Formation of sub-micron size carbon structures by plasma jets emitted from a pulsed capillary discharge
We have performed an experimental investigation of the potential use of intense plasma jets produced in a repetitive pulsed capillary discharge (PCD) operating in methane gas, to irradiate Si (1 0 0) substrates. The surface modifications induced by the plasma jet using two different material inserts...
Guardado en:
Autores principales: | , , , , , , , , , |
---|---|
Formato: | JOUR |
Materias: | |
Acceso en línea: | http://hdl.handle.net/20.500.12110/paper_01694332_v255_n6_p3558_Bhuyan |
Aporte de: |
id |
todo:paper_01694332_v255_n6_p3558_Bhuyan |
---|---|
record_format |
dspace |
spelling |
todo:paper_01694332_v255_n6_p3558_Bhuyan2023-10-03T15:07:07Z Formation of sub-micron size carbon structures by plasma jets emitted from a pulsed capillary discharge Bhuyan, H. Favre, M. Valderrama, E. Avaria, G. Wyndham, E. Chuaqui, H. Baier, J. Kelly, H. Grondona, D. Marquez, A. Capillary discharge Carbon coatings Plasma jets Capillary flow Carbon Electric discharges Methane Optical emission spectroscopy Plasma jets Scanning electron microscopy Spectrometers Capillary discharges Carbon coating Carbon structures Energy dispersive x-ray Experimental investigations Operational conditions Optical emission spectroscopies (OES) Pulsed capillary discharges Fighter aircraft We have performed an experimental investigation of the potential use of intense plasma jets produced in a repetitive pulsed capillary discharge (PCD) operating in methane gas, to irradiate Si (1 0 0) substrates. The surface modifications induced by the plasma jet using two different material inserts at the capillary end, graphite and titanium, are characterized using standard surface science diagnostic tools, such as scanning electron microscopy (SEM), energy-dispersive X-ray (EDX) analysis and Raman spectroscopy (RS). It has been found that the application of methane plasma jet results in the formation of sub-micron size carbon structures. It is observed that the resulting plasma irradiated surface morphologies are different, depending on the different material inserts used at the capillary end, at otherwise identical operational conditions. To investigate the species responsible for the observed surface changes in different material inserts to the capillary, optical-emission spectroscopy (OES) was recorded using a 300-1000 nm spectrometer. The OES results show the presence of H, CH and C 2 Swan band in the discharge plasma, which play a significant role in the formation of the carbon structures. © 2008 Elsevier B.V. All rights reserved. Fil:Kelly, H. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Grondona, D. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Marquez, A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_01694332_v255_n6_p3558_Bhuyan |
institution |
Universidad de Buenos Aires |
institution_str |
I-28 |
repository_str |
R-134 |
collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
topic |
Capillary discharge Carbon coatings Plasma jets Capillary flow Carbon Electric discharges Methane Optical emission spectroscopy Plasma jets Scanning electron microscopy Spectrometers Capillary discharges Carbon coating Carbon structures Energy dispersive x-ray Experimental investigations Operational conditions Optical emission spectroscopies (OES) Pulsed capillary discharges Fighter aircraft |
spellingShingle |
Capillary discharge Carbon coatings Plasma jets Capillary flow Carbon Electric discharges Methane Optical emission spectroscopy Plasma jets Scanning electron microscopy Spectrometers Capillary discharges Carbon coating Carbon structures Energy dispersive x-ray Experimental investigations Operational conditions Optical emission spectroscopies (OES) Pulsed capillary discharges Fighter aircraft Bhuyan, H. Favre, M. Valderrama, E. Avaria, G. Wyndham, E. Chuaqui, H. Baier, J. Kelly, H. Grondona, D. Marquez, A. Formation of sub-micron size carbon structures by plasma jets emitted from a pulsed capillary discharge |
