Super-Hydrophobic Nanostructured Silica Coating on Aluminum Substrate for Moist Air Condensation
Abstract In the present work, nanostructured functionalized silica is coated on an aluminum (Al) substrate by the spray pyrolysis method to create a stable and effective super-hydrophobic substrate for water harvesting via moist air. Substrate characterization reveals that (1) major diffraction peak...
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| Autor*in: |
Sharma, Deepak Kumar [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021 |
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| Schlagwörter: |
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| Anmerkung: |
© ASM International 2021 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of materials engineering and performance - Springer US, 1992, 31(2021), 2 vom: 21. Sept., Seite 1266-1276 |
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| Übergeordnetes Werk: |
volume:31 ; year:2021 ; number:2 ; day:21 ; month:09 ; pages:1266-1276 |
| Links: |
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| DOI / URN: |
10.1007/s11665-021-06254-6 |
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| Katalog-ID: |
OLC2077933496 |
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| 245 | 1 | 0 | |a Super-Hydrophobic Nanostructured Silica Coating on Aluminum Substrate for Moist Air Condensation |
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| 520 | |a Abstract In the present work, nanostructured functionalized silica is coated on an aluminum (Al) substrate by the spray pyrolysis method to create a stable and effective super-hydrophobic substrate for water harvesting via moist air. Substrate characterization reveals that (1) major diffraction peaks corresponding to crystoballite $ SiO_{2} $ (C-$ SiO_{2} $), quartz (Q-$ SiO_{2} $), $ Al_{2} $$ O_{3,} $ and $ Al_{2} $$ SiO_{5} $ are to be found at $ SiO_{2} $/Al interface; (2) strong chemically bonded methyl functionalized silica is confirmed on the Al surface by Fourier-transform infrared spectroscopy (FT-IR) and x-ray photoelectron spectrometry (XPS) shows the presence of Al-O-Si bond at the interface; and (3) the equilibrium contact angle of the water droplet on the coated substrate is measured to be 156° ± 5° with a hysteresis of 10° ± 3°. The coating is found to be stable for more than 365 days in a humid atmosphere. Finally, moist air condensation experiments confirm substantial augmentation of condensate collected ranging from 188 ml/$ m^{2} $-h over an untreated aluminum substrate to 750 ml/$ m^{2} $-h over the coated substrate. Hence, it is concluded that nanostructured silica-coated Al substrate is highly effective for enhancing the condensation of water vapor from a moist air environment. | ||
| 650 | 4 | |a contact angle hysteresis | |
| 650 | 4 | |a functionalization | |
| 650 | 4 | |a moist air condensation | |
| 650 | 4 | |a nanostructured silica coating | |
| 650 | 4 | |a spray pyrolysis | |
| 650 | 4 | |a super-hydrophobic substrate | |
| 700 | 1 | |a Sikarwar, Basant Singh |0 (orcid)0000-0001-8532-7528 |4 aut | |
| 700 | 1 | |a Upadhyay, Sumant |4 aut | |
| 700 | 1 | |a Kumar, Ranjit |0 (orcid)0000-0002-1417-9166 |4 aut | |
| 700 | 1 | |a Avasthi, D. K. |4 aut | |
| 700 | 1 | |a Ranjan, Mukesh |4 aut | |
| 700 | 1 | |a Srivastava, Sanjeev Kumar |4 aut | |
| 700 | 1 | |a Muralidhar, K. |4 aut | |
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10.1007/s11665-021-06254-6 doi (DE-627)OLC2077933496 (DE-He213)s11665-021-06254-6-p DE-627 ger DE-627 rakwb eng 620 660 670 VZ Sharma, Deepak Kumar verfasserin aut Super-Hydrophobic Nanostructured Silica Coating on Aluminum Substrate for Moist Air Condensation 2021 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © ASM International 2021 Abstract In the present work, nanostructured functionalized silica is coated on an aluminum (Al) substrate by the spray pyrolysis method to create a stable and effective super-hydrophobic substrate for water harvesting via moist air. Substrate characterization reveals that (1) major diffraction peaks