Modification of electrodes in nanocrystalline dye-sensitized TiO2 solar cells

Sanghyun Lee; Yongseok Jun; Kang Jin Kim; Donghwan Kim

doi:10.1016/S0927-0248(00)00095-7

Modification of electrodes in nanocrystalline dye-sensitized TiO₂ solar cells

Sanghyun Lee, Yongseok Jun, Kang Jin Kim, Donghwan Kim

Research output: Contribution to journal › Article › peer-review

33 Citations (Scopus)

Abstract

Influence of an electrodeposited overlayer and a spin-coated underlayer of TiO₂ electrode on the cell performance was studied. The effect of annealing TiO₂ electrode in O₂ atmosphere was also investigated. XRD analysis made on TiO₂ by the sol-gel method showed a pure anatase phase. Electrodeposited TiO₂ film showed two times larger surface area and O₂ annealed TiO₂ showed three times larger surface area than untreated TiO₂. Electrodeposition of TiO₂ resulted in sub-particles on base TiO₂ and increased the surface area and the short-circuit current (J_sc). For an underlayer, TiCl₄ treatment caused no noticeable changes in current-voltage characteristics. Annealing in O₂ atmosphere did not cause any apparent changes in bonding characteristics judging from XPS measurement. A conversion efficiency up to 5.8% was obtained.

Original language	English
Pages (from-to)	193-200
Number of pages	8
Journal	Solar Energy Materials and Solar Cells
Volume	65
Issue number	1
DOIs	https://doi.org/10.1016/S0927-0248(00)00095-7
Publication status	Published - 2001 Jan

Bibliographical note

Funding Information:
The Korea Science and Engineering Foundation (KOSEF 97-05-0104013) supported this work.

Copyright:
Copyright 2017 Elsevier B.V., All rights reserved.

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Renewable Energy, Sustainability and the Environment
Surfaces, Coatings and Films

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1016/S0927-0248(00)00095-7

Cite this

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abstract = "Influence of an electrodeposited overlayer and a spin-coated underlayer of TiO2 electrode on the cell performance was studied. The effect of annealing TiO2 electrode in O2 atmosphere was also investigated. XRD analysis made on TiO2 by the sol-gel method showed a pure anatase phase. Electrodeposited TiO2 film showed two times larger surface area and O2 annealed TiO2 showed three times larger surface area than untreated TiO2. Electrodeposition of TiO2 resulted in sub-particles on base TiO2 and increased the surface area and the short-circuit current (Jsc). For an underlayer, TiCl4 treatment caused no noticeable changes in current-voltage characteristics. Annealing in O2 atmosphere did not cause any apparent changes in bonding characteristics judging from XPS measurement. A conversion efficiency up to 5.8% was obtained.",

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