{"title":"DC Biasing Effects on Properties of Carbon Nanowalls by Microwave Surface-Wave Plasma Chemical Vapor Deposition and Towards Transparent Electrode","authors":"S. Ichimura, S. Ichimura, Y. Hayashi, M. Umeno","doi":"10.14723/TMRSJ.41.229","DOIUrl":null,"url":null,"abstract":"We synthesized carbon nanowalls on a Si substrate by microwave surface -wave plasma chemical vapor deposition. The Raman scattering ID/IG ratio was changed by altering the DC bias applied to the growth substrate and the decrease in ID/IG with increasing DC bias appears to arise from the growing length of the carbon nanowalls. The ultrasonically separated carbon nanowalls in ethanol exhibited strong 2D -peak intensity and significant graphitization. A graphite layer of approximately 10 nm grew parallel to the substrate initially, and the carbon nanowalls grew on top of that. When the nanowalls were dispersed in ethanol and spin-coated onto PET, they exhibited a transmittance of 81% and a sheet resistance of 52 kΩ/□ without reduction treatment used in the graphene oxide.","PeriodicalId":23220,"journal":{"name":"Transactions-Materials Research Society of Japan","volume":"25 1","pages":"229-233"},"PeriodicalIF":0.0000,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Transactions-Materials Research Society of Japan","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.14723/TMRSJ.41.229","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
We synthesized carbon nanowalls on a Si substrate by microwave surface -wave plasma chemical vapor deposition. The Raman scattering ID/IG ratio was changed by altering the DC bias applied to the growth substrate and the decrease in ID/IG with increasing DC bias appears to arise from the growing length of the carbon nanowalls. The ultrasonically separated carbon nanowalls in ethanol exhibited strong 2D -peak intensity and significant graphitization. A graphite layer of approximately 10 nm grew parallel to the substrate initially, and the carbon nanowalls grew on top of that. When the nanowalls were dispersed in ethanol and spin-coated onto PET, they exhibited a transmittance of 81% and a sheet resistance of 52 kΩ/□ without reduction treatment used in the graphene oxide.
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