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Development of Bi-Based Photoelectro...

Hilbrands, Adam M.

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Development of Bi-Based Photoelectrodes for Solar Fuel and Chemical Production.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Development of Bi-Based Photoelectrodes for Solar Fuel and Chemical Production./
Author:	Hilbrands, Adam M.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2023,
Description:	143 p.
Notes:	Source: Dissertations Abstracts International, Volume: 85-06, Section: B.
Contained By:	Dissertations Abstracts International85-06B.
Subject:	Chemistry. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30819066
ISBN:	9798381171419

Development of Bi-Based Photoelectrodes for Solar Fuel and Chemical Production.
Hilbrands, Adam M.

Development of Bi-Based Photoelectrodes for Solar Fuel and Chemical Production. - Ann Arbor : ProQuest Dissertations & Theses, 2023 - 143 p.

Source: Dissertations Abstracts International, Volume: 85-06, Section: B.

Thesis (Ph.D.)--The University of Wisconsin - Madison, 2023.

This item must not be sold to any third party vendors.

The development of renewable and environmentally benign methods to replace fossil fuel extraction for chemical and fuel production is vital to reduce CO2 emissions and limit the effects of climate change. Solar energy is widely available as a renewable clean energy source. The use of photoelectrochemistry to harness solar energy for chemical and fuel production can decrease society's dependence on fossil fuels and reduce CO2 emissions. The key component of a photoelectrochemical cell is the semiconductor photoelectrode. Bi-based oxide materials have been shown to be effective photoelectrodes due to their small band gaps and excellent charge separation efficiencies. Current areas of research into photoelectrodes include new material discovery, optimization of already known materials, and investigation of new reactions to perform photoelectrochemically. The work herein presents research into all of these areas using Bi-based and other metal oxide materials.First, a combined experimental and computational investigation of the interface between BiVO4 and FeOOH was conducted to improve our understanding of charge transfer between a photoabsorber and catalyst layer. It was discovered that varying the surface of BiVO4 between stoichiometric and Bi-rich affects the deposition of the FeOOH layer, and therefore the energetics at the interface, leading to significantly improved performance for the Bi-rich film. Alcohol oxidation on a BiVO4 photoanode was also investigated using the renewable feedstock chemical glycerol as a method for renewable chemical production. It was discovered that BiVO4 has a unique ability to promote a C-C coupling reaction that generates glycolaldehyde as the primary product, which has never been reported. SrBiO3 was also discovered as a photoelectrode material and synthesized as a thin film under ambient pressure for the first time. Investigation of its material properties and photoelectrochemical performance found SrBiO3 to be a promising photocathode{A0}material. Finally, a new electrochemical synthesis method was developed for the materials Fe2O3, CuO, CuFe2O4, and CuFeO2 utilizing the oxidation of catechol-metal complexes to deposit the desired metals. This method allowed for controlled ratios of Cu and Fe to be deposited and resulted in high surface area films that are favorable for use as photoelectrodes.

ISBN: 9798381171419Subjects--Topical Terms:

516420
Chemistry.
Subjects--Index Terms:

Alcohol oxidation

Development of Bi-Based Photoelectrodes for Solar Fuel and Chemical Production.
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520 $a The development of renewable and environmentally benign methods to replace fossil fuel extraction for chemical and fuel production is vital to reduce CO2 emissions and limit the effects of climate change. Solar energy is widely available as a renewable clean energy source. The use of photoelectrochemistry to harness solar energy for chemical and fuel production can decrease society's dependence on fossil fuels and reduce CO2 emissions. The key component of a photoelectrochemical cell is the semiconductor photoelectrode. Bi-based oxide materials have been shown to be effective photoelectrodes due to their small band gaps and excellent charge separation efficiencies. Current areas of research into photoelectrodes include new material discovery, optimization of already known materials, and investigation of new reactions to perform photoelectrochemically. The work herein presents research into all of these areas using Bi-based and other metal oxide materials.First, a combined experimental and computational investigation of the interface between BiVO4 and FeOOH was conducted to improve our understanding of charge transfer between a photoabsorber and catalyst layer. It was discovered that varying the surface of BiVO4 between stoichiometric and Bi-rich affects the deposition of the FeOOH layer, and therefore the energetics at the interface, leading to significantly improved performance for the Bi-rich film. Alcohol oxidation on a BiVO4 photoanode was also investigated using the renewable feedstock chemical glycerol as a method for renewable chemical production. It was discovered that BiVO4 has a unique ability to promote a C-C coupling reaction that generates glycolaldehyde as the primary product, which has never been reported. SrBiO3 was also discovered as a photoelectrode material and synthesized as a thin film under ambient pressure for the first time. Investigation of its material properties and photoelectrochemical performance found SrBiO3 to be a promising photocathode{A0}material. Finally, a new electrochemical synthesis method was developed for the materials Fe2O3, CuO, CuFe2O4, and CuFeO2 utilizing the oxidation of catechol-metal complexes to deposit the desired metals. This method allowed for controlled ratios of Cu and Fe to be deposited and resulted in high surface area films that are favorable for use as photoelectrodes.
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