corresponding to crystoballite $ SiO_{2} $ (C-$ SiO_{2} $), quartz (Q-$ SiO_{2} $), $ Al_{2} $$ O_{3,} $ and $ Al_{2} $$ SiO_{5} $ are to be found at $ SiO_{2} $/Al interface; (2) strong chemically bonded methyl functionalized silica is confirmed on the Al surface by Fourier-transform infrared spectroscopy (FT-IR) and x-ray photoelectron spectrometry (XPS) shows the presence of Al-O-Si bond at the interface; and (3) the equilibrium contact angle of the water droplet on the coated substrate is measured to be 156° ± 5° with a hysteresis of 10° ± 3°. The coating is found to be stable for more than 365 days in a humid atmosphere. Finally, moist air condensation experiments confirm substantial augmentation of condensate collected ranging from 188 ml/$ m^{2} $-h over an untreated aluminum substrate to 750 ml/$ m^{2} $-h over the coated substrate. Hence, it is concluded that nanostructured silica-coated Al substrate is highly effective for enhancing the condensation of water vapor from a moist air environment. contact angle hysteresis functionalization moist air condensation nanostructured silica coating spray pyrolysis super-hydrophobic substrate Sikarwar, Basant Singh (orcid)0000-0001-8532-7528 aut Upadhyay, Sumant aut Kumar, Ranjit (orcid)0000-0002-1417-9166 aut Avasthi, D. K. aut Ranjan, Mukesh aut Srivastava, Sanjeev Kumar aut Muralidhar, K. aut Enthalten in Journal of materials engineering and performance Springer US, 1992 31(2021), 2 vom: 21. Sept., Seite 1266-1276 (DE-627)131147366 (DE-600)1129075-4 (DE-576)033027250 1059-9495 nnns volume:31 year:2021 number:2 day:21 month:09 pages:1266-1276 https://doi.org/10.1007/s11665-021-06254-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHA SSG-OLC-DE-84 AR 31 2021 2 21 09 1266-1276 |
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10.1007/s11665-021-06254-6 doi (DE-627)OLC2077933496 (DE-He213)s11665-021-06254-6-p DE-627 ger DE-627 rakwb eng 620 660 670 VZ Sharma, Deepak Kumar verfasserin aut Super-Hydrophobic Nanostructured Silica Coating on Aluminum Substrate for Moist Air Condensation 2021 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © ASM International 2021 Abstract In the present work, nanostructured functionalized silica is coated on an aluminum (Al) substrate by the spray pyrolysis method to create a stable and effective super-hydrophobic substrate for water harvesting via moist air. Substrate characterization reveals that (1) major diffraction peaks corresponding to crystoballite $ SiO_{2} $ (C-$ SiO_{2} $), quartz (Q-$ SiO_{2} $), $ Al_{2} $$ O_{3,} $ and $ Al_{2} $$ SiO_{5} $ are to be found at $ SiO_{2} $/Al interface; (2) strong chemically bonded methyl functionalized silica is confirmed on the Al surface by Fourier-transform infrared spectroscopy (FT-IR) and x-ray photoelectron spectrometry (XPS) shows the presence of Al-O-Si bond at the interface; and (3) the equilibrium contact angle of the water droplet on the coated substrate is measured to be 156° ± 5° with a hysteresis of 10° ± 3°. The coating is found to be stable for more than 365 days in a humid atmosphere. Finally, moist air condensation experiments confirm substantial augmentation of condensate collected ranging from 188 ml/$ m^{2} $-h over an untreated aluminum substrate to 750 ml/$ m^{2} $-h over the coated substrate. Hence, it is concluded that nanostructured silica-coated Al substrate is highly effective for enhancing the condensation of water vapor from a moist air environment. contact angle hysteresis functionalization moist air condensation nanostructured silica coating spray pyrolysis super-hydrophobic substrate Sikarwar, Basant Singh (orcid)0000-0001-8532-7528 aut Upadhyay, Sumant aut Kumar, Ranjit (orcid)0000-0002-1417-9166 aut Avasthi, D. K. aut Ranjan, Mukesh aut Srivastava, Sanjeev Kumar aut Muralidhar, K. aut Enthalten in Journal of materials engineering and performance Springer US, 1992 31(2021), 2 vom: 21. Sept., Seite 1266-1276 (DE-627)131147366 (DE-600)1129075-4 (DE-576)033027250 1059-9495 nnns volume:31 year:2021 number:2 day:21 month:09 pages:1266-1276 https://doi.org/10.1007/s11665-021-06254-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHA SSG-OLC-DE-84 AR 31 2021 2 21 09 1266-1276 |
