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Polymerization of conducting polymers inside carbon nanotubes
Steinmetz, Johannes,Kwon, Soyoung,Lee, Hyun-Jung,Abou-Hamad, Edy,Almairac, Robert,Goze-Bac, Christophe,Kim, Hwayong,Park, Yung-Woo Elsevier 2006 Chemical physics letters Vol.431 No.1
<P><B>Graphical abstract</B></P><P>Supercritical carbon dioxide impregnation is used to prepare carbon nanotubes filled with pyrrole and <I>N</I>-vinyl carbazole. After the impregnation, the monomers were polymerized inside the nanotubes. The samples are characterized by HRTEM and <SUP>1</SUP>H NMR.</P><ce:figure id='figure.0010'></ce:figure> <P><B>Abstract</B></P><P>Supercritical carbon dioxide is an universal tool to impregnate carbon nanotubes with a wide range of organic molecules. In this Letter, we present our results of carbon nanotubes filled with the photo-conducting polymer poly(<I>N</I>-vinyl carbazole) and the conducting polymer polypyrrole which were prepared by polymerizing the monomers inside the nanotubes. The endohedral nanotubes were characterized by HRTEM and <SUP>1</SUP>H NMR which confirmed that the encapsulated material was indeed the conducting polymer.</P>