Atomic layer deposition of TiO2 on aerogel templates: New photoanodes for dye-sensitized solar cells

Thomas W. Hamann, Alex B F Martinson, Jeffrey W. Elam, Michael J. Pellin, Joseph T Hupp

Research output: Contribution to journalArticle

108 Citations (Scopus)

Abstract

High surface area mesoporous aerogel films were prepared on conductive glass substrates. Atomic layer deposition was employed to coat the aerogel template conformally with various thicknesses of TiO2 with subnanometer precision. The TiO2-coated aerogel membranes were incorporated as photoanodes in dye-sensitized solar cells. The charge diffusion length was found to increase with increasing thickness of TiO2 leading to increasing current and efficiency. Initial devices exhibited power conversion efficiencies of up to 4.3% under 100 W m-2 light intensity. The novel fabrication technique provides a facile, oxide materials general method to prepare high surface area pseudo-one-dimensional DSSC photoanodes with promising performance.

Original languageEnglish
Pages (from-to)10303-10307
Number of pages5
JournalJournal of Physical Chemistry C
Volume112
Issue number27
DOIs
Publication statusPublished - Jul 10 2008

Fingerprint

Aerogels
Atomic layer deposition
aerogels
atomic layer epitaxy
templates
solar cells
dyes
diffusion length
Oxides
luminous intensity
Conversion efficiency
membranes
Membranes
Fabrication
Glass
fabrication
oxides
glass
Substrates
Dye-sensitized solar cells

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Electronic, Optical and Magnetic Materials
  • Surfaces, Coatings and Films
  • Energy(all)

Cite this

Atomic layer deposition of TiO2 on aerogel templates : New photoanodes for dye-sensitized solar cells. / Hamann, Thomas W.; Martinson, Alex B F; Elam, Jeffrey W.; Pellin, Michael J.; Hupp, Joseph T.

In: Journal of Physical Chemistry C, Vol. 112, No. 27, 10.07.2008, p. 10303-10307.

Research output: Contribution to journalArticle

Hamann, Thomas W. ; Martinson, Alex B F ; Elam, Jeffrey W. ; Pellin, Michael J. ; Hupp, Joseph T. / Atomic layer deposition of TiO2 on aerogel templates : New photoanodes for dye-sensitized solar cells. In: Journal of Physical Chemistry C. 2008 ; Vol. 112, No. 27. pp. 10303-10307.
@article{4b05ae769b7a43d5aafd2210c61154a3,
title = "Atomic layer deposition of TiO2 on aerogel templates: New photoanodes for dye-sensitized solar cells",
abstract = "High surface area mesoporous aerogel films were prepared on conductive glass substrates. Atomic layer deposition was employed to coat the aerogel template conformally with various thicknesses of TiO2 with subnanometer precision. The TiO2-coated aerogel membranes were incorporated as photoanodes in dye-sensitized solar cells. The charge diffusion length was found to increase with increasing thickness of TiO2 leading to increasing current and efficiency. Initial devices exhibited power conversion efficiencies of up to 4.3{\%} under 100 W m-2 light intensity. The novel fabrication technique provides a facile, oxide materials general method to prepare high surface area pseudo-one-dimensional DSSC photoanodes with promising performance.",
author = "Hamann, {Thomas W.} and Martinson, {Alex B F} and Elam, {Jeffrey W.} and Pellin, {Michael J.} and Hupp, {Joseph T}",
year = "2008",
month = "7",
day = "10",
doi = "10.1021/jp802216p",
language = "English",
volume = "112",
pages = "10303--10307",
journal = "Journal of Physical Chemistry C",
issn = "1932-7447",
publisher = "American Chemical Society",
number = "27",

}

TY - JOUR

T1 - Atomic layer deposition of TiO2 on aerogel templates

T2 - New photoanodes for dye-sensitized solar cells

AU - Hamann, Thomas W.

AU - Martinson, Alex B F

AU - Elam, Jeffrey W.

AU - Pellin, Michael J.

AU - Hupp, Joseph T

PY - 2008/7/10

Y1 - 2008/7/10

N2 - High surface area mesoporous aerogel films were prepared on conductive glass substrates. Atomic layer deposition was employed to coat the aerogel template conformally with various thicknesses of TiO2 with subnanometer precision. The TiO2-coated aerogel membranes were incorporated as photoanodes in dye-sensitized solar cells. The charge diffusion length was found to increase with increasing thickness of TiO2 leading to increasing current and efficiency. Initial devices exhibited power conversion efficiencies of up to 4.3% under 100 W m-2 light intensity. The novel fabrication technique provides a facile, oxide materials general method to prepare high surface area pseudo-one-dimensional DSSC photoanodes with promising performance.

AB - High surface area mesoporous aerogel films were prepared on conductive glass substrates. Atomic layer deposition was employed to coat the aerogel template conformally with various thicknesses of TiO2 with subnanometer precision. The TiO2-coated aerogel membranes were incorporated as photoanodes in dye-sensitized solar cells. The charge diffusion length was found to increase with increasing thickness of TiO2 leading to increasing current and efficiency. Initial devices exhibited power conversion efficiencies of up to 4.3% under 100 W m-2 light intensity. The novel fabrication technique provides a facile, oxide materials general method to prepare high surface area pseudo-one-dimensional DSSC photoanodes with promising performance.

UR - http://www.scopus.com/inward/record.url?scp=48249125101&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=48249125101&partnerID=8YFLogxK

U2 - 10.1021/jp802216p

DO - 10.1021/jp802216p

M3 - Article

AN - SCOPUS:48249125101

VL - 112

SP - 10303

EP - 10307

JO - Journal of Physical Chemistry C

JF - Journal of Physical Chemistry C

SN - 1932-7447

IS - 27

ER -