Mesoporous silica beads encapsulated with functionalized palladium nanocrystallites: Novel catalyst for selective hydrogen evolution
Abstract 2-(3,4 epoxycyclohexyl)ethyltrimethoxysilane (EETMS)/3-glycidoxypropyltrimethoxysilane (GPTMS) mediated, in situ synthesis of functional palladium (Pd) nanocomposites over the graphene oxide (GO) surface is reported. The prepared nanocomposites viz, Pd/EETMS, Pd/GPTMS, Pd/GO/EETMS, and Pd/G...
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Gespeichert in:
| Autor*in: |
Pandey, Prem Chandra [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2017 |
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| Systematik: |
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| Anmerkung: |
© The Materials Research Society 2017 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of materials research - Springer International Publishing, 1986, 32(2017), 18 vom: 15. Juni, Seite 3574-3584 |
|---|---|
| Übergeordnetes Werk: |
volume:32 ; year:2017 ; number:18 ; day:15 ; month:06 ; pages:3574-3584 |
| Links: |
|---|
| DOI / URN: |
10.1557/jmr.2017.226 |
|---|
| Katalog-ID: |
OLC2121189521 |
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| 520 | |a Abstract 2-(3,4 epoxycyclohexyl)ethyltrimethoxysilane (EETMS)/3-glycidoxypropyltrimethoxysilane (GPTMS) mediated, in situ synthesis of functional palladium (Pd) nanocomposites over the graphene oxide (GO) surface is reported. The prepared nanocomposites viz, Pd/EETMS, Pd/GPTMS, Pd/GO/EETMS, and Pd/GO/GPTMS, are encapsulated into mesoporous (2–10 nm) silica-alginate beads to primarily serve the development of cost-effective catalyst for on-board generation of hydrogen. Major findings involve: (i) the synthesis of porous silica alginate beads, with the controlled pore sizes (2–10 nm) as a function of concentration of alkoxysilanes, (ii) onboard release of hydrogen from the decomposition of hydrazine, which is evaluated as: (1) time-dependent disappearance of the N–N bond stretching band at 1069 $ cm^{−1} $ based on the FTIR spectroscopy, (2) volumetric estimation of the equimolar hydrogen using methylene blue (MB); (3) catalytic reduction of p-nitroaniline (PNA). The decomposition of high concentration of hydrazine is made possible using very low concentration of palladium. On calcination the efficiency of catalysts found to enhance further. The noteworthy finding is probing the hydrogen evolution using FTIR spectroscopy. Hydrogen selectivity of ∼100% is obtained from the most efficient catalyst (Pd/GO/EETMS-623 K). | ||
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10.1557/jmr.2017.226 doi (DE-627)OLC2121189521 (DE-He213)jmr.2017.226-p DE-627 ger DE-627 rakwb eng 670 VZ VA 5350 VZ rvk Pandey, Prem Chandra verfasserin aut Mesoporous silica beads encapsulated with functionalized palladium nanocrystallites: Novel catalyst for selective hydrogen evolution 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Materials Research Society 2017 Abstract 2-(3,4 epoxycyclohexyl)ethyltrimethoxysilane (EETMS)/3-glycidoxypropyltrimethoxysilane (GPTMS) mediated, in situ synthesis of functional palladium (Pd) nanocomposites over the graphene oxide (GO) surface is reported. The prepared nanocomposites viz, Pd/EETMS, Pd/GPTMS, Pd/GO/EETMS, and Pd/GO/GPTMS, are encapsulated into mesoporous (2–10 nm) silica-alginate beads to primarily serve the development of cost-effective catalyst for on-board generation of hydrogen. Major findings involve: (i) the synthesis of porous silica alginate beads, with the controlled pore sizes (2–10 nm) as a function of concentration of alkoxysilanes, (ii) onboard release of hydrogen from the decomposition of hydrazine, which is evaluated as: (1) time-dependent disappearance of the N–N bond stretching band at 1069 $ cm^{−1} $ based on the FTIR spectroscopy, (2) volumetric estimation of the equimolar hydrogen using