Special Section on Nanocarbon Photonics and Optoelectronics

One-step preparation of multiwall carbon nanotube/silicon hybrids for solar energy conversion

[+] Author Affiliations
Egor V. Lobiak

Nikolaev Institute of Inorganic Chemistry, SB RAS, 3 Acad. Lavrentiev Avenue, Novosibirsk 630090, Russia

Dzmitry S. Bychanok, Polina P. Kuzhir, Sergey A. Maksimenko

Belarus State University, Research Institute for Nuclear Problems, 11 Bobruiskaya Street, Minsk 220030, Belarus

Elena V. Shlyakhova, Lyubov G. Bulusheva, Alexander V. Okotrub

Nikolaev Institute of Inorganic Chemistry, SB RAS, 3 Acad. Lavrentiev Avenue, Novosibirsk 630090, Russia

Novosibirsk State University, 2 Pirogova Street, Novosibirsk 630090, Russia

J. Nanophoton. 10(1), 012507 (Nov 05, 2015). doi:10.1117/1.JNP.10.012507
History: Received August 9, 2015; Accepted September 18, 2015
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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 0.2wt.% 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.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Egor V. Lobiak ; Dzmitry S. Bychanok ; Elena V. Shlyakhova ; Polina P. Kuzhir ; Sergey A. Maksimenko, et al.
"One-step preparation of multiwall carbon nanotube/silicon hybrids for solar energy conversion", J. Nanophoton. 10(1), 012507 (Nov 05, 2015). ; http://dx.doi.org/10.1117/1.JNP.10.012507


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