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Issue 15, 2012
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Fermi energy level tuning for high performance dye sensitized solar cells using sp2 selective nitrogen-doped carbon nanotube channels

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Abstract

Here, we find that doping sp2 selective nitrogen, N sp2, into carbon nanotube (CNT) channels induces a positive shift in the Fermi level of TiO2 photoelectrodes. It is found that this results in the large diffusion coefficient of solar driven electrons for increasing the photocurrent as well as in the low recombination rate for improving open circuit voltage with 0.74 V, which could not be overcome by using pristine CNT channels with 0.66 V.

Graphical abstract: Fermi energy level tuning for high performance dye sensitized solar cells using sp2 selective nitrogen-doped carbon nanotube channels

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Supplementary files

Article information


Submitted
29 Jan 2012
Accepted
23 Feb 2012
First published
23 Feb 2012

Phys. Chem. Chem. Phys., 2012,14, 5255-5259
Article type
Communication

Fermi energy level tuning for high performance dye sensitized solar cells using sp2 selective nitrogen-doped carbon nanotube channels

G. I. Lee, N. C. D. Nath, S. Sarker, W. H. Shin, A. J. S. Ahammad, J. K. Kang and J. Lee, Phys. Chem. Chem. Phys., 2012, 14, 5255 DOI: 10.1039/C2CP40279C

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