Laser Ablated Carbon Thin Film from Carbon Nanotubes and Their Property Studies
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서지정보
ㆍ발행기관 : 한국탄소학회
ㆍ수록지정보 : Carbon Letters / 9권 / 1호
ㆍ저자명 : Maheshwar Sharon, M. Rusop, T. Soga, Rakesh A. Afre
목차
1. Introduction
2. Experimental
3. Results and discussion
4. Conclusions
References
한국어 초록
A carbon nanotube (CNT) of diameter ~ 20 nm has been synthesized by spray pyrolysis of turpentine oil using Ni/Fe catalyst. Pellet of CNTs has been used as a target to produce semiconducting carbon thin film of band gap 1.4 eV. Presence of oxygen pressure in the pulse laser deposition (PLD) chamber helped to control the sp3/sp2 ratio to achieve the desired band
gap. Results are discussed with the help of Raman spectra, SEM TEM micrographs and optical measurements suggest that semiconducting carbon thin film deposited by PLD technique has retained its nanotubes structure except that its diameter has increased from 20 nm to 150 nm.
Keywords : Semiconducting carbon, Turpentine oil for CNTs, Pulse laser deposition technique, Raman spectroscopy studies
영어 초록
A carbon nanotube (CNT) of diameter ~ 20 nm has been synthesized by spray pyrolysis of turpentine oil using Ni/Fe catalyst. Pellet of CNTs has been used as a target to produce semiconducting carbon thin film of band gap 1.4 eV. Presence of oxygen pressure in the pulse laser deposition (PLD) chamber helped to control the sp3/sp2 ratio to achieve the desired bandgap. Results are discussed with the help of Raman spectra, SEM TEM micrographs and optical measurements suggest that semiconducting carbon thin film deposited by PLD technique has retained its nanotubes structure except that its diameter has increased from 20 nm to 150 nm.Keywords : Semiconducting carbon, Turpentine oil for CNTs, Pulse laser deposition technique, Raman spectroscopy studies
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