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Photocatalytic Efficacy of 1-Dimensional Nanocomposite Electrode

Lee, JK and Ding, B and Noh, J and Hong, KS (2012) Photocatalytic Efficacy of 1-Dimensional Nanocomposite Electrode. In: UNSPECIFIED UNSPECIFIED. ISBN UNSPECIFIED

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Abstract

The photocatalytic splitting of water into H2 and O2 by oxide nanoparticles has received much attention. However, the full potential of photo-catalysts for efficient hydrogen generation out of water has not been fully realized yet due to unresolved limitations including the low electrical conductivity and ineffective carrier extraction. Here, we report composite oxide materials consisting of 1-dimensional (1-D) transparent conducting oxide (TCO) core and Ti02 shell. Highly conductive ITO nanowires were grown on a flexible SUS mesh as a core component. The photoelectrodes consisting of these 1-D nanocomposites have increased carrier mobility due to the TCO core, while the T1O2 shell provides the photocatalytic functionalities. In addition, the built-in-potential at the interface between TCO core and the T1O2 shell improves the collection of charge carriers from T1O2 to TCO. These factors altogether contribute to increasing the photocurrent of the device under light. © 2012 The Minerals, Metals, & Materials Society. All rights reserved.


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Details

Item Type: Book Section
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Lee, JKjul37@pitt.eduJUL370000-0002-7778-7679
Ding, B
Noh, J
Hong, KS
Centers: Other Centers, Institutes, or Units > Petersen Institute of NanoScience and Engineering
Date: 15 May 2012
Date Type: Publication
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
DOI or Unique Handle: 10.1002/9781118365038.ch2
Institution: University of Pittsburgh
Schools and Programs: Swanson School of Engineering > Mechanical Engineering and Materials Science
Refereed: Yes
Date Deposited: 07 Nov 2014 16:59
Last Modified: 06 Jul 2019 20:55
URI: http://d-scholarship.pitt.edu/id/eprint/23468

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