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Title: Effect of the surface-state distribution on electron transport in dye-sensitized TiO{sub 2} solar cells: Nonlinear electron-transport kinetics

Abstract

Analytical expressions describing electron transport in dye-sensitized nanocrystalline TiO{sub 2} solar cells are derived and verified by intensity-modulated photocurrent spectroscopy measurements. An exponential distribution of surface states can account for the observed power law dependence of the electron-transport rate on the electron population. Use of an effective electron diffusion coefficient to describe the electron transport kinetics is found to be inadequate. A slope of 69 MeV is inferred for the surface-state distribution curve.

Authors:
;
Publication Date:
Research Org.:
National Renewable Energy Lab., Golden, CO (US)
Sponsoring Org.:
USDOE
OSTI Identifier:
20075913
DOE Contract Number:  
AC36-99GO10337
Resource Type:
Journal Article
Journal Name:
Journal of Physical Chemistry B: Materials, Surfaces, Interfaces, amp Biophysical
Additional Journal Information:
Journal Volume: 104; Journal Issue: 18; Other Information: PBD: 11 May 2000; Journal ID: ISSN 1089-5647
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; SOLAR CELLS; TITANIUM OXIDES; ELECTRON TRANSFER; KINETICS; DYES; PHOTOCURRENTS

Citation Formats

Lagemaat, J. van de, and Frank, A.J. Effect of the surface-state distribution on electron transport in dye-sensitized TiO{sub 2} solar cells: Nonlinear electron-transport kinetics. United States: N. p., 2000. Web. doi:10.1021/jp000836o.
Lagemaat, J. van de, & Frank, A.J. Effect of the surface-state distribution on electron transport in dye-sensitized TiO{sub 2} solar cells: Nonlinear electron-transport kinetics. United States. doi:10.1021/jp000836o.
Lagemaat, J. van de, and Frank, A.J. Thu . "Effect of the surface-state distribution on electron transport in dye-sensitized TiO{sub 2} solar cells: Nonlinear electron-transport kinetics". United States. doi:10.1021/jp000836o.
@article{osti_20075913,
title = {Effect of the surface-state distribution on electron transport in dye-sensitized TiO{sub 2} solar cells: Nonlinear electron-transport kinetics},
author = {Lagemaat, J. van de and Frank, A.J.},
abstractNote = {Analytical expressions describing electron transport in dye-sensitized nanocrystalline TiO{sub 2} solar cells are derived and verified by intensity-modulated photocurrent spectroscopy measurements. An exponential distribution of surface states can account for the observed power law dependence of the electron-transport rate on the electron population. Use of an effective electron diffusion coefficient to describe the electron transport kinetics is found to be inadequate. A slope of 69 MeV is inferred for the surface-state distribution curve.},
doi = {10.1021/jp000836o},
journal = {Journal of Physical Chemistry B: Materials, Surfaces, Interfaces, amp Biophysical},
issn = {1089-5647},
number = 18,
volume = 104,
place = {United States},
year = {2000},
month = {5}
}