methylene blue (MB); (3) catalytic reduction of p-nitroaniline (PNA). The decomposition of high concentration of hydrazine is made possible using very low concentration of palladium. On calcination the efficiency of catalysts found to enhance further. The noteworthy finding is probing the hydrogen evolution using FTIR spectroscopy. Hydrogen selectivity of ∼100% is obtained from the most efficient catalyst (Pd/GO/EETMS-623 K). Shukla, Shubhangi aut Pandey, Yashashwa aut Enthalten in Journal of materials research Springer International Publishing, 1986 32(2017), 18 vom: 15. Juni, Seite 3574-3584 (DE-627)129206288 (DE-600)54876-5 (DE-576)01445744X 0884-2914 nnns volume:32 year:2017 number:18 day:15 month:06 pages:3574-3584 https://doi.org/10.1557/jmr.2017.226 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_21 GBV_ILN_24 GBV_ILN_70 GBV_ILN_2005 GBV_ILN_2020 GBV_ILN_4126 GBV_ILN_4319 GBV_ILN_4323 VA 5350 AR 32 2017 18 15 06 3574-3584 |
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10.1557/jmr.2017.226 doi (DE-627)OLC2121189521 (DE-He213)jmr.2017.226-p DE-627 ger DE-627 rakwb eng 670 VZ VA 5350 VZ rvk Pandey, Prem Chandra verfasserin aut Mesoporous silica beads encapsulated with functionalized palladium nanocrystallites: Novel catalyst for selective hydrogen evolution 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Materials Research Society 2017 Abstract 2-(3,4 epoxycyclohexyl)ethyltrimethoxysilane (EETMS)/3-glycidoxypropyltrimethoxysilane (GPTMS) mediated, in situ synthesis of functional palladium (Pd) nanocomposites over the graphene oxide (GO) surface is reported. The prepared nanocomposites viz, Pd/EETMS, Pd/GPTMS, Pd/GO/EETMS, and Pd/GO/GPTMS, are encapsulated into mesoporous (2–10 nm) silica-alginate beads to primarily serve the development of cost-effective catalyst for on-board generation of hydrogen. Major findings involve: (i) the synthesis of porous silica alginate beads, with the controlled pore sizes (2–10 nm) as a function of concentration of alkoxysilanes, (ii) onboard release of hydrogen from the decomposition of hydrazine, which is evaluated as: (1) time-dependent disappearance of the N–N bond stretching band at 1069 $ cm^{−1} $ based on the FTIR spectroscopy, (2) volumetric estimation of the equimolar hydrogen using methylene blue (MB); (3) catalytic reduction of p-nitroaniline (PNA). The decomposition of high concentration of hydrazine is made possible using very low concentration of palladium. On calcination the efficiency of catalysts found to enhance further. The noteworthy finding is probing the hydrogen evolution using FTIR spectroscopy. Hydrogen selectivity of ∼100% is obtained from the most efficient catalyst (Pd/GO/EETMS-623 K). Shukla, Shubhangi aut Pandey, Yashashwa aut Enthalten in Journal of materials research Springer International Publishing, 1986 32(2017), 18 vom: 15. Juni, Seite 3574-3584 (DE-627)129206288 (DE-600)54876-5 (DE-576)01445744X 0884-2914 nnns volume:32 year:2017 number:18 day:15 month:06 pages:3574-3584 https://doi.org/10.1557/jmr.2017.226 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_21 GBV_ILN_24 GBV_ILN_70 GBV_ILN_2005 GBV_ILN_2020 GBV_ILN_4126 GBV_ILN_4319 GBV_ILN_4323 VA 5350 AR 32 2017 18 15 06 3574-3584 |
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10.1557/jmr.2017.226 doi (DE-627)OLC2121189521 (DE-He213)jmr.2017.226-p DE-627 ger DE-627 rakwb eng 670 VZ VA 5350 VZ rvk Pandey, Prem Chandra verfasserin aut Mesoporous silica beads encapsulated with functionalized palladium nanocrystallites: Novel catalyst for selective hydrogen evolution 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Materials Research Society 2017 Abstract 2-(3,4 epoxycyclohexyl)ethyltrimethoxysilane (EETMS)/3-glycidoxypropyltrimethoxysilane (GPTMS) mediated, in situ synthesis of functional palladium (Pd) nanocomposites over the graphene oxide (GO) surface is