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    Supercritical CO 2 -philic nanoparticles suitable for determining the viability of carbon sequestration in shale

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    Type
    Article
    Authors
    Xu, Yisheng
    Chen, Lin
    Zhao, Yushi
    Cathles, Lawrence M.
    Ober, Christopher K.
    Date
    2015
    Permanent link to this record
    http://hdl.handle.net/10754/599800
    
    Metadata
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    Abstract
    © The Royal Society of Chemistry. A fracture spacing less than a decimeter is probably required for the successful sequestration of CO2 in shale. Tracer experiments using inert nanoparticles could determine if a fracturing this intense has been achieved. Here we describe the synthesis of supercritical CO2-philic nanoparticles suitable for this application. The nanoparticles are ~50 nm in diameter and consist of iron oxide (Fe3O4) and silica (SiO2) cores functionalized with a fluorescent polymeric corona. The nanoparticles stably disperse in supercritical carbon dioxide (scCO2) and are detectable to concentrations of 10 ppm. This journal is
    Citation
    Xu Y, Chen L, Zhao Y, Cathles LM, Ober CK (2015) Supercritical CO 2 -philic nanoparticles suitable for determining the viability of carbon sequestration in shale . Environ Sci: Nano 2: 288–296. Available: http://dx.doi.org/10.1039/c5en00003c.
    Sponsors
    We acknowledge the Cornell KAUST Center for Sustainable Energy Development for financial support of Xu and Chen and for providing laboratory space and analytical instrumentation. We acknowledge the financial support of DOE (grant DE-FE0004633) and NSFC (21306049). We also acknowledge the Cornell Center for Materials Research (CCMR) for electron microscopy analysis.
    Publisher
    Royal Society of Chemistry (RSC)
    Journal
    Environmental Science: Nano
    DOI
    10.1039/c5en00003c
    ae974a485f413a2113503eed53cd6c53
    10.1039/c5en00003c
    Scopus Count
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