Synthesis and characterization of thermal conductivity of nanofluids based on Ag decorated-CNTs/graphene hybrid materials
In this work, we present a new nanofluid based on silver nanoparticles decorated on the functionalized carbon nanotubes-graphene sheet (hybrid) materials. Briefly, carbon nanotubes and graphene sheets were first functionalized with a hydroxyl group and carboxyl group respectively. The hybrid materia...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Ngoc Anh Nguyen [verfasserIn] Van Trinh Pham [verfasserIn] Hung Thang Bui [verfasserIn] Van Chuc Nguyen [verfasserIn] Tuan Hong Nguyen [verfasserIn] Ngoc Minh Phan [verfasserIn] Ngoc Hong Phan [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2017 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
In: Vietnam Journal of Science, Technology and Engineering - Vietnam Ministry of Science and Technology, 2023, 59(2017), 4 |
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| Übergeordnetes Werk: |
volume:59 ; year:2017 ; number:4 |
| Links: |
Link aufrufen |
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| DOI / URN: |
10.31276/VJSTE.59(4).75 |
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| 520 | |a In this work, we present a new nanofluid based on silver nanoparticles decorated on the functionalized carbon nanotubes-graphene sheet (hybrid) materials. Briefly, carbon nanotubes and graphene sheets were first functionalized with a hydroxyl group and carboxyl group respectively. The hybrid material was decorated with silver nanoparticles via chemical reduction method with the assistance of sodium hydroxyl. Finally, the obtained Aghybrid material was dispersed in ethylene glycol solution (EG) to form the nanofluid without any surfactant. The thermal conductivity of nanofluid was measured for different weight concentrations at different temperatures. The results showed an increase in thermal conductivity of up to 86% for 0.045% weight concentration at 55oC. This enhancement was due to the high thermal conductivity of graphene, carbon nanotubes (CNTs), and Ag nanoparticles as well as the higher surface area of Ag nanoparticles decorated on graphene and CNTs structures. The results of Transmission Electron Microscope (TEM), X-rays diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR) indicated that the silver nanoparticles were formed on the surface of carbon nanotubes and graphene sheets. | ||
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10.31276/VJSTE.59(4).75 doi (DE-627)DOAJ08124293X (DE-599)DOAJ4237fd9efa0b441fb27c6e4e3630a066 DE-627 ger DE-627 rakwb eng Ngoc Anh Nguyen verfasserin aut Synthesis and characterization of thermal conductivity of nanofluids based on Ag decorated-CNTs/graphene hybrid materials 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, we present a new nanofluid based on silver nanoparticles decorated on the functionalized carbon nanotubes-graphene sheet (hybrid) materials. Briefly, carbon nanotubes and graphene sheets were first functionalized with a hydroxyl group and carboxyl group respectively. The hybrid material was decorated with silver nanoparticles via chemical reduction method with the assistance of sodium hydroxyl. Finally, the obtained Aghybrid material was dispersed in ethylene glycol solution (EG) to form the nanofluid without any surfactant. The thermal conductivity of nanofluid was measured for different weight concentrations at different temperatures. The results showed an increase in thermal conductivity of up to 86% for 0.045% weight concentration at 55oC. This enhancement was due to the high thermal conductivity of graphene, carbon nanotubes (CNTs), and Ag nanoparticles as well as the higher surface area of Ag nanoparticles decorated on graphene and CNTs structures. The results of Transmission Electron Microscope (TEM), X-rays diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR) indicated that the silver nanoparticles were formed on the surface of carbon nanotubes and graphene sheets. CNTs graphene nanofluids silver nanoparticles thermal conductivity Science Q Van Trinh Pham verfasserin aut Hung Thang Bui verfasserin aut Van Chuc Nguyen verfasserin aut Tuan Hong Nguyen verfasserin aut Ngoc Minh Phan verfasserin aut Ngoc Hong Phan verfasserin aut In Vietnam Journal of Science, Technology and Engineering Vietnam Ministry of Science and Technology, 2023 59(2017), 4 (DE-627)1831592002 26159937 nnns volume:59 year:2017 number:4 https://doi.org/10.31276/VJSTE.59(4).75 kostenfrei https://doaj.org/article/4237fd9efa0b441fb27c6e4e3630a066 kostenfrei https://vietnamscience.vjst.vn/index.php/vjste/article/view/276 kostenfrei https://doaj.org/toc/2525-2461 Journal toc kostenfrei https://doaj.org/toc/2615-9937 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 59 2017 4 |
