Microporous titanosilicate ETS-10: A structural survey

Anderson, Michael W.; Terasaki, Osamu; Ohsuna, Tetsu; Malley, P. J. O.; Philippou, Andreas; Mackay, Simon P.; Ferreira, Artur; Rocha, João; Lidin, Sven

doi:10.1080/01418639508243589

Cited by 236 publications

(235 citation statements)

References 9 publications

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“…Stacking fault Rietveld refinement will allow the accurate cation distributions, detailed structural information and quantitative analysis of inoperando systems needed for full understanding of their chemistry. Similar faulting precludes detailed structural studies of a range of important zeolites [37][38][39][40][41][42][43][44] . Other areas likely to benefit include materials with low temperature topotactic transformations 77 , intercalation/ion-exchange hosts, a variety of layered minerals 78 , and understanding the details and implications of hexagonal/cubic intergrowths in different forms of ice 50,51 .…”

Section: Discussionmentioning

confidence: 99%

“…29 Examples include a wide range of battery materials [30][31][32][33][34][35][36] , zeolites [37][38][39][40][41][42][43][44] , metals 45,46 , clays 47,48 , diamond 49,50 , ice 50, 51 , nitrides [52][53][54] , carbides [55][56][57] , catalysts 58 , layered hydroxides and other intercalation/ion-exchange hosts [59][60][61][62] . The Rietveld method we describe will be applicable to all these systems and will allow detailed and precise information to be obtained on the structure of individual phases and quantification of phase mixtures and their evolution in operando.…”

Section: Introductionmentioning

confidence: 99%

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3D Transition Metal Ordering and Rietveld Stacking Fault Quantification in the New Oxychalcogenides La₂O₂Cu_2–4xCd_2xSe₂

et al. 2016

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. (2016) '3D transition metal ordering and Rietveld stacking fault quantication in the new oxychalcogenides La2O2Cu24xCd2xSe2.', Chemistry of materials., 28 (9). pp. 3184-3195. Further information on publisher's website:http://dx.doi.org/10.1021/acs.chemmater.6b00924 Publisher's copyright statement: This document is the Accepted Manuscript version of a Published Work that appeared in nal form in Chemistry of Materials, copyright c American Chemical Society after peer review and technical editing by the publisher. To access the nal edited and published work see http://dx.doi.org/10.1021/acs.chemmater.6b00924].Additional information: Use policyThe full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-prot purposes provided that:• a full bibliographic reference is made to the original source • a link is made to the metadata record in DRO • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders.Please consult the full DRO policy for further details. 1+ and Cd 2+ ions segregate into distinct fully occupied and half occupied checkerboard-like layers respectively, leading to complex long-range superstructures in the 3rd (stacking) dimension. To understand the structure and microstructure of these new materials we have developed and implemented a new methodology for studying low and high probability stacking faults using a Rietveldcompatible supercell approach capable of analyzing systems with thousands of layers. We believe this method will be widely applicable.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

3D Transition Metal Ordering and Rietveld Stacking Fault Quantification in the New Oxychalcogenides La₂O₂Cu_2–4xCd_2xSe₂

et al. 2016

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“…The synthesized ETS-10 titanosilicate exhibited the typical morphology of the crystals in the form of truncated bipyramids with a particle sizes in the range of 400-500 nm Titanosilicate Ti atoms are octahedrally connected to four Si and two Ti atoms through oxygen bonds, giving rise to a three-dimensional structure with a significant degree of disorder [5]. The disordered material can be described by two ordered polymorphs, arranged in layers.…”

Section: Characterization Of La(x)ets-10 Supportsmentioning

confidence: 99%

“…Additionally, by functionalizing its structure, it is possible to modify its catalytic properties and adsorption isomorphic substitution, or its high ion exchange capacity, hydrophilicity and basicity [3,4,5].…”

Section: Introductionmentioning

confidence: 99%

Influence of La incorporation on the catalytic activity of Ru/ETS-10 catalysts for hydrogen production

