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Comparison of low crystallinity TiO2 film with nanocrystalline anatase film for dye-sensitized solar cells

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Abstract.
Dye adsorption and microstructure of TiO2 film are important properties when it is used as photoelectrode
of dye-sensitized solar cells (DSCs). This study investigated the application of a low crystallinity
TiO2 film in DSCs. The low crystallinity TiO2 film is composed of interconnected spherical particles with
an average size of 20 nm and has homogeneous mesoporous inner structure. A DSC based on the anatase
nanocrystalline mesoporous film prepared by P25 was used for comparison purpose. It is shown that
although loaded with much less dye, the DSC based on the low crystallinity TiO2 film generated Isc
(short circuit photocurrent) as much as the one based on the conventional anatase nanocrystalline film
does and obtained higher Voc (open circuit photovoltage) as well as ff (fill factor). The overall light-toelectricity efficiency (η) of the DSC based on the low crystallinity TiO2 film reached 5.37%, while the
η of the DSC based on anatase nanocrystalline film was 4.69% in this work condition. It is suggested
that a low crystallinity TiO2 mesoporous film with a proper microstructure is as efficient as the anatase
nanocrystalline mesoporous film when used in DSCs.

Keywords: Dye-sensitized, Solar cell, Low crystallinity, Titania, Mesoporous

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Informasi Detail

Judul Seri

Journal of Colloid and Interface Science

No. Panggil

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Penerbit

London : Elsevier Inc.., 2009

Deskripsi Fisik

Journal of Colloid and Interface Science 330 (2009) 386–391

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

KIMIA

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

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