Understanding the role of Zn

We investigated the effect of Zn2+ treatment on the exfoliation of layered silicate magadiite, as a model system, to better understand the role of zinc in surfactant-free zeolite exfoliation. Samples of magadiite and ball-milled magadiite were exfoliated via treatment with aqueous Zn(NO3)2 solution,...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Okrut, Alexander [verfasserIn] Grosso-Giordano, Nicolás A. [verfasserIn] Schöttle, Christian [verfasserIn] Zones, Stacey [verfasserIn] Katz, Alexander [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2019

Schlagwörter:	Magadiite Delamination mechanism Exfoliation Zinc-oxide nanoparticles

Übergeordnetes Werk:	Enthalten in: Microporous and mesoporous materials - Amsterdam [u.a.] : Elsevier, 1998, 283, Seite 55-63
Übergeordnetes Werk:	volume:283 ; pages:55-63

DOI / URN:	10.1016/j.micromeso.2019.03.048

Katalog-ID:	ELV002115298

Internformat


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520			\|a We investigated the effect of Zn2+ treatment on the exfoliation of layered silicate magadiite, as a model system, to better understand the role of zinc in surfactant-free zeolite exfoliation. Samples of magadiite and ball-milled magadiite were exfoliated via treatment with aqueous Zn(NO3)2 solution, and the resulting materials were characterized via powder X-ray diffraction, nitrogen physisorption, high-angle annular dark-field scanning transmission electron microscopy, and infrared spectroscopy. Zn2+ treatment of magadiite increases its external surface area by 40%, while Zn2+ treatment of ball-milled magadiite increases its external surface area by 109%. Acid-washing removes Zn(O)x(OH)y colloids and further increases external surface area, leading to a total surface area increase of 150% for magadiite after Zn2+ treatment and acid-washing, and 182% for ball-milled magadiite after Zn2+ treatment and acid-washing, by exposing surface area that was not accessible after Zn2+ treatment due to pore blocking. We propose a mechanism of exfoliation to account for these surface-area increases, which involves the Zn(O)x(OH)y colloids growing and forcing layers apart selectively at the grain boundaries. Ball milling not only makes existing grain boundaries more accessible, but it also creates new grain boundaries, resulting in more efficient exfoliation.
650		4	\|a Magadiite
650		4	\|a Delamination mechanism
650		4	\|a Exfoliation
650		4	\|a Zinc-oxide nanoparticles
700	1		\|a Grosso-Giordano, Nicolás A. \|e verfasserin \|4 aut
700	1		\|a Schöttle, Christian \|e verfasserin \|4 aut
700	1		\|a Zones, Stacey \|e verfasserin \|4 aut
700	1		\|a Katz, Alexander \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Microporous and mesoporous materials \|d Amsterdam [u.a.] : Elsevier, 1998 \|g 283, Seite 55-63 \|h Online-Ressource \|w (DE-627)318368277 \|w (DE-600)2012505-7 \|w (DE-576)09529998X \|x 1387-1811 \|7 nnns
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936	b	k	\|a 38.30 \|j Mineralogie
936	b	k	\|a 35.68 \|j Organische Verbindungen: Sonstiges
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936	b	k	\|a 35.90 \|j Festkörperchemie
936	b	k	\|a 51.45 \|j Werkstoffe mit besonderen Eigenschaften
951			\|a AR
952			\|d 283 \|h 55-63

