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Nanomaterials
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Graphene Related Materials for Thermal Management
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Graphene Related Materials for Thermal Management

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "2D and Carbon Nanomaterials".

Deadline for manuscript submissions: closed (31 March 2023) | Viewed by 3400

Special Issue Editors

Dr. Baoxing Xu

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Guest Editor
Department of Mechanical and Aerospace Engineering, University of Virginia, Charlottesville, VA 22903, USA
Interests: thermal-mechanical coupling; thermal response enabled device
Prof. Dr. Lin Zhang

E-Mail Website
Guest Editor
Department of Engineering Mechanics, Shandong University, Jinan 250061, China
Interests: nanoscale transport phenomena; thermal reflectance measurement; nondestructive evaluation
Special Issues, Collections and Topics in MDPI journals
Dr. Xian Zhang

E-Mail Website
Guest Editor
Department of Mechanical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030, USA
Interests: low-dimensional materials; thermal science; nanotechnology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

With the continuing miniaturization and the increasing power density of electronic devices, the associated thermal management becomes one of the most critical challenges to the performance, lifetime, and reliability of devices. Compared with metals or semiconductors, graphene has an extremely high intrinsic thermal conductivity due to its atomistic thickness and is widely accepted as an ideal material component for designing next-generation electronic devices with highly efficient thermal performance. Over the past several years, tremendous efforts have been made in the study of thermal properties in graphene-related materials, ranging from the exploration of thermal characterization approaches to the fundamental elucidation of the transport mechanism, and to the development of thermal regulation strategies.

This Special Issue aims to review the progress in this field and to further explore and foster graphene and its enabled materials, structures and devices for thermal management. Reviews, perspectives and original research articles are welcome. Research topics include but are not limited to the following:

  • Experimental measurement and characterization of the thermal properties of graphene-related materials and structures.
  • Theory and modeling of thermal transport in graphene-related materials.
  • Quantum coupling and correlation of thermal-electrical-mechanical properties in graphene.
  • Artificial intelligence (AI)- and machine learning (ML)-enabled design of graphene-enabled composite structures for thermal management.
  • Thermal response of graphene-related materials, structures and devices to external stimuli such as mechanical loading and moisture.
  • Synthesis and manufacturing of graphene-related materials for thermal applications.

Dr. Baoxing Xu
Prof. Dr. Lin Zhang
Dr. Xian Zhang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Nanomaterials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • thermal management
  • graphene related materials and structures
  • thermal coupling and correlation
  • electronic devices
  • thermal regulation and control

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Published Papers (3 papers)

