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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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Publication details

The article was received on 29 Jan 2012, accepted on 23 Feb 2012 and first published on 23 Feb 2012


Article type: Communication
DOI: 10.1039/C2CP40279C
Phys. Chem. Chem. Phys., 2012,14, 5255-5259

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    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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