topic_facet |
Capillary discharge Carbon coatings Plasma jets Capillary flow Carbon Electric discharges Methane Optical emission spectroscopy Plasma jets Scanning electron microscopy Spectrometers Capillary discharges Carbon coating Carbon structures Energy dispersive x-ray Experimental investigations Operational conditions Optical emission spectroscopies (OES) Pulsed capillary discharges Fighter aircraft |
description |
We have performed an experimental investigation of the potential use of intense plasma jets produced in a repetitive pulsed capillary discharge (PCD) operating in methane gas, to irradiate Si (1 0 0) substrates. The surface modifications induced by the plasma jet using two different material inserts at the capillary end, graphite and titanium, are characterized using standard surface science diagnostic tools, such as scanning electron microscopy (SEM), energy-dispersive X-ray (EDX) analysis and Raman spectroscopy (RS). It has been found that the application of methane plasma jet results in the formation of sub-micron size carbon structures. It is observed that the resulting plasma irradiated surface morphologies are different, depending on the different material inserts used at the capillary end, at otherwise identical operational conditions. To investigate the species responsible for the observed surface changes in different material inserts to the capillary, optical-emission spectroscopy (OES) was recorded using a 300-1000 nm spectrometer. The OES results show the presence of H, CH and C 2 Swan band in the discharge plasma, which play a significant role in the formation of the carbon structures. © 2008 Elsevier B.V. All rights reserved. |
format |
JOUR |
author |
Bhuyan, H. Favre, M. Valderrama, E. Avaria, G. Wyndham, E. Chuaqui, H. Baier, J. Kelly, H. Grondona, D. Marquez, A. |
author_facet |
Bhuyan, H. Favre, M. Valderrama, E. Avaria, G. Wyndham, E. Chuaqui, H. Baier, J. Kelly, H. Grondona, D. Marquez, A. |
author_sort |
Bhuyan, H. |
title |
Formation of sub-micron size carbon structures by plasma jets emitted from a pulsed capillary discharge |
title_short |
Formation of sub-micron size carbon structures by plasma jets emitted from a pulsed capillary discharge |
title_full |
Formation of sub-micron size carbon structures by plasma jets emitted from a pulsed capillary discharge |
title_fullStr |
Formation of sub-micron size carbon structures by plasma jets emitted from a pulsed capillary discharge |
title_full_unstemmed |
Formation of sub-micron size carbon structures by plasma jets emitted from a pulsed capillary discharge |
title_sort |
formation of sub-micron size carbon structures by plasma jets emitted from a pulsed capillary discharge |
url |
http://hdl.handle.net/20.500.12110/paper_01694332_v255_n6_p3558_Bhuyan |
work_keys_str_mv |
AT bhuyanh formationofsubmicronsizecarbonstructuresbyplasmajetsemittedfromapulsedcapillarydischarge AT favrem formationofsubmicronsizecarbonstructuresbyplasmajetsemittedfromapulsedcapillarydischarge AT valderramae formationofsubmicronsizecarbonstructuresbyplasmajetsemittedfromapulsedcapillarydischarge AT avariag formationofsubmicronsizecarbonstructuresbyplasmajetsemittedfromapulsedcapillarydischarge AT wyndhame formationofsubmicronsizecarbonstructuresbyplasmajetsemittedfromapulsedcapillarydischarge AT chuaquih formationofsubmicronsizecarbonstructuresbyplasmajetsemittedfromapulsedcapillarydischarge AT baierj formationofsubmicronsizecarbonstructuresbyplasmajetsemittedfromapulsedcapillarydischarge AT kellyh formationofsubmicronsizecarbonstructuresbyplasmajetsemittedfromapulsedcapillarydischarge AT grondonad formationofsubmicronsizecarbonstructuresbyplasmajetsemittedfromapulsedcapillarydischarge AT marqueza formationofsubmicronsizecarbonstructuresbyplasmajetsemittedfromapulsedcapillarydischarge |
_version_ |
1782026303685263360 |