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bklnumber	38.30 35.68 33.61 35.90 51.45
publishDate	2019
allfields	10.1016/j.micromeso.2019.03.048 doi (DE-627)ELV002115298 (ELSEVIER)S1387-1811(19)30196-9 DE-627 ger DE-627 rda eng 530 DE-600 38.30 bkl 35.68 bkl 33.61 bkl 35.90 bkl 51.45 bkl Okrut, Alexander verfasserin (orcid)0000-0002-0689-4346 aut Understanding the role of Zn 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We investigated the effect of Zn2+ treatment on the exfoliation of layered silicate magadiite, as a model system, to better understand the role of zinc in surfactant-free zeolite exfoliation. Samples of magadiite and ball-milled magadiite were exfoliated via treatment with aqueous Zn(NO3)2 solution, and the resulting materials were characterized via powder X-ray diffraction, nitrogen physisorption, high-angle annular dark-field scanning transmission electron microscopy, and infrared spectroscopy. Zn2+ treatment of magadiite increases its external surface area by 40%, while Zn2+ treatment of ball-milled magadiite increases its external surface area by 109%. Acid-washing removes Zn(O)x(OH)y colloids and further increases external surface area, leading to a total surface area increase of 150% for magadiite after Zn2+ treatment and acid-washing, and 182% for ball-milled magadiite after Zn2+ treatment and acid-washing, by exposing surface area that was not accessible after Zn2+ treatment due to pore blocking. We propose a mechanism of exfoliation to account for these surface-area increases, which involves the Zn(O)x(OH)y colloids growing and forcing layers apart selectively at the grain boundaries. Ball milling not only makes existing grain boundaries more accessible, but it also creates new grain boundaries, resulting in more efficient exfoliation. Magadiite Delamination mechanism Exfoliation Zinc-oxide nanoparticles Grosso-Giordano, Nicolás A. verfasserin aut Schöttle, Christian verfasserin aut Zones, Stacey verfasserin aut Katz, Alexander verfasserin aut Enthalten in Microporous and mesoporous materials Amsterdam [u.a.] : Elsevier, 1998 283, Seite 55-63 Online-Ressource (DE-627)318368277 (DE-600)2012505-7 (DE-576)09529998X 1387-1811 nnns volume:283 pages:55-63 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 38.30 Mineralogie 35.68 Organische Verbindungen: Sonstiges 33.61 Festkörperphysik 35.90 Festkörperchemie 51.45 Werkstoffe mit besonderen Eigenschaften AR 283 55-63
spelling	10.1016/j.micromeso.2019.03.048 doi (DE-627)ELV002115298 (ELSEVIER)S1387-1811(19)30196-9 DE-627 ger DE-627 rda eng 530 DE-600 38.30 bkl 35.68 bkl 33.61 bkl 35.90 bkl 51.45 bkl Okrut, Alexander verfasserin (orcid)0000-0002-0689-4346 aut Understanding the role of Zn 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We investigated the effect of Zn2+ treatment on the exfoliation of layered silicate magadiite, as a model system, to better understand the role of zinc in surfactant-free zeolite exfoliation. Samples of magadiite and ball-milled magadiite were exfoliated via treatment with aqueous Zn(NO3)2 solution, and the resulting materials were characterized via powder X-ray diffraction, nitrogen physisorption, high-angle annular dark-field scanning transmission electron microscopy, and infrared spectroscopy. Zn2+ treatment of magadiite increases its external surface area by 40%, while Zn2+ treatment of ball-milled magadiite increases its external surface area by 109%. Acid-washing removes Zn(O)x(OH)y colloids and further increases external surface area, leading to a total surface area increase of 150% for magadiite after Zn2+ treatment and acid-washing, and 182% for ball-milled magadiite after Zn2+ treatment and acid-washing, by exposing surface area that was not accessible after Zn2+ treatment due to pore blocking. We propose a mechanism of exfoliation to account for these surface-area increases, which involves the Zn(O)x(OH)y colloids growing and forcing layers apart selectively at the grain boundaries. Ball milling not only makes existing grain boundaries more accessible, but it also creates new grain boundaries, resulting in more efficient exfoliation. Magadiite Delamination mechanism Exfoliation Zinc-oxide nanoparticles Grosso-Giordano, Nicolás A. verfasserin aut Schöttle, Christian verfasserin aut Zones, Stacey verfasserin aut Katz, Alexander verfasserin aut Enthalten in Microporous and mesoporous materials Amsterdam [u.a.] : Elsevier, 1998 283, Seite 55-63 Online-Ressource (DE-627)318368277 (DE-600)2012505-7 (DE-576)09529998X 1387-1811 nnns volume:283 pages:55-63 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 38.30 Mineralogie 35.68 Organische Verbindungen: Sonstiges 33.61 Festkörperphysik 35.90 Festkörperchemie 51.45 Werkstoffe mit besonderen Eigenschaften AR 283 55-63
