Publications
Detailed Information
Transformation of Extra-Large Pore Germanosilicate CIT-13 Molecular Sieve into Extra-Large Pore CIT-5 Molecular Sieve
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kang, Jong Hun | - |
dc.contributor.author | Xie, Dan | - |
dc.contributor.author | Zones, Stacey I. | - |
dc.contributor.author | Davis, Mark E. | - |
dc.date.accessioned | 2024-05-20T00:40:04Z | - |
dc.date.available | 2024-05-20T00:40:04Z | - |
dc.date.created | 2024-05-16 | - |
dc.date.issued | 2019-12 | - |
dc.identifier.citation | CHEMISTRY OF MATERIALS, Vol.31 No.23, pp.9777-9787 | - |
dc.identifier.issn | 0897-4756 | - |
dc.identifier.uri | https://hdl.handle.net/10371/203363 | - |
dc.description.abstract | The 14- and 10-membered ring germanosilicate Ge-CIT-13 (*CTH) is transformed into the 14-membered ring germanosilicate Ge-CIT-5 (CFI). The transformation can occur at room temperature but requires the presence of adsorbed water. The *CTH-to-CFI transformation involves rearrangement of germanium-rich double-4-ring units in *CTH to form double-zigzag chains in CFI. The rate of transformation is dependent on the germanium content of the starting Ge-CIT-13 and the humidity of the transforming atmosphere. Other germanosilicates-UTL, IWW, and ITH-do not show this type of transformation because of arrangements of Ge-sites within their d4r units and/or to spatial restrictions regarding the d4r unit arrangement within their interlayer regions. Ge-CIT-5 can be further transformed into 10-membered-ring CIT-15 using ammonium hydroxide solution as the delaminating agent. Postsynthetic alumination of Ge-CIT-5 yielded high-silica CFI-type aluminogermanosilicates having molar Si/Al ratios in the range of 14-230, primarily depending on the acidity of the solution phase. | - |
dc.language | 영어 | - |
dc.publisher | AMER CHEMICAL SOC | - |
dc.title | Transformation of Extra-Large Pore Germanosilicate CIT-13 Molecular Sieve into Extra-Large Pore CIT-5 Molecular Sieve | - |
dc.type | Article | - |
dc.identifier.doi | 10.1021/acs.chemmater.9b03675 | - |
dc.citation.journaltitle | CHEMISTRY OF MATERIALS | - |
dc.identifier.wosid | 000502418000021 | - |
dc.identifier.scopusid | 2-s2.0-85075774236 | - |
dc.citation.endpage | 9787 | - |
dc.citation.number | 23 | - |
dc.citation.startpage | 9777 | - |
dc.citation.volume | 31 | - |
dc.description.isOpenAccess | Y | - |
dc.contributor.affiliatedAuthor | Kang, Jong Hun | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.subject.keywordPlus | POST-SYNTHESIS INCORPORATION | - |
dc.subject.keywordPlus | HIGH-SILICA ZEOLITE | - |
dc.subject.keywordPlus | ITH | - |
dc.subject.keywordPlus | GE | - |
dc.subject.keywordPlus | GERMANIUM | - |
dc.subject.keywordPlus | FRAMEWORK | - |
dc.subject.keywordPlus | STABILIZATION | - |
dc.subject.keywordPlus | SUBSTITUTION | - |
dc.subject.keywordPlus | BEHAVIOR | - |
dc.subject.keywordPlus | UNITS | - |
- Appears in Collections:
- Files in This Item:
- There are no files associated with this item.
Item View & Download Count
Items in S-Space are protected by copyright, with all rights reserved, unless otherwise indicated.