Photocurrent and Photoluminescence of Amorphous Silicon Nanoclusters Embedded in Silicon Suboxide Matrix

Abstract:

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We have presented a technique, based on magnetron sputtering of silicon target in the mixture of argon, silane, and oxygen. Addition of oxygen gas was shown to cause formation of silicon suboxide layers with amorphous silicon nanoclusters without subsequent annealing. The layers exhibit significant photoluminescence at room temperature. Their photoluminescence spectra reveal special features predicted in the preceding well-known theoretical works. Heterostructures, fabricated with such layers, show high photocurrent efficiency in short-wavelength spectral region. Our results demonstrate that the investigated structures are promising for photoelectric and photovoltaic applications.

Info:

Periodical:

Solid State Phenomena (Volumes 178-179)

Edited by:

W. Jantsch and F. Schäffler

Pages:

465-470

DOI:

10.4028/www.scientific.net/SSP.178-179.465

Citation:

O. M. Sreseli et al., "Photocurrent and Photoluminescence of Amorphous Silicon Nanoclusters Embedded in Silicon Suboxide Matrix", Solid State Phenomena, Vols. 178-179, pp. 465-470, 2011

Online since:

August 2011

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Price:

$35.00

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