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10.1007/s11665-021-06254-6 doi (DE-627)OLC2077933496 (DE-He213)s11665-021-06254-6-p DE-627 ger DE-627 rakwb eng 620 660 670 VZ Sharma, Deepak Kumar verfasserin aut Super-Hydrophobic Nanostructured Silica Coating on Aluminum Substrate for Moist Air Condensation 2021 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © ASM International 2021 Abstract In the present work, nanostructured functionalized silica is coated on an aluminum (Al) substrate by the spray pyrolysis method to create a stable and effective super-hydrophobic substrate for water harvesting via moist air. Substrate characterization reveals that (1) major diffraction peaks corresponding to crystoballite $ SiO_{2} $ (C-$ SiO_{2} $), quartz (Q-$ SiO_{2} $), $ Al_{2} $$ O_{3,} $ and $ Al_{2} $$ SiO_{5} $ are to be found at $ SiO_{2} $/Al interface; (2) strong chemically bonded methyl functionalized silica is confirmed on the Al surface by Fourier-transform infrared spectroscopy (FT-IR) and x-ray photoelectron spectrometry (XPS) shows the presence of Al-O-Si bond at the interface; and (3) the equilibrium contact angle of the water droplet on the coated substrate is measured to be 156° ± 5° with a hysteresis of 10° ± 3°. The coating is found to be stable for more than 365 days in a humid atmosphere. Finally, moist air condensation experiments confirm substantial augmentation of condensate collected ranging from 188 ml/$ m^{2} $-h over an untreated aluminum substrate to 750 ml/$ m^{2} $-h over the coated substrate. Hence, it is concluded that nanostructured silica-coated Al substrate is highly effective for enhancing the condensation of water vapor from a moist air environment. contact angle hysteresis functionalization moist air condensation nanostructured silica coating spray pyrolysis super-hydrophobic substrate Sikarwar, Basant Singh (orcid)0000-0001-8532-7528 aut Upadhyay, Sumant aut Kumar, Ranjit (orcid)0000-0002-1417-9166 aut Avasthi, D. K. aut Ranjan, Mukesh aut Srivastava, Sanjeev Kumar aut Muralidhar, K. aut Enthalten in Journal of materials engineering and performance Springer US, 1992 31(2021), 2 vom: 21. Sept., Seite 1266-1276 (DE-627)131147366 (DE-600)1129075-4 (DE-576)033027250 1059-9495 nnns volume:31 year:2021 number:2 day:21 month:09 pages:1266-1276 https://doi.org/10.1007/s11665-021-06254-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHA SSG-OLC-DE-84 AR 31 2021 2 21 09 1266-1276 |
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10.1007/s11665-021-06254-6 doi (DE-627)OLC2077933496 (DE-He213)s11665-021-06254-6-p DE-627 ger DE-627 rakwb eng 620 660 670 VZ Sharma, Deepak Kumar verfasserin aut Super-Hydrophobic Nanostructured Silica Coating on Aluminum Substrate for Moist Air Condensation 2021 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © ASM International 2021 Abstract In the present work, nanostructured functionalized silica is coated on an aluminum (Al) substrate by the spray pyrolysis method to create a stable and effective super-hydrophobic substrate for water harvesting via moist air. Substrate characterization reveals that (1) major diffraction peaks corresponding to crystoballite $ SiO_{2} $ (C-$ SiO_{2} $), quartz (Q-$ SiO_{2} $), $ Al_{2} $$ O_{3,} $ and $ Al_{2} $$ SiO_{5} $ are to be found at $ SiO_{2} $/Al interface; (2) strong chemically bonded methyl functionalized silica is confirmed on the Al surface by Fourier-transform infrared spectroscopy (FT-IR) and x-ray photoelectron spectrometry (XPS) shows the presence of Al-O-Si bond at the interface; and (3) the equilibrium contact angle of the water droplet on the coated substrate is measured to be 156° ± 5° with a hysteresis of 10° ± 3°. The coating is found to be stable for more than 365 days in a humid atmosphere. Finally, moist air condensation experiments confirm substantial augmentation of condensate collected ranging from 188 ml/$ m^{2} $-h over an untreated aluminum substrate to 750 ml/$ m^{2} $-h over the