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Hybrid Materials Based on a Terpyridine Carboxylate Ligand: A Method for Introducing Light Harvesting and Auxiliary Metal Centers into Metal-Organic Frameworks

Norton, George K (2009) Hybrid Materials Based on a Terpyridine Carboxylate Ligand: A Method for Introducing Light Harvesting and Auxiliary Metal Centers into Metal-Organic Frameworks. Master's Thesis, University of Pittsburgh. (Unpublished)

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Abstract

Metal-organic frameworks (MOFs) are attractive canditates for hydrogen storage and photovoltaic applications owing to their extremely high surface area (often exceeding 1,000 m2/g), and tunable chemical functionality.[1-3] Although the hydrogen storage capacity of MOFs has been extensively explored, the design of MOFs for photovoltaic applications is still in its infancy. In this work, a method for introducing light-harvesting and auxiliary metal centers (for hydrogen storage) into metal-organic frameworks is proposed. Toward this goal, nine metal-organic materials based on 4'-(4-carboxyphenyl)-2,2':6',2"-terpyridine[4] (HL) were synthesized and structurally characterized by single crystal X-ray diffraction. Two of these materials which exhibit channels greater than one nanometer in diameter were fully characterized by TGA, EA, and PXRD. Additionally, a number of discrete [M(L)2] complexes were synthesized and the photoactive ruthenium complex, [Ru(HL)2][PF6]2, was reacted with metal salts under solvothermal conditions. Evidence is presented which indicates the air-sensitive crystals produced by reaction of this complex with zinc(II) ions in N,N-dimethylformamide have the same topology as the large-pore metal-organic framework, MOF-5.[5] Further studies to reveal the potential of this type of material in photocells are proposed.


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Details

Item Type: University of Pittsburgh ETD
Status: Unpublished
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Norton, George Kgkn5@pitt.edu; gknorton@gmail.comGKN5
ETD Committee:
TitleMemberEmail AddressPitt UsernameORCID
Committee ChairRosi, Nathaniel Lnrosi@pitt.eduNROSI
Committee MemberWaldeck, David Hdave@pitt.eduDAVE
Committee MemberChapman, Toby Mtchapman@pitt.eduTCHAPMAN
Date: 29 September 2009
Date Type: Completion
Defense Date: 10 December 2008
Approval Date: 29 September 2009
Submission Date: 29 November 2008
Access Restriction: 5 year -- Restrict access to University of Pittsburgh for a period of 5 years.
Institution: University of Pittsburgh
Schools and Programs: Dietrich School of Arts and Sciences > Chemistry
Degree: MS - Master of Science
Thesis Type: Master's Thesis
Refereed: Yes
Uncontrolled Keywords: hydrogen storage; photovoltaics; solar cell
Other ID: http://etd.library.pitt.edu/ETD/available/etd-11292008-184758/, etd-11292008-184758
Date Deposited: 10 Nov 2011 20:06
Last Modified: 15 Nov 2016 13:52
URI: http://d-scholarship.pitt.edu/id/eprint/9856

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