reported. The prepared nanocomposites viz, Pd/EETMS, Pd/GPTMS, Pd/GO/EETMS, and Pd/GO/GPTMS, are encapsulated into mesoporous (2–10 nm) silica-alginate beads to primarily serve the development of cost-effective catalyst for on-board generation of hydrogen. Major findings involve: (i) the synthesis of porous silica alginate beads, with the controlled pore sizes (2–10 nm) as a function of concentration of alkoxysilanes, (ii) onboard release of hydrogen from the decomposition of hydrazine, which is evaluated as: (1) time-dependent disappearance of the N–N bond stretching band at 1069 $ cm^{−1} $ based on the FTIR spectroscopy, (2) volumetric estimation of the equimolar hydrogen using methylene blue (MB); (3) catalytic reduction of p-nitroaniline (PNA). The decomposition of high concentration of hydrazine is made possible using very low concentration of palladium. On calcination the efficiency of catalysts found to enhance further. The noteworthy finding is probing the hydrogen evolution using FTIR spectroscopy. Hydrogen selectivity of ∼100% is obtained from the most efficient catalyst (Pd/GO/EETMS-623 K). Shukla, Shubhangi aut Pandey, Yashashwa aut Enthalten in Journal of materials research Springer International Publishing, 1986 32(2017), 18 vom: 15. Juni, Seite 3574-3584 (DE-627)129206288 (DE-600)54876-5 (DE-576)01445744X 0884-2914 nnns volume:32 year:2017 number:18 day:15 month:06 pages:3574-3584 https://doi.org/10.1557/jmr.2017.226 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_21 GBV_ILN_24 GBV_ILN_70 GBV_ILN_2005 GBV_ILN_2020 GBV_ILN_4126 GBV_ILN_4319 GBV_ILN_4323 VA 5350 AR 32 2017 18 15 06 3574-3584 |
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10.1557/jmr.2017.226 doi (DE-627)OLC2121189521 (DE-He213)jmr.2017.226-p DE-627 ger DE-627 rakwb eng 670 VZ VA 5350 VZ rvk Pandey, Prem Chandra verfasserin aut Mesoporous silica beads encapsulated with functionalized palladium nanocrystallites: Novel catalyst for selective hydrogen evolution 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Materials Research Society 2017 Abstract 2-(3,4 epoxycyclohexyl)ethyltrimethoxysilane (EETMS)/3-glycidoxypropyltrimethoxysilane (GPTMS) mediated, in situ synthesis of functional palladium (Pd) nanocomposites over the graphene oxide (GO) surface is reported. The prepared nanocomposites viz, Pd/EETMS, Pd/GPTMS, Pd/GO/EETMS, and Pd/GO/GPTMS, are encapsulated into mesoporous (2–10 nm) silica-alginate beads to primarily serve the development of cost-effective catalyst for on-board generation of hydrogen. Major findings involve: (i) the synthesis of porous silica alginate beads, with the controlled pore sizes (2–10 nm) as a function of concentration of alkoxysilanes, (ii) onboard release of hydrogen from the decomposition of hydrazine, which is evaluated as: (1) time-dependent disappearance of the N–N bond stretching band at 1069 $ cm^{−1} $ based on the FTIR spectroscopy, (2) volumetric estimation of the equimolar hydrogen using methylene blue (MB); (3) catalytic reduction of p-nitroaniline (PNA). The decomposition of high concentration of hydrazine is made possible using very low concentration of palladium. On calcination the efficiency of catalysts found to enhance further. The noteworthy finding is probing the hydrogen evolution using FTIR spectroscopy. Hydrogen selectivity of ∼100% is obtained from the most efficient catalyst (Pd/GO/EETMS-623 K). Shukla, Shubhangi aut Pandey, Yashashwa aut Enthalten in Journal of materials research Springer International Publishing, 1986 32(2017), 18 vom: 15. Juni, Seite 3574-3584 (DE-627)129206288 (DE-600)54876-5 (DE-576)01445744X 0884-2914 nnns volume:32 year:2017 number:18 day:15 month:06 pages:3574-3584 https://doi.org/10.1557/jmr.2017.226 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_21 GBV_ILN_24 GBV_ILN_70 GBV_ILN_2005 GBV_ILN_2020 GBV_ILN_4126 GBV_ILN_4319 GBV_ILN_4323 VA 5350 AR 32 2017 18 15 06 3574-3584 |
