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Issue 29, 2014
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Air-stable high-efficiency solar cells with dry-transferred single-walled carbon nanotube films

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Abstract

By using the excellent optical and electrical properties of pristine SWNTs with long bundle lengths, we present single-walled carbon nanotube–silicon (SWNT/Si) solar cells of 11% power conversion efficiency (PCE), prepared without doping. The PCEs of the fabricated solar cells even increased slightly after 10 months of exposure to ambient conditions, without any external protection. The open-circuit voltage of the SWNT/Si solar cells under low light intensities, down to 10 mW cm−2, demonstrated the characteristics of the ideal p–n junction model. The mechanism was discussed, taking into account the effect of varying the interfacial oxide layer thickness between the SWNTs and Si on the solar cell’s performance. The high efficiency and stability demonstrated in this study make SWNT/Si solar cells one of practical choices for next generation energy system.

Graphical abstract: Air-stable high-efficiency solar cells with dry-transferred single-walled carbon nanotube films

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Publication details

The article was received on 19 Mar 2014, accepted on 22 Apr 2014 and first published on 23 Apr 2014


Article type: Paper
DOI: 10.1039/C4TA01353K
Citation: J. Mater. Chem. A, 2014,2, 11311-11318
  • Open access: Creative Commons BY license
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    Air-stable high-efficiency solar cells with dry-transferred single-walled carbon nanotube films

    K. Cui, A. S. Anisimov, T. Chiba, S. Fujii, H. Kataura, A. G. Nasibulin, S. Chiashi, E. I. Kauppinen and S. Maruyama, J. Mater. Chem. A, 2014, 2, 11311
    DOI: 10.1039/C4TA01353K

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