Mg-La Co-Doped TiO2 as Compact Layer for High Efficient Dye-Sensitized Solar Cells

Piyasiri Ekanayake; Alwani Imanah Rafieh; Norhafillah Mohammad Thamrin; Chee Ming Lim

doi:10.4028/www.scientific.net/KEM.765.34

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Mg-La Co-Doped TiO₂ as Compact Layer for High Efficient Dye-Sensitized Solar Cells
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 765Mg-La Co-Doped TiO2 as Compact Layer for High...

Mg-La Co-Doped TiO₂ as Compact Layer for High Efficient Dye-Sensitized Solar Cells

Abstract:

A compact layer of TiO₂, between FTO and mesoporous TiO₂ layer of DSSC anode, has the ability to reduce the electron recombination while mesoporous TiO₂ layer functions to collect and transport electrons injected by the photoexcited dye. In enhancing the desired functions of compact and mesoporous TiO₂, we study the effects of co-doping it with Mg, Eu, and La. MgLa co-doped TiO₂ as compact layer has demonstrated higher efficiency due to its increased oxygen vacancies and smaller particle size which results reduced recombination. The combination of pure and co-doped TiO₂ nanoparticles to be selected as either compact or mesoporous layer of DSSC anode depends on their respective properties, as demonstrated in this paper.

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Periodical:

Key Engineering Materials (Volume 765)

Pages:

34-38

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.765.34

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Online since:

March 2018

Authors:

Piyasiri Ekanayake*, Alwani Imanah Rafieh, Norhafillah Mohammad Thamrin, Chee Ming Lim

Keywords:

Co-Doping, Compact Layer, Dye-Sensitized Solar Cell, Titanium Dioxide

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