페이지 정보작성자 최고관리자 작성일18-07-12 14:14 조회387회 댓글0건
Flexible electrodes fabricated with conducting soft electromaterials such as carbon nanotubes (CNTs), graphene and metal nanowires are of great interest for various applications, ranging from alternative electrodes for flexible electronics. However, the difficulty in processing these soft electro materials represents one of the key challenges to researchers working in this area. Unfortunately, unless the nanocarbon (NC) materials are highly functionalized with oxidative moieties or are shortened using ball milling, they agglomerate irreversibly at weight concentrations higher than 1.0 wt% because of their high aspect ratio (>500) and strong van der Waals attraction, making further processing difficult. However, such severe covalent functionalization of NC materials inevitably degrades their electrical and/or electronic properties to some degree. In this talk, I will present a novel method to fabricate the dispersant-free conducting pastes and inks with CNTs, graphene and nanocarbon (NC)/metal or metal oxide hybrid materials using supramolecular NCs having quadruple hydrogen bonding motifs. The judicious use of supramolecular interactions allows fabrication of printable, spinnable, and chemically compatible conducting pastes and inks with high-quality NC materials, that allow us to fabricate flexible electrodes on plastic substrates for soft electronics and textile electronics.
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