Carbon nanotubes hold promise to revolutionize molecular-scale electronics. This only holds true if methods are devised that allow for an exquisite control of their nature (multi versus single wall, diameter, length, and conductivity). In this regard, current bulk syntheses afford, in all cases, polydisperse materials. Thus, molecular strategies are much needed to provide atomic definition of the resulting species, which result in a single set of properties. Within this research endeavor, we have developed a viable and tunable methodology to synthesize atomically precise cylindrical organic frameworks- termed tubularenes. Our synthetic approach is based on a step-by-step growth, also referred to as <i>lego-style</i> build up. The target cylindrical structures are synthesized from a templating cap based on well-known resorcin[n]arenes. The tubular structure is achieved in the final step by a Suzuki cross-coupling cyclization. The as-synthesized tubularenes are a new family of organic compounds, which will open avenues for many applications such as fractional gas separation, intermediate size models for cryo-electron microscopy, and supercapacitors in device fabrication among others. The successful implementation of tubularenes will dramatically contribute to the development of the nanomaterial world.

Tubularenes: Redefining carbon-based nanotubes

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.