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Charge transfer porphyrin functional...

Stromberg, Jonathan.

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Charge transfer porphyrin functionalized titanium dioxide interfaces.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Charge transfer porphyrin functionalized titanium dioxide interfaces./
作者:	Stromberg, Jonathan.
面頁冊數:	194 p.
附註:	Adviser: Gerald J. Meyer.
Contained By:	Dissertation Abstracts International68-11B.
標題:	Chemistry, Inorganic. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3288539
ISBN:	9780549312673

Charge transfer porphyrin functionalized titanium dioxide interfaces.
Stromberg, Jonathan.

Charge transfer porphyrin functionalized titanium dioxide interfaces. - 194 p.

Adviser: Gerald J. Meyer.

Thesis (Ph.D.)--The Johns Hopkins University, 2008.

The work presented in this thesis is aimed at understanding charge transfer at porphyrin functionalized TiO2 interfaces. Chapter 1 presents a brief overview of molecular approached to solar energy conversion and introduces the reader to the components, mechanisms and characterization techniques relevant to dye-sensitized solar cells (DSSC) and reductive dehalogenation of organohalide pollutants in groundwater. Chapter 2 describes theoretical considerations for supramolecular sensitization of planar semiconductors utilizing porphyrin arrays. In Chapter 3 we examine the potential of utilizing trans Ru polypyridyl compounds for sensitization of nanocrystalline TiO 2. In Chapter 4 the performance of five tetrapyrrole molecules as sensitizers in regenerative solar cells was evaluated. In Chapter 5 the preparation of a new porphyrin sensitizer with all four of the pyrrole nitrogens protonated has been achieved. This molecule, due to the increased spectral overlap and high conversion efficiencies, represents a new direction for the design of organic sensitizers for use in efficient photovoltaic cells. Chapter 6 examines the effect surface functionalization had on carbon monoxide (CO) equilibrium coordination kinetics. In Chapter 7 we examine the reactivity of hemin, (chloro(protoporhyrinato)iron(III)), on the surface of TiO2 with organohalides in the presence of methanol.

ISBN: 9780549312673Subjects--Topical Terms:

517253
Chemistry, Inorganic.

Charge transfer porphyrin functionalized titanium dioxide interfaces.
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502 $a Thesis (Ph.D.)--The Johns Hopkins University, 2008.
520 $a The work presented in this thesis is aimed at understanding charge transfer at porphyrin functionalized TiO2 interfaces. Chapter 1 presents a brief overview of molecular approached to solar energy conversion and introduces the reader to the components, mechanisms and characterization techniques relevant to dye-sensitized solar cells (DSSC) and reductive dehalogenation of organohalide pollutants in groundwater. Chapter 2 describes theoretical considerations for supramolecular sensitization of planar semiconductors utilizing porphyrin arrays. In Chapter 3 we examine the potential of utilizing trans Ru polypyridyl compounds for sensitization of nanocrystalline TiO 2. In Chapter 4 the performance of five tetrapyrrole molecules as sensitizers in regenerative solar cells was evaluated. In Chapter 5 the preparation of a new porphyrin sensitizer with all four of the pyrrole nitrogens protonated has been achieved. This molecule, due to the increased spectral overlap and high conversion efficiencies, represents a new direction for the design of organic sensitizers for use in efficient photovoltaic cells. Chapter 6 examines the effect surface functionalization had on carbon monoxide (CO) equilibrium coordination kinetics. In Chapter 7 we examine the reactivity of hemin, (chloro(protoporhyrinato)iron(III)), on the surface of TiO2 with organohalides in the presence of methanol.
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