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Journal of Nanophotonics

One-step preparation of multiwall carbon nanotube/silicon hybrids for solar energy conversion
Author(s): Egor V. Lobiak; Dsmitry S. Bychanok; Elena V. Shlyakhova; Polina P. Kuzhir; Sergey A. Maksimenko; Lyubov Bulusheva; Alexander V. Okotrub
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Paper Abstract

The hybrid material consisting of a thin layer of multiwall carbon nanotubes (MWCNTs) on an n-doped silicon wafer was obtained in one step using an aerosol-assisted catalytic chemical vapor deposition. The MWCNTs were grown from a mixture of acetone and ethanol with ∼0.2 wt.% of iron polyoxomolybdate nanocluster of the keplerate-type structure. The samples produced at 800°C and 1050°C were tested as a solar energy converter. It was shown that photoresponse of the hybrid material significantly depends on the presence of structural defects in MWCNTs, being much higher in the case of more defective nanotubes. This is because defects lead to p-doping of nanotubes, whereas the pn heterojunction between MWCNTs and silicon provides a high efficiency of the solar cell.

Paper Details

Date Published: 5 November 2015
PDF: 7 pages
J. Nanophoton. 10(1) 012507 doi: 10.1117/1.JNP.10.012507
Published in: Journal of Nanophotonics Volume 10, Issue 1
Show Author Affiliations
Egor V. Lobiak, Nikolaev Institute of Inorganic Chemistry (Russia)
Dsmitry S. Bychanok, Belarusian State Univ. (Belarus)
Elena V. Shlyakhova, Nikolaev Institute of Inorganic Chemistry (Russian Federation)
Novosibirsk State Univ. (Russian Federation)
Polina P. Kuzhir, Belarusian State Univ. (Belarus)
Sergey A. Maksimenko, Belarusian State Univ. (Belarus)
Lyubov Bulusheva, Nikolaev Institute of Inorganic Chemistry (Russia)
Novosibirsk State Univ. (Russian Federation)
Alexander V. Okotrub, Nikolaev Institute of Inorganic Chemistry (Russia)
Novosibirsk State University (Russia)


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