Full-spectrum volumetric solar thermal conversion via graphene/silver hybrid plasmonic nanofluids

Mehrali, Mohammad; Ghatkesar, Murali Krishna; Pečnik, René

doi:10.1016/j.apenergy.2018.04.065

Cited by 166 publications

(59 citation statements)

References 44 publications

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“…One of the main areas where solar energy has been thoroughly exploitedis in water heating systems. In comparing solar thermal conversion and solar electrical direct conversion, it has been found that solar thermal conversion is more efficient by about 70% compared to 17% for solar electrical direct conversion systems [91,92]. The hot water is needed for residential, commercial and industrial usage.…”

Section: Pcms Solar Water Heating Systemmentioning

confidence: 99%

Phase Change Materials (PCM) for Solar Energy Usages and Storage: An Overview

et al. 2019

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Solar energy is a renewable energy source that can be utilized for different applications in today’s world. The effective use of solar energy requires a storage medium that can facilitate the storage of excess energy, and then supply this stored energy when it is needed. An effective method of storing thermal energy from solar is through the use of phase change materials (PCMs). PCMs are isothermal in nature, and thus offer higher density energy storage and the ability to operate in a variable range of temperature conditions. This article provides a comprehensive review of the application of PCMs for solar energy use and storage such as for solar power generation, water heating systems, solar cookers, and solar dryers. This paper will benefit the researcher in conducting further research on solar power generation, water heating system, solar cookers, and solar dryers using PCMs for commercial development.

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Section: Pcms Solar Water Heating Systemmentioning

confidence: 99%

Phase Change Materials (PCM) for Solar Energy Usages and Storage: An Overview

et al. 2019

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“…Nevertheless, the use of ethylene glycol alone in the heat transfer system is not a good choice because of its high viscosity, which is why most of the studies used its mixture with DI water. [19] Au one-step DI water 25-10 mg/L - [20] Au, CNT, Fe 3 O 4 two-step DI water 10-50 ppm - [21] Fe 3 O 4 two-step Water 1-5wt% - [22] Graphite two-step DI water/Paraffin -- [23] Au, MWCNT two-step DI water 0.0001-0.004vol% - [24] rGO, Ag-rGO two-step DI water 10-100 mg/L - [25] CuO two-step Paraffin 0.01-0.1wt% SSL [26] TiN, Au/TiN two-step EG 10-100 ppm - [27] CuO-MWCNT two-step DI water 0.01-0.25wt% - In the next section, the optical properties and photothermal energy conversion performance of various nanofluids are discussed and illustrated.…”

Section: Nanofluid Preparation For Solar Thermal Applicationsmentioning

confidence: 99%

“…In the comparative study of Amjad et al [45], Al 2 O 3 -γ, Si, Cu, Zn, Fe, and Ag nanofluids exhibited significant enhancements in the photothermal energy conversion performance, and the Ag nanofluid exhibited the best result amongst all the nanofluids, as shown in Figure 12. Zeng et al [24] examined the photothermal energy conversion performance of an MWCNT-SiO 2 /Ag binary nanofluid. As shown in Figure 13, the binary MWCNT-SiO 2 /Ag nanofluid has a significantly higher photothermal energy conversion performance than the unitary SiO 2 /Ag nanofluid.…”

Section: Photothermal Energy Conversion Performance Of Nanofluidsmentioning

confidence: 99%

Review of the Photothermal Energy Conversion Performance of Nanofluids, Their Applications, and Recent Advances

et al. 2020

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Nanoparticles have been thoroughly investigated in the last few decades because they have many beneficial and functional qualities. Their capability to enhance and manipulate light absorption, thermal conductivity, and heat transfer efficiency has attracted significant research attention. This systematic and comprehensive work is a critical review of research on the photothermal energy conversion performance of various nanofluids as well as the recent advances in several engineering applications. Different nanofluids used in the photothermal energy conversion process were compared to identify the suitable applications of each nanofluid in thermal systems. An analysis of the previous investigations based on experimental and numerical studies has established that nanomaterials have the potential to increase the efficiency of solar thermal systems.

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“…Experimental investigation of absorbance and transmittance in the spectral interval 200-2500 nm for different concentrations of Ag NPs, decorated graphene oxide nanosheets, has been carried out [88]. Experimental investigation of extinction coefficient of Al 2 O 3 -CuO binary NPs dispersed in ethylene glycol-water mixture has been carried out [62].…”

Section: Analysis Of Optical Properties Of Nanoparticle Systems and Nmentioning

confidence: 99%

“…Publications on optical properties of homogeneous metallic and core-shell systems NPs and NFs [46,56,62,[71][72][73][74][75][84][85][86][87][88][89][90][91] have been reviewed in this part. The optical properties of NFs in near-UV, VIS and IR radiation intervals are determined by the total action of optical properties of water (fluid) and NPs system.…”

Section: Optical Properties Of Selected Nanoparticle Systems and Nanomentioning

confidence: 99%

Modeling and analysis of optical properties of nanoparticles and nanofluids for effective absorption of solar radiation and their heating

Pustovalov

2019

SN Appl. Sci.

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This review presents a comprehensive analysis of the recent studies and advances related to optical properties of nanoparticles, their heating under solar irradiation and heat conversion, relevant equations and theoretical modeling approaches and application of nanofluids for direct absorption of solar radiation. A lot of papers including theoretical, numerical and experimental up-to-date works are reviewed and summarized carefully to give a panoramic overview of the role of the nanoparticles. Modern nanotechnology can produce various homogeneous and hybrid (core-shell) nanoparticles from different metals and materials which have unique optical and thermal properties. It was found that the application of nanoparticles selected on the basis of the presented analysis has shown remarkable properties and offers unique advantages over conventional fluids in optical absorption, thermo-physical and heating properties of nanofluids. This fact can play a crucial role in increasing the efficiency of solar energy harvesting.

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Full-spectrum volumetric solar thermal conversion via graphene/silver hybrid plasmonic nanofluids

Cited by 166 publications

References 44 publications

Phase Change Materials (PCM) for Solar Energy Usages and Storage: An Overview

Phase Change Materials (PCM) for Solar Energy Usages and Storage: An Overview

Review of the Photothermal Energy Conversion Performance of Nanofluids, Their Applications, and Recent Advances

Modeling and analysis of optical properties of nanoparticles and nanofluids for effective absorption of solar radiation and their heating

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