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10.31276/VJSTE.59(4).75 doi (DE-627)DOAJ08124293X (DE-599)DOAJ4237fd9efa0b441fb27c6e4e3630a066 DE-627 ger DE-627 rakwb eng Ngoc Anh Nguyen verfasserin aut Synthesis and characterization of thermal conductivity of nanofluids based on Ag decorated-CNTs/graphene hybrid materials 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, we present a new nanofluid based on silver nanoparticles decorated on the functionalized carbon nanotubes-graphene sheet (hybrid) materials. Briefly, carbon nanotubes and graphene sheets were first functionalized with a hydroxyl group and carboxyl group respectively. The hybrid material was decorated with silver nanoparticles via chemical reduction method with the assistance of sodium hydroxyl. Finally, the obtained Aghybrid material was dispersed in ethylene glycol solution (EG) to form the nanofluid without any surfactant. The thermal conductivity of nanofluid was measured for different weight concentrations at different temperatures. The results showed an increase in thermal conductivity of up to 86% for 0.045% weight concentration at 55oC. This enhancement was due to the high thermal conductivity of graphene, carbon nanotubes (CNTs), and Ag nanoparticles as well as the higher surface area of Ag nanoparticles decorated on graphene and CNTs structures. The results of Transmission Electron Microscope (TEM), X-rays diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR) indicated that the silver nanoparticles were formed on the surface of carbon nanotubes and graphene sheets. CNTs graphene nanofluids silver nanoparticles thermal conductivity Science Q Van Trinh Pham verfasserin aut Hung Thang Bui verfasserin aut Van Chuc Nguyen verfasserin aut Tuan Hong Nguyen verfasserin aut Ngoc Minh Phan verfasserin aut Ngoc Hong Phan verfasserin aut In Vietnam Journal of Science, Technology and Engineering Vietnam Ministry of Science and Technology, 2023 59(2017), 4 (DE-627)1831592002 26159937 nnns volume:59 year:2017 number:4 https://doi.org/10.31276/VJSTE.59(4).75 kostenfrei https://doaj.org/article/4237fd9efa0b441fb27c6e4e3630a066 kostenfrei https://vietnamscience.vjst.vn/index.php/vjste/article/view/276 kostenfrei https://doaj.org/toc/2525-2461 Journal toc kostenfrei https://doaj.org/toc/2615-9937 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 59 2017 4 |
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10.31276/VJSTE.59(4).75 doi (DE-627)DOAJ08124293X (DE-599)DOAJ4237fd9efa0b441fb27c6e4e3630a066 DE-627 ger DE-627 rakwb eng Ngoc Anh Nguyen verfasserin aut Synthesis and characterization of thermal conductivity of nanofluids based on Ag decorated-CNTs/graphene hybrid materials 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, we present a new nanofluid based on silver nanoparticles decorated on the functionalized carbon nanotubes-graphene sheet (hybrid) materials. Briefly, carbon nanotubes and graphene sheets were first functionalized with a hydroxyl group and carboxyl group respectively. The hybrid material was decorated with silver nanoparticles via chemical reduction method with the assistance of sodium hydroxyl. Finally, the obtained Aghybrid material was dispersed in ethylene glycol solution (EG) to form the nanofluid without any surfactant. The thermal conductivity of nanofluid was measured for different weight concentrations at different temperatures. The results showed an increase in thermal conductivity of up to 86% for 0.045% weight concentration at 55oC. This enhancement was due to the high thermal conductivity of graphene, carbon nanotubes (CNTs), and Ag nanoparticles as well as the higher surface area of Ag nanoparticles decorated on graphene and CNTs structures. The results of Transmission Electron Microscope (TEM), X-rays diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR) indicated that the silver nanoparticles were formed on the surface of carbon nanotubes and graphene sheets. CNTs graphene nanofluids silver nanoparticles thermal conductivity Science Q Van Trinh Pham verfasserin aut Hung Thang Bui verfasserin aut Van Chuc Nguyen verfasserin aut Tuan Hong Nguyen verfasserin aut Ngoc Minh Phan verfasserin aut Ngoc Hong Phan verfasserin aut In Vietnam Journal of Science, Technology and Engineering Vietnam Ministry of Science and Technology, 2023 59(2017), 4 (DE-627)1831592002 26159937 nnns volume:59 year:2017 number:4 https://doi.org/10.31276/VJSTE.59(4).75 kostenfrei https://doaj.org/article/4237fd9efa0b441fb27c6e4e3630a066 kostenfrei https://vietnamscience.vjst.vn/index.php/vjste/article/view/276 kostenfrei https://doaj.org/toc/2525-2461 Journal toc kostenfrei https://doaj.org/toc/2615-9937 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 59 2017 4 |
