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(Unpublished)
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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| Item Type: |
University of Pittsburgh ETD
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| Status: |
Unpublished |
| Creators/Authors: |
|
| ETD Committee: |
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| 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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