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Document Details
Document Type
:
Article In Journal
Document Title
:
Calculation of the Energy Band Diagram of a Photoelectrochemical Water Splitting Cell
Calculation of the Energy Band Diagram of a Photoelectrochemical Water Splitting Cell
Document Language
:
English
Abstract
:
A physical model is presented for the semiconductor electrode of a photoelectrochemical cell. The model accounts for the potential drop in the Helmholtz layer and thus enables description of both band edge pinning and unpinning. The model is based on the continuity equations for charge carriers and direct charge transfer from the energy bands to the electrolyte. A quantitative calculation of the position of the energy bands and the variation of the quasi-Fermi levels in the semiconductor with respect to the water reduction and oxidation potentials are presented. Calculated photocurrentvoltage curves are compared with established analytical models and experimental data. Our model calculations are suitable to enhance understanding and improve the properties of semiconductors for photoelectrochemical water splitting.
ISSN
:
1932-7447
Journal Name
:
JOURNAL OF PHYSICAL CHEMISTRY C
Volume
:
118
Issue Number
:
51
Publishing Year
:
1435 AH
2014 AD
Article Type
:
Article
Added Date
:
Monday, July 24, 2017
Researchers
Researcher Name (Arabic)
Researcher Name (English)
Researcher Type
Dr Grade
Email
P Cendula
Cendula, P
Researcher
SD Tilley
Tilley, SD
Researcher
S Gimenez
Gimenez, S
Researcher
J Bisquert
Bisquert, J
Researcher
M Schmid
Schmid, M
Researcher
M Gratzel
Gratzel, M
Researcher
JO Schumachert
Schumachert, JO
Researcher
Files
File Name
Type
Description
42216.pdf
pdf
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