2D metal oxides by a rapid freezing soft template method for extraordinarily activating solar-driven humidity VOC combustion

2021 ◽  
Author(s):  
Dachao Yuan ◽  
Luping Ma ◽  
Jianguo Zhao ◽  
Xianhua Bai ◽  
Jianchang Li ◽  
...  
Keyword(s):  
Metal Oxides ◽  
Combustion Efficiency ◽  
Soft Template ◽  
Template Method ◽  
Rapid Freezing ◽  
Selective Coating ◽  
Spectrally Selective ◽  
Voc Combustion

2D Co3O4 can be synthesized without producing sewage, which shows a nearly 100% ambient sunlight irradiated combustion efficiency for formaldehyde, CH4, acetone, CO, as it assisted by spectrally selective coating.

scholarly journals Electrochemical nano-coating processes in solar energy systems

2006 ◽  
Vol 2006 ◽  
pp. 1-5 ◽  
Author(s):  
F. Kadırgan
Keyword(s):  
Solar Cells ◽  
Solar Energy ◽  
Energy Systems ◽  
Thermal Conversion ◽  
Application Field ◽  
Preparation Conditions ◽  
Nickel Coatings ◽  
Spectrally Selective ◽  
Nano Coating ◽  
Solar Electricity

The efficiencies of electrochemically prepared nano-thick CdS and black nickel coatings were investigated as a function of their preparation conditions in the application field of energy; such as, solar-electricity conversion, solar cells, and solar-thermal conversion, spectrally selective solar collectors.

scholarly journals TRENDS IN THE DEVELOPMENT OF SOLAR POWER ENGINEERING: "DRY" ABSORPTION THERMOTRANSFORMERS FOR ENVIRONMENTAL ENGINEERING SYSTEMS

2017 ◽  
pp. 15-22
Author(s):  
Maiia Baimuratovna Kulbarakova ◽  
Nikita Sergeevich Piskunov ◽  
Yulia Victorovna Shipulina ◽  
Mikhail Fedorovich Rudenko
Keyword(s):  
Solar Energy ◽  
Renewable Energy Sources ◽  
Climatic Conditions ◽  
Engineering Systems ◽  
Climatic Zones ◽  
Maximum Daily Temperature ◽  
Temperature Changes ◽  
Selective Coating ◽  
New Type ◽  
To Receive

The article deals with solar energy thermotransformers for heat and cold production in the most favorable climatic zones of Russia. The authors give examples of solar energy cyclic thermotransformers operating in working pairs, which are widely used due to very good sorption qualities (alkaline earth salts CaCl2 and SrCl2 (sorbates) and ammonia (refrigerant)). There have been described three main trends in increasing thermotransformers efficiency: using pure sorbents with powder graphite admixture (with growing portion of admixtures heat conductivity ratio increases in SrCl2 to 1.3 times, in CaCl2 ≈ to 4 times); painting insolated surfaces of the thermotransformers with selective coating (working efficiency of such surfaces is 1.8-2 times higher compared to surfaces covered with matt black painting, operational and aesthetic properties of the surface); improving structures of both reactors in absorber-generators, and installations. In the climatic conditions of the Astrakhan Region there have been carried out check studies of a new type of autonomous thermotransformer in a working pair CaCl2 - NH3. There are shown graphs of temperature changes in the plant apparatuses in daily working time: maximum daily temperature of absorber-generator is 120°C, at night - 70°C; recorded minimum temperature was -15°C. The authors state that heat is possible to receive 24 hours a day. Application of such thermotransformers is patented for thermal water treatment plants used for hydrobionts cultivation. The article presents the diagram of operation of a thermotransformer powered from renewable energy sources (solar and wind energy)

Spectral Control of Thermal Radiation Using Metal-Dielectric Multilayers for High-Temperature Usage Over 1000°C

2016 ◽  
Author(s):  
Makoto Shimizu ◽  
Asaka Kohiyama ◽  
Fumitada Iguchi ◽  
Hiroo Yugami
Keyword(s):  
Thermal Radiation ◽  
High Efficiency ◽  
Radiation Spectrum ◽  
Layer Structure ◽  
Short Wavelength Range ◽  
Coating Technology ◽  
Selective Coating ◽  
Spectrally Selective ◽  
Spectral Control ◽  
Layer Coating

The spectrally selective coating technology which can be applicable for solar-thermophotovoltaic (solar-TPV) generation systems is described in this paper. In solar-TPV system, the spectrally selective absorber plays a key role to obtain high-efficiency. The technologies of controlling thermal radiation spectrum at temperature over 1000°C, however, have not been established yet. We focus on metal-dielectric multi-layer coating. This selective coating shows enormously high absorptance at short wavelength range and sharp cutoff property. Thermal stability test confirms that this multi-layer structure can be one of the candidates for the selective coatings for solar-TPV systems.

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