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Synthesis, Characterization and Bioapplications of Pristine Graphene: A Review 原始石墨烯的合成、表征及生物应用综述
Universal Journal of Carbon Research Pub Date : 2023-01-31 DOI: 10.37256/ujcr.1120231898
Sakib Ishraq, Yuxin Liu
{"title":"Synthesis, Characterization and Bioapplications of Pristine Graphene: A Review","authors":"Sakib Ishraq, Yuxin Liu","doi":"10.37256/ujcr.1120231898","DOIUrl":"https://doi.org/10.37256/ujcr.1120231898","url":null,"abstract":"Graphene, ostensibly the strongest material to date, has been a topic of interest for engineers, scientists and researchers since its first isolation through mechanical exfoliation through forming mechanical cleavage of a graphite. The thickness of the sp2 hybridized carbon framework is only one atomic layer. The unique physical, electrochemical and optical properties, such as room temperature hall effect, large surface area, and excellent electrical conductivity caused from high electron mobility, make graphene become an attractive material in the fields of nanoelectronics, biosensing, biomedical engineering and related applications. The high demand of this material has led to the development of many synthesis methods and different characterization methods, and towards ensuring lower defects, high quality and large-scale production. In this paper, a comprehensive overlook of the electronic, physical and optical characteristics of graphene, synthesis methods, characterization techniques, and integration level applications are reviewed with solely focusing on pristine graphene.","PeriodicalId":355701,"journal":{"name":"Universal Journal of Carbon Research","volume":"426 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121206230","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Heavy Metals Adsorption on Cyanex-272 Modified Activated Carbon: Efficacy and Selectivity 改性活性炭对重金属的吸附效果及选择性研究
Universal Journal of Carbon Research Pub Date : 2023-01-31 DOI: 10.37256/ujcr.1120231937
Zeinab Ezzeddine, Layla Abdallah, Hussein Hamad
{"title":"Heavy Metals Adsorption on Cyanex-272 Modified Activated Carbon: Efficacy and Selectivity","authors":"Zeinab Ezzeddine, Layla Abdallah, Hussein Hamad","doi":"10.37256/ujcr.1120231937","DOIUrl":"https://doi.org/10.37256/ujcr.1120231937","url":null,"abstract":"This study investigated the potential use of activated carbon functionalized with Cyanex272 (AC-Cyanex 272), in the removal of lead, copper and zinc cations from aqueous solutions. The modified adsorbent was characterized by powder X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy, Zeta-Meter and particle size distribution. Batch adsorption experiments were performed as a function of pH, contact time, and initial metal ion concentration. Adsorption was found dependent on these parameters. The adsorption capacities were very high (126.36, 175.5 and 157.16 mg g-1 for Pb2+, Cu2+ and Zn2+ respectively). Langmuir and Freundlich isotherms were used as models for the equilibrium adsorption data and adsorption kinetic data are best described by the second order model.","PeriodicalId":355701,"journal":{"name":"Universal Journal of Carbon Research","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133271346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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