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10.31276/VJSTE.59(4).75 doi (DE-627)DOAJ08124293X (DE-599)DOAJ4237fd9efa0b441fb27c6e4e3630a066 DE-627 ger DE-627 rakwb eng Ngoc Anh Nguyen verfasserin aut Synthesis and characterization of thermal conductivity of nanofluids based on Ag decorated-CNTs/graphene hybrid materials 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, we present a new nanofluid based on silver nanoparticles decorated on the functionalized carbon nanotubes-graphene sheet (hybrid) materials. Briefly, carbon nanotubes and graphene sheets were first functionalized with a hydroxyl group and carboxyl group respectively. The hybrid material was decorated with silver nanoparticles via chemical reduction method with the assistance of sodium hydroxyl. Finally, the obtained Aghybrid material was dispersed in ethylene glycol solution (EG) to form the nanofluid without any surfactant. The thermal conductivity of nanofluid was measured for different weight concentrations at different temperatures. The results showed an increase in thermal conductivity of up to 86% for 0.045% weight concentration at 55oC. This enhancement was due to the high thermal conductivity of graphene, carbon nanotubes (CNTs), and Ag nanoparticles as well as the higher surface area of Ag nanoparticles decorated on graphene and CNTs structures. The results of Transmission Electron Microscope (TEM), X-rays diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR) indicated that the silver nanoparticles were formed on the surface of carbon nanotubes and graphene sheets. CNTs graphene nanofluids silver nanoparticles thermal conductivity Science Q Van Trinh Pham verfasserin aut Hung Thang Bui verfasserin aut Van Chuc Nguyen verfasserin aut Tuan Hong Nguyen verfasserin aut Ngoc Minh Phan verfasserin aut Ngoc Hong Phan verfasserin aut In Vietnam Journal of Science, Technology and Engineering Vietnam Ministry of Science and Technology, 2023 59(2017), 4 (DE-627)1831592002 26159937 nnns volume:59 year:2017 number:4 https://doi.org/10.31276/VJSTE.59(4).75 kostenfrei https://doaj.org/article/4237fd9efa0b441fb27c6e4e3630a066 kostenfrei https://vietnamscience.vjst.vn/index.php/vjste/article/view/276 kostenfrei https://doaj.org/toc/2525-2461 Journal toc kostenfrei https://doaj.org/toc/2615-9937 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 59 2017 4 |
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10.31276/VJSTE.59(4).75 doi (DE-627)DOAJ08124293X (DE-599)DOAJ4237fd9efa0b441fb27c6e4e3630a066 DE-627 ger DE-627 rakwb eng Ngoc Anh Nguyen verfasserin aut Synthesis and characterization of thermal conductivity of nanofluids based on Ag decorated-CNTs/graphene hybrid materials 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, we present a new nanofluid based on silver nanoparticles decorated on the functionalized carbon nanotubes-graphene sheet (hybrid) materials. Briefly, carbon nanotubes and graphene sheets were first functionalized with a hydroxyl group and carboxyl group respectively. The hybrid material was decorated with silver nanoparticles via chemical reduction method with the assistance of sodium hydroxyl. Finally, the obtained Aghybrid material was dispersed in ethylene glycol solution (EG) to form the nanofluid without any surfactant. The thermal conductivity of nanofluid was measured for different weight concentrations at different temperatures. The results showed an increase in thermal conductivity of up to 86% for 0.045% weight concentration at 55oC. This enhancement was due to the high thermal conductivity of graphene, carbon nanotubes (CNTs), and Ag nanoparticles as well as the higher surface area of Ag nanoparticles decorated on graphene and CNTs structures. The results of Transmission Electron Microscope (TEM), X-rays diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR) indicated that the silver nanoparticles were formed on the surface of carbon nanotubes and graphene sheets. CNTs graphene nanofluids silver nanoparticles thermal conductivity Science Q Van Trinh Pham verfasserin aut Hung Thang Bui verfasserin aut Van Chuc Nguyen verfasserin aut Tuan Hong Nguyen verfasserin aut Ngoc Minh Phan verfasserin aut Ngoc Hong Phan verfasserin aut In Vietnam Journal of Science, Technology and Engineering Vietnam Ministry of Science and Technology, 2023 59(2017), 4 (DE-627)1831592002 26159937 nnns volume:59 year:2017 number:4 https://doi.org/10.31276/VJSTE.59(4).75 kostenfrei https://doaj.org/article/4237fd9efa0b441fb27c6e4e3630a066 kostenfrei https://vietnamscience.vjst.vn/index.php/vjste/article/view/276 kostenfrei https://doaj.org/toc/2525-2461 Journal toc kostenfrei https://doaj.org/toc/2615-9937 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 59 2017 4 |