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Research

10 pages, 2992 KiB  
Article
Graphene and 2D Hexagonal Boron Nitride Heterostructure for Thermal Management in Actively Tunable Manner
by Huibin Sun, Yunlei Jiang, Renjie Hua, Runhua Huang, Lei Shi, Yuan Dong, Suxia Liang, Jing Ni, Chi Zhang, Ruoyu Dong and Yingru Song
Nanomaterials 2022, 12(22), 4057; https://doi.org/10.3390/nano12224057 - 17 Nov 2022
Cited by 7 | Viewed by 1922
Abstract
Thermal management is a critical task for highly integrated or high-power semiconductor devices. Low dimensional materials including graphene and single-layer hexagonal boron nitride (BN) are attractive candidates for this task because of their high thermal conductivity, semi-conductivity and other excellent physical properties. The [...] Read more.
Thermal management is a critical task for highly integrated or high-power semiconductor devices. Low dimensional materials including graphene and single-layer hexagonal boron nitride (BN) are attractive candidates for this task because of their high thermal conductivity, semi-conductivity and other excellent physical properties. The similarities in crystal structure and chemistry between graphene and boron nitride provide the possibility of constructing graphene/BN heterostructures bearing unique functions. In this paper, we investigated the interfacial thermal transport properties of graphene/BN nanosheets via non-equilibrium molecular dynamics (NEMD) simulations. We observed a significant thermal rectification behavior of these graphene/BN nanosheets, and the rectification ratio increased with the system length increases up to 117%. This phenomenon is attributed to the mismatch of out-of-plane phonon vibration modes in two directions at the interface. In addition, we explored the underlying mechanism of the length dependence of the thermal transport properties. The results show promise for the thermal management of this two-dimensional heterostructure in an actively tunable manner. Full article
(This article belongs to the Special Issue Graphene Related Materials for Thermal Management)
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20 pages, 2164 KiB  
Article
Thermal Energy Transfer between Helium Gas and Graphene Surface According to Molecular Dynamics Simulations and the Monte Carlo Method
by Lin Zhang and Heng Ban
Nanomaterials 2022, 12(16), 2855; https://doi.org/10.3390/nano12162855 - 18 Aug 2022
Viewed by 1645
Abstract
The scattering of gases on solid surfaces plays a vital role in many advanced technologies. In this study, the scattering behavior of helium on graphene surfaces was investigated, including the thermal accommodation coefficient (TAC), outgoing zenith angle of helium, bounce number, and interaction [...] Read more.
The scattering of gases on solid surfaces plays a vital role in many advanced technologies. In this study, the scattering behavior of helium on graphene surfaces was investigated, including the thermal accommodation coefficient (TAC), outgoing zenith angle of helium, bounce number, and interaction time. First, we performed molecular dynamics simulations to describe the incident angle-resolved behaviors, and showed that the scattering is highly dependent on the zenith angle of incident helium but insensitive to the azimuthal angle. The contribution of the normal velocity component of the incident helium dominated the energy transfer. The nonlinear relationship of the parameters to the zenith angle of the incident helium could be suppressed by increasing the graphene temperature or decreasing the speed of the incident helium. Subsequently, the scattering performance considering all gas molecules in the hemispherical space was evaluated using the Monte Carlo method with angle-resolved results. The result showed that the TAC, its nominal components, and the zenith angle of the scattered helium increased with higher speeds of incident helium and lower temperatures of graphene. This study should provide a fundamental understanding of energy transfer between gas and two-dimensional materials and guidelines to tune the scattering behavior between them. Full article
(This article belongs to the Special Issue Graphene Related Materials for Thermal Management)
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Graphical abstract

16 pages, 9631 KiB  
Article
Pool-Boiling Performance on Thin Metal Foils with Graphene-Oxide-Nanoflake Deposit
by Tadej Bregar, Matevž Vodopivec, Tim Pečnik, Matevž Zupančič and Iztok Golobič
Nanomaterials 2022, 12(16), 2772; https://doi.org/10.3390/nano12162772 - 12 Aug 2022
Cited by 5 | Viewed by 1541
Abstract
The pool-boiling performance of water on thin metal foils with graphene-oxide deposition was studied. The boiling performance was evaluated both on fully coated surfaces, achieved by spin-coating, and surfaces with a laser-textured nucleation site, into which graphene oxide was added via drop-casting. During [...] Read more.
The pool-boiling performance of water on thin metal foils with graphene-oxide deposition was studied. The boiling performance was evaluated both on fully coated surfaces, achieved by spin-coating, and surfaces with a laser-textured nucleation site, into which graphene oxide was added via drop-casting. During the experiments, a high-speed IR camera was used to obtain the transient temperature and heat-flux distribution. At the same time, a high-speed video camera was used to acquire synchronized bubble-growth recordings. In addition, a surface-wettability analysis was conducted for all the samples. In the case of fully coated samples, graphene-oxide deposition resulted in an increased number of active nucleation sites and an increase in the nucleation temperature, leading to a lowered nucleation frequency. Meanwhile, samples with a single laser-textured nucleation site enabled the analysis of isolated vapor bubbles, confirming that graphene-oxide deposition leads to a higher nucleation temperature, consequently resulting in a larger bubble-departure diameter and longer growth time. Two explanations for the results are proposed: the wettability of graphene-oxide deposition and the filling of surface microcavities with graphene-oxide nanoflakes. Full article
(This article belongs to the Special Issue Graphene Related Materials for Thermal Management)
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