allfields_unstemmed	10.1016/j.micromeso.2019.03.048 doi (DE-627)ELV002115298 (ELSEVIER)S1387-1811(19)30196-9 DE-627 ger DE-627 rda eng 530 DE-600 38.30 bkl 35.68 bkl 33.61 bkl 35.90 bkl 51.45 bkl Okrut, Alexander verfasserin (orcid)0000-0002-0689-4346 aut Understanding the role of Zn 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We investigated the effect of Zn2+ treatment on the exfoliation of layered silicate magadiite, as a model system, to better understand the role of zinc in surfactant-free zeolite exfoliation. Samples of magadiite and ball-milled magadiite were exfoliated via treatment with aqueous Zn(NO3)2 solution, and the resulting materials were characterized via powder X-ray diffraction, nitrogen physisorption, high-angle annular dark-field scanning transmission electron microscopy, and infrared spectroscopy. Zn2+ treatment of magadiite increases its external surface area by 40%, while Zn2+ treatment of ball-milled magadiite increases its external surface area by 109%. Acid-washing removes Zn(O)x(OH)y colloids and further increases external surface area, leading to a total surface area increase of 150% for magadiite after Zn2+ treatment and acid-washing, and 182% for ball-milled magadiite after Zn2+ treatment and acid-washing, by exposing surface area that was not accessible after Zn2+ treatment due to pore blocking. We propose a mechanism of exfoliation to account for these surface-area increases, which involves the Zn(O)x(OH)y colloids growing and forcing layers apart selectively at the grain boundaries. Ball milling not only makes existing grain boundaries more accessible, but it also creates new grain boundaries, resulting in more efficient exfoliation. Magadiite Delamination mechanism Exfoliation Zinc-oxide nanoparticles Grosso-Giordano, Nicolás A. verfasserin aut Schöttle, Christian verfasserin aut Zones, Stacey verfasserin aut Katz, Alexander verfasserin aut Enthalten in Microporous and mesoporous materials Amsterdam [u.a.] : Elsevier, 1998 283, Seite 55-63 Online-Ressource (DE-627)318368277 (DE-600)2012505-7 (DE-576)09529998X 1387-1811 nnns volume:283 pages:55-63 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 38.30 Mineralogie 35.68 Organische Verbindungen: Sonstiges 33.61 Festkörperphysik 35.90 Festkörperchemie 51.45 Werkstoffe mit besonderen Eigenschaften AR 283 55-63
allfieldsGer	10.1016/j.micromeso.2019.03.048 doi (DE-627)ELV002115298 (ELSEVIER)S1387-1811(19)30196-9 DE-627 ger DE-627 rda eng 530 DE-600 38.30 bkl 35.68 bkl 33.61 bkl 35.90 bkl 51.45 bkl Okrut, Alexander verfasserin (orcid)0000-0002-0689-4346 aut Understanding the role of Zn 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We investigated the effect of Zn2+ treatment on the exfoliation of layered silicate magadiite, as a model system, to better understand the role of zinc in surfactant-free zeolite exfoliation. Samples of magadiite and ball-milled magadiite were exfoliated via treatment with aqueous Zn(NO3)2 solution, and the resulting materials were characterized via powder X-ray diffraction, nitrogen physisorption, high-angle annular dark-field scanning transmission electron microscopy, and infrared spectroscopy. Zn2+ treatment of magadiite increases its external surface area by 40%, while Zn2+ treatment of ball-milled magadiite increases its external surface area by 109%. Acid-washing removes Zn(O)x(OH)y colloids and further increases external surface area, leading to a total surface area increase of 150% for magadiite after Zn2+ treatment and acid-washing, and 182% for ball-milled magadiite after Zn2+ treatment and acid-washing, by exposing surface area that was not accessible after Zn2+ treatment due to pore blocking. We propose a mechanism of exfoliation to account for these surface-area increases, which involves the Zn(O)x(OH)y colloids growing and forcing layers apart selectively at the grain boundaries. Ball milling not only makes existing grain boundaries more accessible, but it also creates new grain boundaries, resulting in more efficient exfoliation. Magadiite Delamination mechanism Exfoliation Zinc-oxide nanoparticles Grosso-Giordano, Nicolás A. verfasserin aut Schöttle, Christian verfasserin aut Zones, Stacey verfasserin aut Katz, Alexander verfasserin aut Enthalten in Microporous and mesoporous materials Amsterdam [u.a.] : Elsevier, 1998 283, Seite 55-63 Online-Ressource (DE-627)318368277 (DE-600)2012505-7 (DE-576)09529998X 1387-1811 nnns volume:283 pages:55-63 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 38.30 Mineralogie 35.68 Organische Verbindungen: Sonstiges 33.61 Festkörperphysik 35.90 Festkörperchemie 51.45 Werkstoffe mit besonderen Eigenschaften AR 283 55-63