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10.1557/jmr.2017.226 doi (DE-627)OLC2121189521 (DE-He213)jmr.2017.226-p DE-627 ger DE-627 rakwb eng 670 VZ VA 5350 VZ rvk Pandey, Prem Chandra verfasserin aut Mesoporous silica beads encapsulated with functionalized palladium nanocrystallites: Novel catalyst for selective hydrogen evolution 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Materials Research Society 2017 Abstract 2-(3,4 epoxycyclohexyl)ethyltrimethoxysilane (EETMS)/3-glycidoxypropyltrimethoxysilane (GPTMS) mediated, in situ synthesis of functional palladium (Pd) nanocomposites over the graphene oxide (GO) surface is reported. The prepared nanocomposites viz, Pd/EETMS, Pd/GPTMS, Pd/GO/EETMS, and Pd/GO/GPTMS, are encapsulated into mesoporous (2–10 nm) silica-alginate beads to primarily serve the development of cost-effective catalyst for on-board generation of hydrogen. Major findings involve: (i) the synthesis of porous silica alginate beads, with the controlled pore sizes (2–10 nm) as a function of concentration of alkoxysilanes, (ii) onboard release of hydrogen from the decomposition of hydrazine, which is evaluated as: (1) time-dependent disappearance of the N–N bond stretching band at 1069 $ cm^{−1} $ based on the FTIR spectroscopy, (2) volumetric estimation of the equimolar hydrogen using methylene blue (MB); (3) catalytic reduction of p-nitroaniline (PNA). The decomposition of high concentration of hydrazine is made possible using very low concentration of palladium. On calcination the efficiency of catalysts found to enhance further. The noteworthy finding is probing the hydrogen evolution using FTIR spectroscopy. Hydrogen selectivity of ∼100% is obtained from the most efficient catalyst (Pd/GO/EETMS-623 K). Shukla, Shubhangi aut Pandey, Yashashwa aut Enthalten in Journal of materials research Springer International Publishing, 1986 32(2017), 18 vom: 15. Juni, Seite 3574-3584 (DE-627)129206288 (DE-600)54876-5 (DE-576)01445744X 0884-2914 nnns volume:32 year:2017 number:18 day:15 month:06 pages:3574-3584 https://doi.org/10.1557/jmr.2017.226 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_21 GBV_ILN_24 GBV_ILN_70 GBV_ILN_2005 GBV_ILN_2020 GBV_ILN_4126 GBV_ILN_4319 GBV_ILN_4323 VA 5350 AR 32 2017 18 15 06 3574-3584 |
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Mesoporous silica beads encapsulated with functionalized palladium nanocrystallites: Novel catalyst for selective hydrogen evolution |
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Mesoporous silica beads encapsulated with functionalized palladium nanocrystallites: Novel catalyst for selective hydrogen evolution |
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Pandey, Prem Chandra |
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Journal of materials research |
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Pandey, Prem Chandra Shukla, Shubhangi Pandey, Yashashwa |
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mesoporous silica beads encapsulated with functionalized palladium nanocrystallites: novel catalyst for selective hydrogen evolution |
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Mesoporous silica beads encapsulated with functionalized palladium nanocrystallites: Novel catalyst for selective hydrogen evolution |
| abstract |
