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Polymers are widely used in industry and in our daily life because of their diverse functionality, light weight, low cost and excellent chemical stability. However, on some applications such as heat exchangers and electronic packaging, the…

Materials Science · Physics 2018-05-16 Congliang Huang , Xin Qian , Ronggui Yang

Polymers are usually considered as thermal insulators and their applications are limited by their low thermal conductivity. However, recent studies showed that certain polymers have surprisingly high thermal conductivity, some of which are…

Mesoscale and Nanoscale Physics · Physics 2018-05-17 Xiangfan Xu , Jie Chen , Jun Zhou , Baowen Li

In this article, we review thermal transport in polymers with different morphologies from aligned fibers to bulk amorphous states. We survey early and recent efforts in engineering polymers with high thermal conductivity by fabricating…

Materials Science · Physics 2020-12-22 Xingfei Wei , Zhi Wang , Zhiting Tian , Tengfei Luo

Semi-crystalline polymers have been shown to have greatly increased thermal conductivity compared to amorphous bulk polymers due to effective heat conduction along the covalent bonds of the backbone. However, the mechanisms governing the…

Mesoscale and Nanoscale Physics · Physics 2015-12-09 Andrew B. Robbins , Austin J. Minnich

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

Polymer nanofibers with high thermal conductivities and outstanding thermal stabilities are highly desirable in heat transfer-critical applications such as thermal management, heat exchangers and energy storage. In this work, we unlock the…

Chemical Physics · Physics 2014-09-12 Teng Zhang , Xufei Wu , Tengfei Luo

Micro/nano porous polymeric material is considered a unique industrial material due to its extremely low thermal conductivity, low density, and high surface area. Therefore, it is necessary to establish an accurate thermal conductivity…

Computational Physics · Physics 2021-08-31 Haiyan Yu , Haochun Zhang , Jinchuan Zhao , Jing Liu , Xinlin Xia , Xiaohu Wu

Thermal transport properties of amorphous carbon has attracted increasing attention due to its extreme thermal properties: It has been reported to have among the highest thermal conductivity for bulk amorphous solids up to $\sim$ 37…

Disordered Systems and Neural Networks · Physics 2024-05-14 Jaeyun Moon , Zhiting Tian

The thermal transport properties of oriented polymers are of fundamental and practical interest. High thermal conductivities ($\gtrsim 50$ Wm$^{-1}$K$^{-1}$) have recently been reported in disentangled ultra-high molecular weight…

Materials Science · Physics 2022-05-18 Taeyong Kim , Stavros X. Drakopoulos , Sara Ronca , Austin J. Minnich

Thermoelectric films and periodic structures have particularly intriguing electrical and thermal transport features due to their low dimensionality. As a result, they have piqued the attention of researchers from across the spectrum of…

Materials Science · Physics 2024-02-23 Nagaraj Nandihalli

The mechanism of thermal conductivity in amorphous polymers, especially polymer fibers, is unclear in comparison with that in inorganic materials. Here, we report the observation of across over of heat conduction behavior from three…

Achieving low thermal conductivity and good electrical properties is a crucial condition for thermal energy harvesting materials. Nanostructuring offers a very powerful tool to address both requirements: in nanostructured materials,…

Mesoscale and Nanoscale Physics · Physics 2018-09-14 Giuseppe Romano , Jesús Carrete , Alexie M. Kolpak , David Broido

Phononic silicon structures have emerged as an integrable and scalable nanosystem for tailoring thermal transport. However, their widespread adoption has been limited by their complex fabrication pathways. Alongside, the reliable…

Parylene C thin films have significant applications in advanced packaging of microelectronics. Their thermal properties are critical for thermal management of electronic devices. However, a unified understanding of the tunable structure and…

Materials Science · Physics 2026-03-05 Yicheng Wei , Han Xu , Xingqiang Zhang , Wei Wang , Zhe Cheng

A comprehensive rational thermal material design paradigm requires the ability to reduce and enhance the thermal conductivities of nanomaterials. In contrast to the existing ability to reduce the thermal conductivity, methods that allow to…

Mesoscale and Nanoscale Physics · Physics 2017-10-09 Abhinav Malhotra , Kartik Kothari , Martin Maldovan

The poor thermal conductivity of bulk polymers may be enhanced by combining them with high thermal conductivity materials such as carbon nanotubes. Different from random doping, we find that the aligned carbon nanotube-polyethylene…

Materials Science · Physics 2015-04-01 Quanwen Liao , Zhichun Liu , Wei Liu , Chengcheng Deng , Nuo Yang

The free standing solid polymer nanocomposite films has been prepared through standard solution cast technique. The improvement in structural, microstructural and electrochemical properties has been observed on the dispersion of nanofiller…

Materials Science · Physics 2018-07-16 Anil Arya , A. L. Sharma

Despite the desirability of polymers for use in many products due to their flexibility, light weight, and durability, their status as thermal insulators has precluded their use in applications where thermal conductors are required. However,…

Computational Physics · Physics 2023-10-26 Ethan Abraham , Mohammadhasan Dinpajooh , Clàudia Climent , Abraham Nitzan

Recently, some reports show that the ultra-low thermal conductivity of bulk polymers can be enhanced along one direction, which limits its applications. Here, we proposed paved crosswise laminate methods which can enhance the thermal…

Materials Science · Physics 2021-01-13 Xiaoxiang Yu , Chengcheng Deng , Xiaoming Huang , Nuo Yang

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
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