2016
DOI: 10.1002/pssa.201532938
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Optimizing the parameter space for increased crystallinity of silicon nanoparticles grown in the gas phase

Abstract: Various plasma process parameters such as coupled power, process pressure (p), gas flow, and source gas ratios (SiH 4 :H 2 ) play crucial roles in determining the size and crystallinity of the synthesized Si nanoparticles (NPs). One of the less studied parameters for NP growth is the inter-electrode distance, d. Our study focuses on the effect of d and demonstrates how a reactor with larger d (refers to d ¼ 30 mm) is a simple method to enhance the crystalline ratio of NPs produced in them compared with a stand… Show more

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Cited by 2 publications
(2 citation statements)
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“…The NPs described in this paper are grown in a dedicated plasma reactor, more details of which can be found elsewhere [14] [16]. The source gases of SiH 4 and Ar are fed through the bottom showerhead electrode and are dissociated by the applied oscillating very high frequency (VHF) electric field of 60 MHz.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…The NPs described in this paper are grown in a dedicated plasma reactor, more details of which can be found elsewhere [14] [16]. The source gases of SiH 4 and Ar are fed through the bottom showerhead electrode and are dissociated by the applied oscillating very high frequency (VHF) electric field of 60 MHz.…”
Section: Methodsmentioning
confidence: 99%
“…Various plasma process parameters such as coupled power, process pressure, gas flow, and source gas ratios (SiH 4 :H 2 ) and inter-electrode distance play crucial roles in determining the size and crystallinity of the synthesized Si nanoparticles (NPs). We have performed an extensive study on the synthesis of silicon nanoparticles in the gas phase in a capacitively coupled VHF discharge as a function of crystalline ratio by changing the above parameters and highlighted the interdependence of crystalline ratio and residence time [24]. In this reference we changed the residence time both by changing the pressure and inter-electrode distance.…”
Section: Fig 1 : Raman Crystalline Ratio Of the Deposited Nps As A Function Of T On The Inset Gives The Zoomed In Image At The Smaller Vmentioning
confidence: 99%