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Dye-Sensitized Solar Cells Based on Bi 4 Ti 3 O 12

Chen, Zeng ; Li, Shengjun ; Zhang, Weifeng

International journal of photoenergy, 2011, Vol.2011, p.1-6 [Revista revisada por pares]

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Dye-Sensitized Solar Cells Based on Bi 4 Ti 3 O 12
Autor: Chen, Zeng ; Li, Shengjun ; Zhang, Weifeng
Es parte de: International journal of photoenergy, 2011, Vol.2011, p.1-6
Descripción: Bismuth titanate (Bi 4 Ti 3 O 12 ) particles were synthesized by hydrothermal treatment and nanoporous thin films were prepared on conducting glass substrates. The structures and morphologies of the samples were examined with X-ray diffraction and scanning electron microscope (SEM). Significant absorbance spectra emerged in visible region which indicated the efficient sensitization of Bi 4 Ti 3 O 12 with N3 dye. Surface photovoltaic properties of the samples were investigated by surface photovoltage. The results further indicate that N3 can extend the photovoltaic response range of Bi 4 Ti 3 O 12 nanoparticles to the visible region, which shows potential application in dye-sensitized solar cell. As a working electrode in dye-sensitized solar cells (DSSCs), the overall efficiency reached 0.48% after TiO 2 modification.
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