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The edge-functionalization of graphene nanoplatelets (GnP) was carried out exploiting diazonium chemistry, aiming at the synthesis of edge decorated nanoparticles to be used as building blocks in the preparation of engineered nanostructured…

Self-heating is a severe problem for high-power microelectronic devices. Graphene and few-layer graphene have attracted tremendous attention for heat removal thanks to their extraordinarily high in-plane thermal conductivity. However, this…

To achieve high thermal conductivity (k) of polymer graphene nanocomposites, it is critically important to achieve efficient thermal coupling between graphene and its surrounding polymers through effective functionalization schemes. In this…

The authors report on synthesis and thermal properties of the electrically-conductive thermal interface materials with the hybrid graphene-metal particle fillers. The thermal conductivity of resulting composites was increased by ~500% in a…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Vivek Goyal , Alexander A. Balandin

We report on heat conduction properties of thermal interface materials with self-aligning "magnetic grapheme" fillers. Graphene enhanced nano-composites were synthesized by an inexpensive and scalable technique based on liquid-phase…

Materials Science · Physics 2015-10-16 J. Renteria , S. Legedza , R. Salgado , M. P. Balandin , S. Ramirez , M. Saadah , F. Kargar , A. A. Balandin

Despite the uniquely high thermal conductivity of graphene is well known, the exploitation of graphene into thermally conductive nanomaterials and devices is limited by the inefficiency of thermal contacts between the individual nanosheets.…

Graphene nanosheets (GNS) paper is widely regarded as a promising candidate for heat dissipation due to its outstanding thermal conductivity. However, the accompanied high electrical conductivity makes it unfavorable for thermal management…

Mesoscale and Nanoscale Physics · Physics 2023-05-08 Xiaojuan Tian

In this work, electrically and thermally conductive poly (butylene terephthalate) nanocomposites were prepared by in-situ ring-opening polymerization of cyclic butylene terephthalate (CBT) in presence of a tin-based catalyst. One type of…

Materials Science · Physics 2016-10-28 S. Colonna , O. Monticelli , J. Gomez , C. Novara , G. Saracco , A. Fina

Nanopapers based on graphene and related materials were recently proposed for application in heat spreader applications. To overcome typical limitations in brittleness of such materials, this work addressed the combination of graphite…

Materials Science · Physics 2021-01-26 Kun Li , Daniele Battegazzore , Orietta Monticelli , Alberto Fina

This paper deals with the preparation and characterization of conductive and flexible sheets based on graphite nanoplates (GNP) and polydimethylsiloxane (PDMS). Highly porous GNP nanopaper were prepared by filtration from a GNP suspension…

Applied Physics · Physics 2021-01-29 Daniele Battegazzore , Alberto Fina

We review the current state of the art of graphene-enhanced thermal interface materials for the management of heat the next generation of electronics. Increased integration densities, speed, and power of electronic and optoelectronic…

Applied Physics · Physics 2020-08-26 Jacob S. Lewis , Timothy Perrier , Zahra Barani , Fariborz Kargar , Alexander A. Balandin

Different types of graphene-related materials (GRM) are industrially available and have been exploited for thermal conductivity enhancement in polymers. These include materials with very different features, in terms of thickness, lateral…

Applied Physics · Physics 2021-01-25 Samuele Colonna , Daniele Battegazzore , Matteo Eleuteri , Rossella Arrigo , Alberto Fina

Self-heating is a severe problem for high-power GaN electronic and optoelectronic devices. Various thermal management solutions, e.g. flip-chip bonding or composite substrates have been attempted. However, temperature rise still limits…

Materials Science · Physics 2015-06-04 Zhong Yan , Guanxiong Liu , Javed M. Khan , Alexander A. Balandin

Low thermal conductivity of polymers, which is one of the considerable drawbacks of commonly used composite structures, has been the focus of many researchers aiming to achieve high-performance polymer-based nanocomposites through the…

Materials Science · Physics 2021-06-22 Leila Razzaghi , Maryam Khalkhali , Ali Rajabpour , Farhad Khoeini

Graphene was recently proposed as a material for heat removal owing to its extremely high thermal conductivity. We simulated heat propagation in silicon-on-insulator circuits with and without graphene lateral heat spreaders. Numerical…

Materials Science · Physics 2010-02-06 Samia Subrina , Dmitri Kotchetkov , Alexander A. Balandin

Graphene is a very promising material for nanoelectronics applications due to its unique and remarkable electronic and thermal properties. However, when deposited on metallic electrodes the overall thermal conductivity is significantly…

The incorporation of graphene-related materials as nanofiller can produce multifunctional foams with enhanced specific properties and density reduction. Herein we report on the preparation of microcellular thermoplastic…

This is a theoretical study of electron transport in gated bilayer graphene - a novel semiconducting material with a tunable band gap. It is shown that the which-layer pseudospin coherence enhances the subgap conductivity and facilitates…

Mesoscale and Nanoscale Physics · Physics 2012-05-28 Maxim Trushin

We report the results of an experimental study of thermal and magnetic properties of nanostructured ferrimagnetic iron oxide composites with graphene and graphite fillers synthesized via the current activated pressure assisted…

Materials Science · Physics 2017-10-19 S. Ramirez , K. Chan , R. Hernandez , E. Recinos , E. Hernandez , R. Salgado , A. G. Khitun , J. E. Garay , A. A. Balandin

The extremely high thermal conductivity of graphene has received great attention both in experiments and calculations. Obviously, new feature in thermal properties is of primary importance for application of graphene-based materials in…

Materials Science · Physics 2018-08-10 Haifei Zhan , Gang Zhang , Chunhui Yang , Yuantong Gu
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