Faroldi

Irusta

Cornaglia

2015

Applied Catalysis A: General

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The incorporation of lanthanum on ETS-10 titanosilicate and its influence on the catalytic activity of Ru catalysts for the dry reforming of methane reaction were studied.The catalysts were prepared through ion exchange of ETS-10 using different lanthanum solution concentrations (0.1, 0.2 and 0.4 % wt of La 2 O 3 ). The Ru loading was 0.6 wt.% for all catalysts. The methane reaction rates for Ru/LaETS-10 catalysts showed an increase in comparison with Ru/ETS-10. This could be related to the lanthanum participation in the reaction mechanism. Moreover, all the formulations were stable after 70 h on stream.In order to study the effect of lanthanum exchange in the structure of ETS-10 supports, the solids were characterized by BET, XRD, TEM, FTIR XPS, and Laser Raman spectroscopy.The relative crystallinities were lower than 80%, indicating that the La exchange could have an important effect on the crystalline structure of ETS-10, in agreement with Raman and FTIR results.The surface Ru/Ti ratio determined by XPS was higher in the case of Ru/LaETS-10 synthesized with the highest La concentration in the exchange solution. The Na/Ti ratio, measured by XPS and EDX, was lower for the Ru/LaETS-10 catalysts compared with ETS-10 suggesting that La was exchanged in the structure.

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“…The disordered ETS-10 material contains three-dimensional interconnected 12-ring channels and can be described as an intergrowth of two different polytypes A and B (Table 1 and Fig. 18), both are built from the same layer [65,66]. Each layer contains two sets of orthogonal corner-sharing TiO 6 chains and two sets of orthogonal 5-ring SiO 4 chains of tetrahedra that are linked by TiO 6 octahdera.…”

Section: Ets-10mentioning

confidence: 99%

Stacking disorders in zeolites and open-frameworks – structure elucidation and analysis by electron crystallography and X-ray diffraction

Willhammar¹,

Zou²

2013

Zeitschrift für Kristallographie - Crystalline Materials

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Abstract. Intergrowth and stacking disorders are often found in minerals and synthetic zeolites and inorganic openframeworks. Structure elucidation of stacking disorders in these materials have been difficult and structure solution of stacking disorders in unknown zeolites and open-frameworks has been challenging. There exist no standard methods for structure analysis of such disordered materials. In this review we present various stacking disorders and intergrowth in a number of representative zeolite families containing stacking disorders. These include zeolite beta, SSZ-26/SSZ-33, ITQ-39, ABC-6, ZSM-48, SSZ-31, UTD-1, faujasite FAU/EMT, pentasil ZSM-5/ZSM-11, ITQ-13/ITQ-34, ITQ-22/ITQ-38 etc. Stacking disorders in open-frameworks containing mixed coordinations, including titanosilicates ETS-10 and ETS-4, and the silicogermanate SU-JU-14 are also described. Various crystallographic methods used for solving disordered structures are summarized. The methods include powder X-ray diffraction (PXRD), electron diffraction, high resolution transmission electron microscopy (HRTEM), and single-crystal X-ray diffraction. Examples of model building combined with simulations of PXRD and single crystal X-ray diffraction to verify the structure models are given.

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Microporous titanosilicate ETS-10: A structural survey

Cited by 236 publications

References 9 publications

3D Transition Metal Ordering and Rietveld Stacking Fault Quantification in the New Oxychalcogenides La₂O₂Cu_2–4xCd_2xSe₂

3D Transition Metal Ordering and Rietveld Stacking Fault Quantification in the New Oxychalcogenides La₂O₂Cu_2–4xCd_2xSe₂

Influence of La incorporation on the catalytic activity of Ru/ETS-10 catalysts for hydrogen production

Stacking disorders in zeolites and open-frameworks – structure elucidation and analysis by electron crystallography and X-ray diffraction

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Microporous titanosilicate ETS-10: A structural survey

Cited by 236 publications

References 9 publications

3D Transition Metal Ordering and Rietveld Stacking Fault Quantification in the New Oxychalcogenides La2O2Cu2–4xCd2xSe2

3D Transition Metal Ordering and Rietveld Stacking Fault Quantification in the New Oxychalcogenides La2O2Cu2–4xCd2xSe2

Influence of La incorporation on the catalytic activity of Ru/ETS-10 catalysts for hydrogen production

Stacking disorders in zeolites and open-frameworks – structure elucidation and analysis by electron crystallography and X-ray diffraction

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3D Transition Metal Ordering and Rietveld Stacking Fault Quantification in the New Oxychalcogenides La₂O₂Cu_2–4xCd_2xSe₂

3D Transition Metal Ordering and Rietveld Stacking Fault Quantification in the New Oxychalcogenides La₂O₂Cu_2–4xCd_2xSe₂