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Hydroxyl-Presenting Metal-Organic Fr...

Nguyen, Huong Giang Thai.

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Hydroxyl-Presenting Metal-Organic Frameworks as Support Platforms for Vanadium- and Titanium-Based Oxidation Catalysts.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Hydroxyl-Presenting Metal-Organic Frameworks as Support Platforms for Vanadium- and Titanium-Based Oxidation Catalysts./
Author:	Nguyen, Huong Giang Thai.
Description:	221 p.
Notes:	Source: Dissertation Abstracts International, Volume: 76-10(E), Section: B.
Contained By:	Dissertation Abstracts International76-10B(E).
Subject:	Analytical chemistry. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3705328
ISBN:	9781321782448

Hydroxyl-Presenting Metal-Organic Frameworks as Support Platforms for Vanadium- and Titanium-Based Oxidation Catalysts.
Nguyen, Huong Giang Thai.

Hydroxyl-Presenting Metal-Organic Frameworks as Support Platforms for Vanadium- and Titanium-Based Oxidation Catalysts. - 221 p.

Source: Dissertation Abstracts International, Volume: 76-10(E), Section: B.

Thesis (Ph.D.)--Northwestern University, 2015.

Heterogeneous catalysts such as supported vanadium oxides have great potential to be developed into economically viable oxidation catalysts if they can exhibit greater selectivity; however, their current syntheses often yield a mixture of species, rendering the analysis of structure-activity relationships for each possible vanadium oxide species difficult and, thus, frustrating efforts to improve catalyst activity and selectivity. To address this issue, two metal-organic framework (MOF) systems possessing well-defined and single-site catecholate supports for monomeric vanadyl species were synthesized and their catalytic activities were tested.

ISBN: 9781321782448Subjects--Topical Terms:

3168300
Analytical chemistry.

Hydroxyl-Presenting Metal-Organic Frameworks as Support Platforms for Vanadium- and Titanium-Based Oxidation Catalysts.
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100 1 $a Nguyen, Huong Giang Thai. $3 3179195
245 1 0 $a Hydroxyl-Presenting Metal-Organic Frameworks as Support Platforms for Vanadium- and Titanium-Based Oxidation Catalysts.
300 $a 221 p.
500 $a Source: Dissertation Abstracts International, Volume: 76-10(E), Section: B.
500 $a Advisers: SonBinh T. Nguyen; Joseph T. Hupp.
502 $a Thesis (Ph.D.)--Northwestern University, 2015.
520 $a Heterogeneous catalysts such as supported vanadium oxides have great potential to be developed into economically viable oxidation catalysts if they can exhibit greater selectivity; however, their current syntheses often yield a mixture of species, rendering the analysis of structure-activity relationships for each possible vanadium oxide species difficult and, thus, frustrating efforts to improve catalyst activity and selectivity. To address this issue, two metal-organic framework (MOF) systems possessing well-defined and single-site catecholate supports for monomeric vanadyl species were synthesized and their catalytic activities were tested.
520 $a Through post-synthesis grafting of catechol-presenting dopamine to the unsaturated Cr centers of MIL-101, followed by metallation with vanadyl ion, vanadyl monocatecholate-functionalized V(dop)-MIL-101 was obtained. V(dop)-MIL-101 can efficiently catalyze the oxidation of an organic sulfide and exhibited tunable selectivity for the sulfoxide product. In an alternative strategy, a series PG-CatBrO (PG = protecting group) paddlewheel MOFs were constructed from ZnII ions, tetracarboxylate struts, and protected catecholate dipyridyl struts, which could be deprotected and subsequently metallated with vanadyl ions to give V-CatBrO MOF. This MOF can catalyze the benzylic oxidation of tetralin to tetralol and tetralone.
520 $a To demonstrate that MOF-based catalysts are viable for gas-phase reactions, a thermally stable hydroxyl-presenting MOF, UiO-66, was explored as a MOF-based support. V-UiO-66 proved to be an effective analogue of hydroxyl-presenting solid supports for VV species in gas-phase oxidation reactions, catalyzing the oxidative dehydrogenation of cyclohexene to benzene at high temperatures (350 °C). Generalization of the metallation of the hydroxyl-presenting nodes of UiO-66 to other redox-active metals, such as titanium, has also allowed other chemical oxidations to be accessed.
590 $a School code: 0163.
650 4 $a Analytical chemistry. $3 3168300
650 4 $a Inorganic chemistry. $3 3173556
650 4 $a Organic chemistry. $3 523952
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690 $a 0490
710 2 0 $a Northwestern University. $b Chemistry. $3 1030729
773 0 $t Dissertation Abstracts International $g 76-10B(E).
790 $a 0163
791 $a Ph.D.
792 $a 2015
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3705328