coated substrate. Hence, it is concluded that nanostructured silica-coated Al substrate is highly effective for enhancing the condensation of water vapor from a moist air environment. contact angle hysteresis functionalization moist air condensation nanostructured silica coating spray pyrolysis super-hydrophobic substrate Sikarwar, Basant Singh (orcid)0000-0001-8532-7528 aut Upadhyay, Sumant aut Kumar, Ranjit (orcid)0000-0002-1417-9166 aut Avasthi, D. K. aut Ranjan, Mukesh aut Srivastava, Sanjeev Kumar aut Muralidhar, K. aut Enthalten in Journal of materials engineering and performance Springer US, 1992 31(2021), 2 vom: 21. Sept., Seite 1266-1276 (DE-627)131147366 (DE-600)1129075-4 (DE-576)033027250 1059-9495 nnns volume:31 year:2021 number:2 day:21 month:09 pages:1266-1276 https://doi.org/10.1007/s11665-021-06254-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHA SSG-OLC-DE-84 AR 31 2021 2 21 09 1266-1276 |
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10.1007/s11665-021-06254-6 doi (DE-627)OLC2077933496 (DE-He213)s11665-021-06254-6-p DE-627 ger DE-627 rakwb eng 620 660 670 VZ Sharma, Deepak Kumar verfasserin aut Super-Hydrophobic Nanostructured Silica Coating on Aluminum Substrate for Moist Air Condensation 2021 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © ASM International 2021 Abstract In the present work, nanostructured functionalized silica is coated on an aluminum (Al) substrate by the spray pyrolysis method to create a stable and effective super-hydrophobic substrate for water harvesting via moist air. Substrate characterization reveals that (1) major diffraction peaks corresponding to crystoballite $ SiO_{2} $ (C-$ SiO_{2} $), quartz (Q-$ SiO_{2} $), $ Al_{2} $$ O_{3,} $ and $ Al_{2} $$ SiO_{5} $ are to be found at $ SiO_{2} $/Al interface; (2) strong chemically bonded methyl functionalized silica is confirmed on the Al surface by Fourier-transform infrared spectroscopy (FT-IR) and x-ray photoelectron spectrometry (XPS) shows the presence of Al-O-Si bond at the interface; and (3) the equilibrium contact angle of the water droplet on the coated substrate is measured to be 156° ± 5° with a hysteresis of 10° ± 3°. The coating is found to be stable for more than 365 days in a humid atmosphere. Finally, moist air condensation experiments confirm substantial augmentation of condensate collected ranging from 188 ml/$ m^{2} $-h over an untreated aluminum substrate to 750 ml/$ m^{2} $-h over the coated substrate. Hence, it is concluded that nanostructured silica-coated Al substrate is highly effective for enhancing the condensation of water vapor from a moist air environment. contact angle hysteresis functionalization moist air condensation nanostructured silica coating spray pyrolysis super-hydrophobic substrate Sikarwar, Basant Singh (orcid)0000-0001-8532-7528 aut Upadhyay, Sumant aut Kumar, Ranjit (orcid)0000-0002-1417-9166 aut Avasthi, D. K. aut Ranjan, Mukesh aut Srivastava, Sanjeev Kumar aut Muralidhar, K. aut Enthalten in Journal of materials engineering and performance Springer US, 1992 31(2021), 2 vom: 21. Sept., Seite 1266-1276 (DE-627)131147366 (DE-600)1129075-4 (DE-576)033027250 1059-9495 nnns volume:31 year:2021 number:2 day:21 month:09 pages:1266-1276 https://doi.org/10.1007/s11665-021-06254-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHA SSG-OLC-DE-84 AR 31 2021 2 21 09 1266-1276 |
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Sharma, Deepak Kumar @@aut@@ Sikarwar, Basant Singh @@aut@@ Upadhyay, Sumant @@aut@@ Kumar, Ranjit @@aut@@ Avasthi, D. K. @@aut@@ Ranjan, Mukesh @@aut@@ Srivastava, Sanjeev Kumar @@aut@@ Muralidhar, K. @@aut@@ |
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super-hydrophobic nanostructured silica coating on aluminum substrate for moist air condensation |
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Super-Hydrophobic Nanostructured Silica Coating on Aluminum Substrate for Moist Air Condensation |