allfieldsSound	10.1016/j.micromeso.2019.03.048 doi (DE-627)ELV002115298 (ELSEVIER)S1387-1811(19)30196-9 DE-627 ger DE-627 rda eng 530 DE-600 38.30 bkl 35.68 bkl 33.61 bkl 35.90 bkl 51.45 bkl Okrut, Alexander verfasserin (orcid)0000-0002-0689-4346 aut Understanding the role of Zn 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We investigated the effect of Zn2+ treatment on the exfoliation of layered silicate magadiite, as a model system, to better understand the role of zinc in surfactant-free zeolite exfoliation. Samples of magadiite and ball-milled magadiite were exfoliated via treatment with aqueous Zn(NO3)2 solution, and the resulting materials were characterized via powder X-ray diffraction, nitrogen physisorption, high-angle annular dark-field scanning transmission electron microscopy, and infrared spectroscopy. Zn2+ treatment of magadiite increases its external surface area by 40%, while Zn2+ treatment of ball-milled magadiite increases its external surface area by 109%. Acid-washing removes Zn(O)x(OH)y colloids and further increases external surface area, leading to a total surface area increase of 150% for magadiite after Zn2+ treatment and acid-washing, and 182% for ball-milled magadiite after Zn2+ treatment and acid-washing, by exposing surface area that was not accessible after Zn2+ treatment due to pore blocking. We propose a mechanism of exfoliation to account for these surface-area increases, which involves the Zn(O)x(OH)y colloids growing and forcing layers apart selectively at the grain boundaries. Ball milling not only makes existing grain boundaries more accessible, but it also creates new grain boundaries, resulting in more efficient exfoliation. Magadiite Delamination mechanism Exfoliation Zinc-oxide nanoparticles Grosso-Giordano, Nicolás A. verfasserin aut Schöttle, Christian verfasserin aut Zones, Stacey verfasserin aut Katz, Alexander verfasserin aut Enthalten in Microporous and mesoporous materials Amsterdam [u.a.] : Elsevier, 1998 283, Seite 55-63 Online-Ressource (DE-627)318368277 (DE-600)2012505-7 (DE-576)09529998X 1387-1811 nnns volume:283 pages:55-63 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 38.30 Mineralogie 35.68 Organische Verbindungen: Sonstiges 33.61 Festkörperphysik 35.90 Festkörperchemie 51.45 Werkstoffe mit besonderen Eigenschaften AR 283 55-63
language	English
source	Enthalten in Microporous and mesoporous materials 283, Seite 55-63 volume:283 pages:55-63
sourceStr	Enthalten in Microporous and mesoporous materials 283, Seite 55-63 volume:283 pages:55-63
format_phy_str_mv	Article
bklname	Mineralogie Organische Verbindungen: Sonstiges Festkörperphysik Festkörperchemie Werkstoffe mit besonderen Eigenschaften
institution	findex.gbv.de
topic_facet	Magadiite Delamination mechanism Exfoliation Zinc-oxide nanoparticles
dewey-raw	530
isfreeaccess_bool	false
container_title	Microporous and mesoporous materials
authorswithroles_txt_mv	Okrut, Alexander @@aut@@ Grosso-Giordano, Nicolás A. @@aut@@ Schöttle, Christian @@aut@@ Zones, Stacey @@aut@@ Katz, Alexander @@aut@@
publishDateDaySort_date	2019-01-01T00:00:00Z
hierarchy_top_id	318368277
dewey-sort	3530
id	ELV002115298
language_de	englisch
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author	Okrut, Alexander
spellingShingle	Okrut, Alexander ddc 530 bkl 38.30 bkl 35.68 bkl 33.61 bkl 35.90 bkl 51.45 misc Magadiite misc Delamination mechanism misc Exfoliation misc Zinc-oxide nanoparticles Understanding the role of Zn
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topic_title	530 DE-600 38.30 bkl 35.68 bkl 33.61 bkl 35.90 bkl 51.45 bkl Understanding the role of Zn Magadiite Delamination mechanism Exfoliation Zinc-oxide nanoparticles
topic	ddc 530 bkl 38.30 bkl 35.68 bkl 33.61 bkl 35.90 bkl 51.45 misc Magadiite misc Delamination mechanism misc Exfoliation misc Zinc-oxide nanoparticles
topic_unstemmed	ddc 530 bkl 38.30 bkl 35.68 bkl 33.61 bkl 35.90 bkl 51.45 misc Magadiite misc Delamination mechanism misc Exfoliation misc Zinc-oxide nanoparticles
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title	Understanding the role of Zn
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title_full	Understanding the role of Zn
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title_sort	understanding the role of zn
title_auth	Understanding the role of Zn
