Spatial arrangement of carbon nanotubes in TiO2 photoelectrodes to enhance the efficiency of dye-sensitized solar cells

Physical Chemistry Chemical Physics : PCCP
Narayan Chandra Deb NathJae-Joon Lee

Abstract

Three electrode structures with different spatial arrangements of carbon nanotubes (CNTs) in the mesoporous TiO(2) layer were employed in dye-sensitized solar cells to study the effect of surface states at the interface formed by the incorporation of CNTs. It was found that the decay of open circuit voltage (V(oc)) was significantly minimized by avoiding the direct contact of nanotubes to the conducting substrate by introducing a thin buffer layer of TiO(2) while maintaining the superior electron collection efficiency from the incorporation of nanotubes.

References

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Sep 27, 2005·Inorganic Chemistry·Michael Grätzel
Dec 1, 2005·Journal of the American Chemical Society·Mohammad K NazeeruddinMichael Grätzel
Feb 9, 2006·Nano Letters·Gopal K MorCraig A Grimes
Oct 22, 2011·Langmuir : the ACS Journal of Surfaces and Colloids·Xukai XinZhiqun Lin

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