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Abstract In the present work, nanostructured functionalized silica is coated on an aluminum (Al) substrate by the spray pyrolysis method to create a stable and effective super-hydrophobic substrate for water harvesting via moist air. Substrate characterization reveals that (1) major diffraction peaks corresponding to crystoballite $ SiO_{2} $ (C-$ SiO_{2} $), quartz (Q-$ SiO_{2} $), $ Al_{2} $$ O_{3,} $ and $ Al_{2} $$ SiO_{5} $ are to be found at $ SiO_{2} $/Al interface; (2) strong chemically bonded methyl functionalized silica is confirmed on the Al surface by Fourier-transform infrared spectroscopy (FT-IR) and x-ray photoelectron spectrometry (XPS) shows the presence of Al-O-Si bond at the interface; and (3) the equilibrium contact angle of the water droplet on the coated substrate is measured to be 156° ± 5° with a hysteresis of 10° ± 3°. The coating is found to be stable for more than 365 days in a humid atmosphere. Finally, moist air condensation experiments confirm substantial augmentation of condensate collected ranging from 188 ml/$ m^{2} $-h over an untreated aluminum substrate to 750 ml/$ m^{2} $-h over the coated substrate. Hence, it is concluded that nanostructured silica-coated Al substrate is highly effective for enhancing the condensation of water vapor from a moist air environment. © ASM International 2021 |
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Abstract In the present work, nanostructured functionalized silica is coated on an aluminum (Al) substrate by the spray pyrolysis method to create a stable and effective super-hydrophobic substrate for water harvesting via moist air. Substrate characterization reveals that (1) major diffraction peaks corresponding to crystoballite $ SiO_{2} $ (C-$ SiO_{2} $), quartz (Q-$ SiO_{2} $), $ Al_{2} $$ O_{3,} $ and $ Al_{2} $$ SiO_{5} $ are to be found at $ SiO_{2} $/Al interface; (2) strong chemically bonded methyl functionalized silica is confirmed on the Al surface by Fourier-transform infrared spectroscopy (FT-IR) and x-ray photoelectron spectrometry (XPS) shows the presence of Al-O-Si bond at the interface; and (3) the equilibrium contact angle of the water droplet on the coated substrate is measured to be 156° ± 5° with a hysteresis of 10° ± 3°. The coating is found to be stable for more than 365 days in a humid atmosphere. Finally, moist air condensation experiments confirm substantial augmentation of condensate collected ranging from 188 ml/$ m^{2} $-h over an untreated aluminum substrate to 750 ml/$ m^{2} $-h over the coated substrate. Hence, it is concluded that nanostructured silica-coated Al substrate is highly effective for enhancing the condensation of water vapor from a moist air environment. © ASM International 2021 |
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Abstract In the present work, nanostructured functionalized silica is coated on an aluminum (Al) substrate by the spray pyrolysis method to create a stable and effective super-hydrophobic substrate for water harvesting via moist air. Substrate characterization reveals that (1) major diffraction peaks corresponding to crystoballite $ SiO_{2} $ (C-$ SiO_{2} $), quartz (Q-$ SiO_{2} $), $ Al_{2} $$ O_{3,} $ and $ Al_{2} $$ SiO_{5} $ are to be found at $ SiO_{2} $/Al interface; (2) strong chemically bonded methyl functionalized silica is confirmed on the Al surface by Fourier-transform infrared spectroscopy (FT-IR) and x-ray photoelectron spectrometry (XPS) shows the presence of Al-O-Si bond at the interface; and (3) the equilibrium contact angle of the water droplet on the coated substrate is measured to be 156° ± 5° with a hysteresis of 10° ± 3°. The coating is found to be stable for more than 365 days in a humid atmosphere. Finally, moist air condensation experiments confirm substantial augmentation of condensate collected ranging from 188 ml/$ m^{2} $-h over an untreated aluminum substrate to 750 ml/$ m^{2} $-h over the coated substrate. Hence, it is concluded that nanostructured silica-coated Al substrate is highly effective for enhancing the condensation of water vapor from a moist air environment. © ASM International 2021 |
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