abstract	We investigated the effect of Zn2+ treatment on the exfoliation of layered silicate magadiite, as a model system, to better understand the role of zinc in surfactant-free zeolite exfoliation. Samples of magadiite and ball-milled magadiite were exfoliated via treatment with aqueous Zn(NO3)2 solution, and the resulting materials were characterized via powder X-ray diffraction, nitrogen physisorption, high-angle annular dark-field scanning transmission electron microscopy, and infrared spectroscopy. Zn2+ treatment of magadiite increases its external surface area by 40%, while Zn2+ treatment of ball-milled magadiite increases its external surface area by 109%. Acid-washing removes Zn(O)x(OH)y colloids and further increases external surface area, leading to a total surface area increase of 150% for magadiite after Zn2+ treatment and acid-washing, and 182% for ball-milled magadiite after Zn2+ treatment and acid-washing, by exposing surface area that was not accessible after Zn2+ treatment due to pore blocking. We propose a mechanism of exfoliation to account for these surface-area increases, which involves the Zn(O)x(OH)y colloids growing and forcing layers apart selectively at the grain boundaries. Ball milling not only makes existing grain boundaries more accessible, but it also creates new grain boundaries, resulting in more efficient exfoliation.
abstractGer	We investigated the effect of Zn2+ treatment on the exfoliation of layered silicate magadiite, as a model system, to better understand the role of zinc in surfactant-free zeolite exfoliation. Samples of magadiite and ball-milled magadiite were exfoliated via treatment with aqueous Zn(NO3)2 solution, and the resulting materials were characterized via powder X-ray diffraction, nitrogen physisorption, high-angle annular dark-field scanning transmission electron microscopy, and infrared spectroscopy. Zn2+ treatment of magadiite increases its external surface area by 40%, while Zn2+ treatment of ball-milled magadiite increases its external surface area by 109%. Acid-washing removes Zn(O)x(OH)y colloids and further increases external surface area, leading to a total surface area increase of 150% for magadiite after Zn2+ treatment and acid-washing, and 182% for ball-milled magadiite after Zn2+ treatment and acid-washing, by exposing surface area that was not accessible after Zn2+ treatment due to pore blocking. We propose a mechanism of exfoliation to account for these surface-area increases, which involves the Zn(O)x(OH)y colloids growing and forcing layers apart selectively at the grain boundaries. Ball milling not only makes existing grain boundaries more accessible, but it also creates new grain boundaries, resulting in more efficient exfoliation.
abstract_unstemmed	We investigated the effect of Zn2+ treatment on the exfoliation of layered silicate magadiite, as a model system, to better understand the role of zinc in surfactant-free zeolite exfoliation. Samples of magadiite and ball-milled magadiite were exfoliated via treatment with aqueous Zn(NO3)2 solution, and the resulting materials were characterized via powder X-ray diffraction, nitrogen physisorption, high-angle annular dark-field scanning transmission electron microscopy, and infrared spectroscopy. Zn2+ treatment of magadiite increases its external surface area by 40%, while Zn2+ treatment of ball-milled magadiite increases its external surface area by 109%. Acid-washing removes Zn(O)x(OH)y colloids and further increases external surface area, leading to a total surface area increase of 150% for magadiite after Zn2+ treatment and acid-washing, and 182% for ball-milled magadiite after Zn2+ treatment and acid-washing, by exposing surface area that was not accessible after Zn2+ treatment due to pore blocking. We propose a mechanism of exfoliation to account for these surface-area increases, which involves the Zn(O)x(OH)y colloids growing and forcing layers apart selectively at the grain boundaries. Ball milling not only makes existing grain boundaries more accessible, but it also creates new grain boundaries, resulting in more efficient exfoliation.
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title_short	Understanding the role of Zn
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author2	Grosso-Giordano, Nicolás A. Schöttle, Christian Zones, Stacey Katz, Alexander
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up_date	2024-07-06T23:40:00.064Z
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score	7.398712

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Understanding the role of Zn

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