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INTRAMOLECULARLY SENSITIZED PRECIPITONS: APPLICATION TO METAL SEQUESTRATION

Ams, Mark R. (2005) INTRAMOLECULARLY SENSITIZED PRECIPITONS: APPLICATION TO METAL SEQUESTRATION. Master's Thesis, University of Pittsburgh. (Unpublished)

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Abstract

It has been demonstrated previously that precipitons can be successfully utilized in the area of chemical synthesis. Herein, we describe the properties of precipitons attached to metal complexes. Our preliminary studies show that the rate of an intermolecularly sensitized precipiton obeys first-order kinetics. A microcrystal suspension forms during the reaction, and we are interested in learning more about this process. To demonstrate intramolecular energy transfer, two new precipitons were designed, synthesized, and characterized. They represented two types of triplet energy transfer: Forster and Dexter. The Forster precipiton (10 uM solution) reached a photostationary state within two minutes when irradiated with visible light. In contrast, intermolecular sensitization (10 uM precipiton + 10 uM Ru(bpy)3Cl2) proceeded approximately ten times more slowly. What we have learned will be useful for metal sequestration applications.

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Details

Item Type: University of Pittsburgh ETD
Status: Unpublished
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Ams, Mark R.maa6@pitt.eduMAA6
ETD Committee:
TitleMemberEmail AddressPitt UsernameORCID
Committee MemberWilcox, Craigdaylite@pitt.eduDAYLITE
Committee MemberCurran, Denniscurran@pitt.eduCURRAN
Committee MemberPetoud, Stephanespetoud@pitt.eduSPETOUD
Date: 7 June 2005
Date Type: Completion
Defense Date: 30 November 2004
Approval Date: 7 June 2005
Submission Date: 28 February 2005
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
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: charge transfer; isomerization; metal scavenging; phase tag
Other ID: http://etd.library.pitt.edu/ETD/available/etd-02282005-114931/, etd-02282005-114931
Date Deposited: 10 Nov 2011 19:31
Last Modified: 15 Nov 2016 13:36
URI: http://d-scholarship.pitt.edu/id/eprint/6417

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