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Synthesis and characterization of thermal conductivity of nanofluids based on Ag decorated-CNTs/graphene hybrid materials |
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In this work, we present a new nanofluid based on silver nanoparticles decorated on the functionalized carbon nanotubes-graphene sheet (hybrid) materials. Briefly, carbon nanotubes and graphene sheets were first functionalized with a hydroxyl group and carboxyl group respectively. The hybrid material was decorated with silver nanoparticles via chemical reduction method with the assistance of sodium hydroxyl. Finally, the obtained Aghybrid material was dispersed in ethylene glycol solution (EG) to form the nanofluid without any surfactant. The thermal conductivity of nanofluid was measured for different weight concentrations at different temperatures. The results showed an increase in thermal conductivity of up to 86% for 0.045% weight concentration at 55oC. This enhancement was due to the high thermal conductivity of graphene, carbon nanotubes (CNTs), and Ag nanoparticles as well as the higher surface area of Ag nanoparticles decorated on graphene and CNTs structures. The results of Transmission Electron Microscope (TEM), X-rays diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR) indicated that the silver nanoparticles were formed on the surface of carbon nanotubes and graphene sheets. |
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In this work, we present a new nanofluid based on silver nanoparticles decorated on the functionalized carbon nanotubes-graphene sheet (hybrid) materials. Briefly, carbon nanotubes and graphene sheets were first functionalized with a hydroxyl group and carboxyl group respectively. The hybrid material was decorated with silver nanoparticles via chemical reduction method with the assistance of sodium hydroxyl. Finally, the obtained Aghybrid material was dispersed in ethylene glycol solution (EG) to form the nanofluid without any surfactant. The thermal conductivity of nanofluid was measured for different weight concentrations at different temperatures. The results showed an increase in thermal conductivity of up to 86% for 0.045% weight concentration at 55oC. This enhancement was due to the high thermal conductivity of graphene, carbon nanotubes (CNTs), and Ag nanoparticles as well as the higher surface area of Ag nanoparticles decorated on graphene and CNTs structures. The results of Transmission Electron Microscope (TEM), X-rays diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR) indicated that the silver nanoparticles were formed on the surface of carbon nanotubes and graphene sheets. |
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In this work, we present a new nanofluid based on silver nanoparticles decorated on the functionalized carbon nanotubes-graphene sheet (hybrid) materials. Briefly, carbon nanotubes and graphene sheets were first functionalized with a hydroxyl group and carboxyl group respectively. The hybrid material was decorated with silver nanoparticles via chemical reduction method with the assistance of sodium hydroxyl. Finally, the obtained Aghybrid material was dispersed in ethylene glycol solution (EG) to form the nanofluid without any surfactant. The thermal conductivity of nanofluid was measured for different weight concentrations at different temperatures. The results showed an increase in thermal conductivity of up to 86% for 0.045% weight concentration at 55oC. This enhancement was due to the high thermal conductivity of graphene, carbon nanotubes (CNTs), and Ag nanoparticles as well as the higher surface area of Ag nanoparticles decorated on graphene and CNTs structures. The results of Transmission Electron Microscope (TEM), X-rays diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR) indicated that the silver nanoparticles were formed on the surface of carbon nanotubes and graphene sheets. |
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