Abstract 2-(3,4 epoxycyclohexyl)ethyltrimethoxysilane (EETMS)/3-glycidoxypropyltrimethoxysilane (GPTMS) mediated, in situ synthesis of functional palladium (Pd) nanocomposites over the graphene oxide (GO) surface is reported. The prepared nanocomposites viz, Pd/EETMS, Pd/GPTMS, Pd/GO/EETMS, and Pd/GO/GPTMS, are encapsulated into mesoporous (2–10 nm) silica-alginate beads to primarily serve the development of cost-effective catalyst for on-board generation of hydrogen. Major findings involve: (i) the synthesis of porous silica alginate beads, with the controlled pore sizes (2–10 nm) as a function of concentration of alkoxysilanes, (ii) onboard release of hydrogen from the decomposition of hydrazine, which is evaluated as: (1) time-dependent disappearance of the N–N bond stretching band at 1069 $ cm^{−1} $ based on the FTIR spectroscopy, (2) volumetric estimation of the equimolar hydrogen using methylene blue (MB); (3) catalytic reduction of p-nitroaniline (PNA). The decomposition of high concentration of hydrazine is made possible using very low concentration of palladium. On calcination the efficiency of catalysts found to enhance further. The noteworthy finding is probing the hydrogen evolution using FTIR spectroscopy. Hydrogen selectivity of ∼100% is obtained from the most efficient catalyst (Pd/GO/EETMS-623 K). © The Materials Research Society 2017 |
| abstractGer |
Abstract 2-(3,4 epoxycyclohexyl)ethyltrimethoxysilane (EETMS)/3-glycidoxypropyltrimethoxysilane (GPTMS) mediated, in situ synthesis of functional palladium (Pd) nanocomposites over the graphene oxide (GO) surface is reported. The prepared nanocomposites viz, Pd/EETMS, Pd/GPTMS, Pd/GO/EETMS, and Pd/GO/GPTMS, are encapsulated into mesoporous (2–10 nm) silica-alginate beads to primarily serve the development of cost-effective catalyst for on-board generation of hydrogen. Major findings involve: (i) the synthesis of porous silica alginate beads, with the controlled pore sizes (2–10 nm) as a function of concentration of alkoxysilanes, (ii) onboard release of hydrogen from the decomposition of hydrazine, which is evaluated as: (1) time-dependent disappearance of the N–N bond stretching band at 1069 $ cm^{−1} $ based on the FTIR spectroscopy, (2) volumetric estimation of the equimolar hydrogen using methylene blue (MB); (3) catalytic reduction of p-nitroaniline (PNA). The decomposition of high concentration of hydrazine is made possible using very low concentration of palladium. On calcination the efficiency of catalysts found to enhance further. The noteworthy finding is probing the hydrogen evolution using FTIR spectroscopy. Hydrogen selectivity of ∼100% is obtained from the most efficient catalyst (Pd/GO/EETMS-623 K). © The Materials Research Society 2017 |
| abstract_unstemmed |
Abstract 2-(3,4 epoxycyclohexyl)ethyltrimethoxysilane (EETMS)/3-glycidoxypropyltrimethoxysilane (GPTMS) mediated, in situ synthesis of functional palladium (Pd) nanocomposites over the graphene oxide (GO) surface is reported. The prepared nanocomposites viz, Pd/EETMS, Pd/GPTMS, Pd/GO/EETMS, and Pd/GO/GPTMS, are encapsulated into mesoporous (2–10 nm) silica-alginate beads to primarily serve the development of cost-effective catalyst for on-board generation of hydrogen. Major findings involve: (i) the synthesis of porous silica alginate beads, with the controlled pore sizes (2–10 nm) as a function of concentration of alkoxysilanes, (ii) onboard release of hydrogen from the decomposition of hydrazine, which is evaluated as: (1) time-dependent disappearance of the N–N bond stretching band at 1069 $ cm^{−1} $ based on the FTIR spectroscopy, (2) volumetric estimation of the equimolar hydrogen using methylene blue (MB); (3) catalytic reduction of p-nitroaniline (PNA). The decomposition of high concentration of hydrazine is made possible using very low concentration of palladium. On calcination the efficiency of catalysts found to enhance further. The noteworthy finding is probing the hydrogen evolution using FTIR spectroscopy. Hydrogen selectivity of ∼100% is obtained from the most efficient catalyst (Pd/GO/EETMS-623 K). © The Materials Research Society 2017 |
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Mesoporous silica beads encapsulated with functionalized palladium nanocrystallites: Novel catalyst for selective hydrogen evolution |
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