LIU Lei, YANG Qin-yu, WANG De-xin, YANG Ping, ZHANG Jing. Dielectric Barrier Discharge Deposition of Porous Silicon-based Nanoparticle Films: The Optical Emission Spectrum and Fourier Transform Infrared Spectrum[J]. Chinese Journal of Luminescence, 2010,31(6): 904-907
LIU Lei, YANG Qin-yu, WANG De-xin, YANG Ping, ZHANG Jing. Dielectric Barrier Discharge Deposition of Porous Silicon-based Nanoparticle Films: The Optical Emission Spectrum and Fourier Transform Infrared Spectrum[J]. Chinese Journal of Luminescence, 2010,31(6): 904-907DOI:
Dielectric Barrier Discharge Deposition of Porous Silicon-based Nanoparticle Films: The Optical Emission Spectrum and Fourier Transform Infrared Spectrum
DBD(Dielectric-Barrier Discharges)-PECVD (Plasma Enhanced Chemical Vapor Deposition) was used to prepare porous nanoparticle silicon-based film from SiH
4
/Ar/H
2
at pressure of 0.5 MPa. Pulsed negative bias voltage was introduced to modulate the process and character of the films. The optical emission spectrum and Fourier transform infrared spectrum were used to study the deposition process. The dissociation of SiH
4
was indicated form specific spectrum of SiH
*
(
A
2
X
2
0-0) at 412 nm. When the pulsed duty cycle changed from 0.162 to 0.864
the stretch vibration band of SiOSi at 1 070 cm
-1
and the bending vibration band of SiOSi at 800 cm
-1
increased. At the same time
the bending vibration band of SiH at 930 cm
-1
decreased. More SiOSi structure was formed as the increase of the duty cycle.
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references
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