Abstract
We propose a process for easily fabricating a unique one-dimensional fullerene crystal, i.e., a fullerene finned-micropillar (FFMP). To fabricate a one-dimensional fullerene crystal more easily than when using current processes, fullerene was first annealed at 1173 K for 1 h with an argon gas flow of 0.5 L/min. We then examined how the FFMP structure changed when the fabrication process conditions, such as temperature, annealing time, and argon gas flow rate, were varied. FFMPs can be prepared within a short time and may have the same electrical characteristics as other one-dimensional crystals, e.g., fullerene nanowhiskers, so they are expected to be very useful for field-effect transistors, organic photovoltaics, and so on in the near future.
Highlights
We propose a process for fabricating a unique one-dimensional fullerene crystal, i.e., a fullerene finned-micropillar (FFMP)
We conducted a series of experiments to evaluate the effectiveness of our proposed process of fabricating FFMPs as described in “Methods” section
We confirmed that a certain amount of fullerene remained at the put position before annealing and a certain amount of recrystallized material, including FFMPs and soot, was produced near the disposal line
Summary
We propose a process for fabricating a unique one-dimensional fullerene crystal, i.e., a fullerene finned-micropillar (FFMP). To fabricate a one-dimensional fullerene crystal more than when using current processes, fullerene was first annealed at 1173 K for 1 h with an argon gas flow of 0.5 L/ min. Liquid–liquid interfacial precipitation (LLIP) is a widely known method for producing FNWs, but it requires expert skills and takes several d ays[8]. These requirements are considered factors that will hinder applying one-dimensional fullerene crystals in the future. We propose a process for fabricating a new fullerene one-dimensional crystal named a fullerene finnedmicropillar (FFMP) that is less complicated and time-consuming. This process will lead to mass production of one-dimensional fullerene crystals and has the potential to contribute to the further development of fullerene applications
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