New architectures for integrated photoelectrochemical systems. Final report, Sept. 1998 - Dec. 2001

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During the three year grant period, significant progress has been made toward the accomplishment of each of the goals outlined in the original proposal. The budget proposed for the project was also expended fully, as originally projected. In accord with these objectives, we have prepared an array of new macromolecules and supramolecular aggregates in which a light-sensitive organic group initiates long range photoinduced electron transfer in this designed heterogeneous environment. In doing so, we have developed several new synthetic methodologies for accurate spatial definition of these polymeric arrays on a nanometer to micrometer scale. We have used these integrated materials ... continued below

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12 p.

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Fox, Marye Anne March 31, 2002.

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Description

During the three year grant period, significant progress has been made toward the accomplishment of each of the goals outlined in the original proposal. The budget proposed for the project was also expended fully, as originally projected. In accord with these objectives, we have prepared an array of new macromolecules and supramolecular aggregates in which a light-sensitive organic group initiates long range photoinduced electron transfer in this designed heterogeneous environment. In doing so, we have developed several new synthetic methodologies for accurate spatial definition of these polymeric arrays on a nanometer to micrometer scale. We have used these integrated materials to define the photophysical principles that control vectorial energy and electron migration over distances that are large compared with the dimensions of most small molecules. By attaching these same molecules to the surface of a metal or semiconductor electrode, we have obtained chemically modified surfaces that function as efficient vehicles for conversion of incident photons to chemical or electrical energy. Thus, we have investigated: (1) the synthesis and characterization of new polymeric and supramolecular arrays for directional electron transfer; (2) new techniques for optical imaging in self-assembled monolayers on metals (mostly gold); and (3) fundamental principles that govern long range electronic coupling along rigid molecular backbones.

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12 p.

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OSTI as DE00803352

Medium: P; Size: 12 pages

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  • Other Information: PBD: 31 Mar 2002

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  • Report No.: NONE
  • Grant Number: FG03-94ER14471
  • Grant Number: FG02-98ER14901
  • DOI: 10.2172/803352 | External Link
  • Office of Scientific & Technical Information Report Number: 803352
  • Archival Resource Key: ark:/67531/metadc743145

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  • March 31, 2002

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  • Oct. 19, 2015, 7:39 p.m.

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  • April 6, 2017, 8:05 p.m.

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Fox, Marye Anne. New architectures for integrated photoelectrochemical systems. Final report, Sept. 1998 - Dec. 2001, report, March 31, 2002; United States. (digital.library.unt.edu/ark:/67531/metadc743145/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.