Characterisation of defective silicalites †

Bordiga, Silvia; Roggero, Irene; Ugliengo, Piero; Zecchina, Adriano; Bolis, V.; Artioli, Gilberto; Buzzoni, R.; Marra, Gianluigi; Rivetti, Franco; Spanò, Guido; Lamberti, Carlo

doi:10.1039/b004794p

Cited by 115 publications

(153 citation statements)

References 19 publications

(16 reference statements)

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“…On the basis of the previous considerations it is evident that the 960 cm 1 band, observed in defective silicalites, can be classified as a defect band because it is predominantly associated with internal defects. This explains why this peak is particularly intense in very pure silicalites, 9,10,13 i.e. in silicalites where the Na (and Al) concentration is below 20 ppm.…”

Section: Methodsmentioning

confidence: 88%

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Vibrational Spectroscopy of Zeolites

Zecchina¹,

Spoto²,

Bordiga³

2001

Handbook of Vibrational Spectroscopy

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The sections in this article are The Structure of Zeolites and Zeotype Materials The Vibrational Spectra of Zeolites and of Zeolitic Materials: General Considerations Framework Modes IR Modes Associated with the B rØnsted Groups and their Modifications upon Interaction with Adsorbates The Spectrum of Free B rønsted Groups Modifications Induced by Adsorbates The Vibrational Spectra of Molecules Adsorbed on Charge Balancing Cations Cation and Cation‐Sensitive Modes: Perturbations Induced by Adsorption Vibrational Spectra of Molecules Adsorbed on Strong Lewis Centers Vibrational Spectroscopies in Reaction Dynamics Studies on Zeolites

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Section: Methodsmentioning

confidence: 88%

“…The spectral sequence was obtained at increasing CO equilibrium pressure, ranging from ca. 10 2 Torr (least intense spectrum) up to 10 Torr (most intense spectrum). The band at 2138 cm 1 is due to physisorbed CO. [Reproduced with permission from .…”

Section: The Vibrational Spectra Of Molecules Adsorbed On Charge Balamentioning

confidence: 99%

Vibrational Spectroscopy of Zeolites

Zecchina¹,

Spoto²,

Bordiga³

2001

Handbook of Vibrational Spectroscopy

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“…The different compressibility of the two silicalite samples -which are comparable from the chemical and structural point of view -can be interpreted with the help of the IR data collected on the degased powders [27]. The spectroscopic results (Fig.…”

Section: Elastic Behaviormentioning

confidence: 99%

Elastic behavior of MFI-type zeolites: 3 – Compressibility of silicalite and mutinaite

Quartieri

Arletti

Vezzalini

et al. 2012

Journal of Solid State Chemistry

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“…Specifically, they have been succesful to simulate vibrational features of the Si-OH moiety, 338 the δ( 1 H) and δ( 29 Si) NMR chemical shifts, 339 the adsorption of NH 3 on the isolated 340 and interacting hydrogarnet SiOH sites 341 or to study H 2 O adsorption on external surfaces of zeolite ZSM-5 342 and CH 3 OH on Ca-rich silica surfaces. 343 The advantage of the "cage-like" models over the "tree-like" ones are their natural structural rigidity which avoids the use of geometrical constraints, and the near absence of spurious effects at the core SiOH site due to cluster terminations.…”

Section: Figure 22mentioning

confidence: 99%