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Bispyrene Functionalization Drives Self-Assembly of Graphite Nanoplates into Highly Efficient Heat Spreader Foils by Giuseppe Ferraro; M. Mar Bernal; Fabio Carniato; Chiara Novara; Mauro Tortello; Silvia Ronchetti; Fabrizio Giorgis; Alberto Fina is a Engineering article available to read on EtoBox.
What is Bispyrene Functionalization Drives Self-Assembly of Graphite Nanoplates into Highly Efficient Heat Spreader Foils about?
Thermally conductive nanopapers fabricated from graphene and related materials are currently showing great potential in thermal management applications. However, thermal contacts between conductive plates represent the bottleneck for thermal conductivity of nanopapers prepared in the absence of a high temperature step for graphitization. In this work, the problem of ineffective thermal contacts is addressed by the use of bifunctional polyaromatic molecules designed to drive self-assembly of graphite nanoplates (GnP) and establish thermal bridges between them. To preserve the high conductivity associated to a defect-free sp^2^ structure, non-covalent functionalization with bispyrene compounds, synthesized on purpose with variable tethering chain length, was exploited. Pyrene terminal groups granted for a strong π–π interaction with graphene surface, as demonstrated by UV–Vis, fluorescence, and Raman spectroscopies. Bispyrene molecular junctions between GnP were found to control GnP organization and orientation within the nanopaper, delivering significant enhancement in both in-plane and cross-plane thermal diffusivities. Finally, nanopapers were validated as heat spreader devices fo
Who reads Bispyrene Functionalization Drives Self-Assembly of Graphite Nanoplates into Highly Efficient Heat Spreader Foils?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Giuseppe Ferraro; M. Mar Bernal; Fabio Carniato; Chiara Novara; Mauro Tortello; Silvia Ronchetti; Fabrizio Giorgis; Alberto Fina
- Publisher
- American Chemical Society (ACS)
- Published
- 2021
- Language
- EN
- Field
- Engineering (Physical Sciences)