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Effect of Surface Oxidation on the Colloidal Stability and Sorption Properties of Carbon Nanotubes

Effect of Surface Oxidation on the Colloidal Stability and Sorption Properties of Carbon Nanotubes
表面氧化对碳纳米管胶体稳定性和吸附性能的影响
批准号:
0731147
负责人:
William Ball
金额:
$40.0万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
2007
资助国家:
美国
项目状态:
已结题
起止时间:
2007-09-01 至 2011-08-31

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英文摘要
CBET-0731147William BallJohns Hopkins UniversityEffect of Surface Oxidation on the Colloidal Stability and Sorption Properties of Carbon NanotubesThis project will characterize relationships between the surface composition and colloidal stability of carbon nanotubes (CNT) and their sorption properties in aquatic environments. Such information is critically important for the development of models to predict the transport properties and environmental impacts of CNTs and related hierarchical nanostructures. The project also will develop analytical techniques to characterize the surface properties of black carbon materials, providing quantitative information on the concentration of oxygen and the distribution of surface-bound oxygen-containing functional groups produced on CNTs exposed to different oxidizing conditions. Sorption studies will provide a database that can be used to compare and contrast CNT properties with more traditional, well-studied black carbon (BC) sorbents such as soots, chars and activated carbons.
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