Photoelectrode with Multilayer of Gradual Scattering Structure Used in Dye-Sensitized Solar Cells

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A multilayer TiO2 film featured with gradual scattering structure was developed and used as photoelectrode for dye-sensitized solar cells. This structure of film consists of P25 nanoparticles and TiO2 aggregate which was synthesized by micro-emulsion method as scattering centers The scattering centers were deposited by gradually increasing the amount from the film’s bottom to its top. The special films were used for the studies on the photovoltaic performance of N719 and Zn-3, and their photoelectric conversion efficiencies were 7.34% and 4.04%, respectively. Furthermore, more improvement of the conversion efficiency is realized for Zn-3 than for N719 by using our newly developed multilayer films as photoelectrode compared with ordinary photoelectrode.

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22-27

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May 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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[1] B O'Regan, M Grätzel, A low-cost, high-efficiency solar cell based on dye-sensitized colloidal TiO2 films, Nature. 353 (1991) 737-740.

DOI: 10.1038/353737a0

Google Scholar

[2] B. Tan, Y.Y. Wu, Dye-Sensitized Solar Cells Based on Anatase TiO2 Nanoparticle/Nanowire Composites, J. Phys. Chem. B 110 (2006) 15932–15938.

DOI: 10.1021/jp063972n

Google Scholar

[3] S. Ito, T. N. Murakami, M. Grätzel, Fabrication of thin film dye sensitized solar cells with solar to electric power conversion efficiency over 10%, Thin Solid Films 516 (2008) 4613–4619.

DOI: 10.1016/j.tsf.2007.05.090

Google Scholar

[4] S. Hore, P. Nitz, R. Kern, Scattering spherical voids in nanocrystalline TiO2-enhancement of efficiency in dye-sensitized solar cells, Chem. Commun. 21 (2005) 2011-2013.

DOI: 10.1039/b418658n

Google Scholar

[5] Z.S. Wang, H. Kawauchi, H. Arakawa, Significant Influence of TiO2 photoelectrode structure on the energy conversion efficiency of N719 dye-sensitized solar cell, Coord. Chem. Rev. 248 (2004) 1381-1389.

DOI: 10.1016/j.ccr.2004.03.006

Google Scholar

[6] Z.P. Tian, H.M. Tian, Z.G. Zou, Multilayer structure with gradual increasing porosity for dye-sensitized solar cells, Appl. Phys. Lett. 94 (2009) 031905-031907.

DOI: 10.1063/1.3073834

Google Scholar

[7] F. Sauvage, D. Chen, M. Grätzel, Dye-sensitized solar cells employing a single film of mesoporous TiO2 beads achieve power conversion efficiencies over 10%, ACS Nano 4 (2010) 4420–4425.

DOI: 10.1021/nn1010396

Google Scholar

[8] Q.F. Zhang, Tammy P. Chou, G.Z. Cao, Aggregation of ZnO nanocrystallites for high conversion efficiency in dye-Sensitized solar cells, Angew. Chem. Int. Ed. 47 (2008) 2402-2406.

DOI: 10.1002/anie.200704919

Google Scholar

[9] Y.J. Kim, M.H. Lee, W.I. Lee, Formation of highly efficient dye-sensitized solar cells by hierarchical pore generation with nanoporous TiO2 spheres, Adv. Mater. 21(2009) 3668-3673.

DOI: 10.1002/adma.200900294

Google Scholar

[10] J.H. Park, S.Y. Jung, S. Lee, Nanostructured photoelectrode consisting of TiO2 hollow spheres for non-volatile electrolyte-based dye-sensitized solar cells, J. Power Sources, 194 (2009) 574-579.

DOI: 10.1016/j.jpowsour.2009.03.075

Google Scholar

[11] Q, Wang, Wayne M. Campbell, M. Grätzel, Efficient light harvesting by using green Zn-porphyrin-sensitized nanocrystalline TiO2 films, J. Phys. Chem. B. 109 (2005) 15397-15409.

DOI: 10.1021/jp052877w

Google Scholar

[12] M Koelsch, S Cassaignon, Jolivet J P, Electrochemical comparative study of titania (anatase, brookite and rutile) nanoparticles synthesized in aqueous medium, Thin Solid Films, 451-452 (2004) 86-92.

DOI: 10.1016/j.tsf.2003.11.150

Google Scholar

[13] N.G. Park, L. van de J, A, Frank, Comparison of dye-sensitized rutile- and anatase-based TiO2 solar cells, J. Phys. Chem. B. 104 (2000) 8989-8994

DOI: 10.1021/jp994365l

Google Scholar