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Studies on electrochemically constru...

Kang, Donghyeon.

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Studies on electrochemically constructed n- and p-type photoelectrodes for use in solar energy conversion.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Studies on electrochemically constructed n- and p-type photoelectrodes for use in solar energy conversion./
作者:	Kang, Donghyeon.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2016,
面頁冊數:	193 p.
附註:	Source: Dissertation Abstracts International, Volume: 77-10(E), Section: B.
Contained By:	Dissertation Abstracts International77-10B(E).
標題:	Materials science. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10111466
ISBN:	9781339746753

Studies on electrochemically constructed n- and p-type photoelectrodes for use in solar energy conversion.
Kang, Donghyeon.

Studies on electrochemically constructed n- and p-type photoelectrodes for use in solar energy conversion. - Ann Arbor : ProQuest Dissertations & Theses, 2016 - 193 p.

Source: Dissertation Abstracts International, Volume: 77-10(E), Section: B.

Thesis (Ph.D.)--The University of Wisconsin - Madison, 2016.

Among several pathways to harvest solar energy, solar water splitting is one of the most efficient methods to convert solar light to hydrogen, which is a clean and easy to store chemical that has the potential to be used as a fuel source. Solar water splitting can be achieved primarily by photoelectrochemical cells (PECs), which utilize semiconductors as photoelectrodes for the water splitting reaction. Photoelectrodes play the crucial role of generating hydrogen but, to date, very few photoelectrodes have been developed that can produce hydrogen in a stable and efficient manner. Thus, development and modification of efficient, stable photoelectrodes are highly desirable to improve performance of solar water splitting PECs. This dissertation demonstrates the development of semiconductors as photoelectrodes and their modifications to advance solar energy conversion performance by newly established electrochemical synthetic routes. To improve the photoelectrochemical performance of photoelectrodes, various strategies were introduced, such as, morphology control, extrinsic doping, and the integration of catalysts. After successfully demonstrating the electrochemical synthesis of photoelectrodes, photoelectrochemical and electrochemical properties of electrodeposited photoelectrodes in PECs are discussed. The chapters can be categorized into three major themes. The first theme is the preparation of Bi-based photoanodes for the water oxidation reaction. Chapter 2 presents a study of Mo-doping into the BiVO4 photoanode to enhance charge separation properties. After Mo-doping was achieved successfully, a FeOOH oxygen evoltuion catalyst was integrated into the Mo-doped BiVO 4 photoanode to increase the water oxidation performance. Chapter 3 introduces another electrochemical synthesis method to control the morphology of Bi-based oxide photoanode materials. The second theme of this dissertation is the preparation of photocathode materials for the water reduction reaction. Chapter 4 discusses the development of the CuBi2O4 photocathode, which is modified by Ag-doping, morphology control, and catalyst integration to improve the overall cell performance. In chapter 5, both n-InP and p-InP are prepared by an electrochemical route to demonstrate the plausibility that electrochemical routes can be utilized to prepare InP photoelectrodes. The final theme is the construction of photovoltaic devices. In chapter 6, all-electrodeposited ZnO/Cu2O and Al-doped ZnO/Cu2O solar cells are fabricated and their solar cell performances are studied.

ISBN: 9781339746753Subjects--Topical Terms:

543314
Materials science.

Studies on electrochemically constructed n- and p-type photoelectrodes for use in solar energy conversion.
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