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Crystals
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Carbon Nano-Composite Materials
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Carbon Nano-Composite Materials

A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Inorganic Crystalline Materials".

Deadline for manuscript submissions: closed (15 October 2020) | Viewed by 6227

Special Issue Editors

Prof. Dr. Beomjoo Yang

E-Mail Website
Guest Editor
School of Civil Engineering, Chungbuk National University, Cheongju, Korea
Interests: functional construction materials; carbon nano-composites
Dr. Gwang Mok Kim

E-Mail Website
Guest Editor
Mineral Processing & Metallurgy Research Center, Resources Utilization Division, Korea Institute of Geoscience and Mineral Resources, Daejeon 34132, Republic of Korea
Interests: Carbon nanotube-embedded crystal composites

Special Issue Information

Dear Colleagues,

In recent years, there has been significant interest in crystalline composites embedded with nanoscale carbon reinforcements, such as carbon nanofiber, carbon nanotube, carbon nanoparticle, graphene, etc. The hybridization of carbon nanofillers with crystalline materials has resulted in improvements in the mechanical, electrical, and thermal properties of effective composites, and various application studies are underway based on the enhanced performances. The innovative characteristics of carbon nanofiller-reinforced crystalline nanocomposites is studied both experimentally and theoretically with the understanding of material mechanisms at the nano-to-macro levels. This Special Issue will collect manuscripts dealing with the recent advances and address future opportunities in the area of crystalline nanocomposites contacting carbon-nanofillers (carbon nano-composite materials). Interested researchers are invited to submit manuscripts on topics which include, but are not limited to the following:

  • Carbon nanofillers
  • Nano-composite materials
  • Crystalline matrix
  • Inorganic chemistry
  • Synthesis and characterizations
  • Functional properties
  • Surface functionalization
  • Filler dispersion
  • Engineering applications
  • Material simulations

Prof. Dr. Beomjoo Yang
Dr. Gwang Mok Kim
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. Crystals is an international peer-reviewed open access monthly 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 2600 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

  • Carbon nanofillers
  • Nano-composite materials
  • Crystalline matrix
  • Inorganic chemistry
  • Synthesis and characterizations
  • Functional properties
  • Surface functionalization
  • Filler dispersion
  • Engineering applications
  • Material simulations

Published Papers (2 papers)

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Research

10 pages, 2817 KiB  
Article
Synergistic Effect of MWCNT and Carbon Fiber Hybrid Fillers on Electrical and Mechanical Properties of Alkali-Activated Slag Composites
by Hyeong Min Park, Chanho Park, Jinho Bang, Minwook Lee and Beomjoo Yang
Crystals 2020, 10(12), 1139; https://doi.org/10.3390/cryst10121139 - 15 Dec 2020
Cited by 11 | Viewed by 2292 | Correction
Abstract
Herein, we investigated the synergistic effect of multi-walled carbon nanotube (MWCNT) and carbon fiber (CF) hybrid fillers on electrical and mechanical characteristics of alkali-activated slag (AAS) composites. Many studies on AAS composites have been conducted in the past; however, not much progress has [...] Read more.
Herein, we investigated the synergistic effect of multi-walled carbon nanotube (MWCNT) and carbon fiber (CF) hybrid fillers on electrical and mechanical characteristics of alkali-activated slag (AAS) composites. Many studies on AAS composites have been conducted in the past; however, not much progress has been made regarding characteristics of AAS composites with hybrid conductive fillers. The specimens with different mix proportions were fabricated in the present study, and numerous material characteristics, including flowability, electrical resistivity, and compressive strength of AAS composites were measured. In addition, the synergistic effects were investigated through scanning electron microscopy and thermogravimetric analysis. It was found that the 0.5 wt.% of MWCNTs and CFs lead the effects of the bridging and reducing crack propagation, thereby improving its electrical and mechanical performances. The filler exceeding a percolation point improved the electrical performance of the AAS composites; however, it interfered with the hydration process during the curing period, and caused a decrease in compressive strength of AAS composites. Full article
(This article belongs to the Special Issue Carbon Nano-Composite Materials)
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10 pages, 8752 KiB  
Article
Enhanced Thermoelectric Properties of WS2/Single-Walled Carbon Nanohorn Nanocomposites
by Ji Hoon Kim, Seunggun Yu, Sang Won Lee, Seung-Yong Lee, Keun Soo Kim, Yoong Ahm Kim and Cheol-Min Yang
Crystals 2020, 10(2), 140; https://doi.org/10.3390/cryst10020140 - 24 Feb 2020
Cited by 12 | Viewed by 3516
Abstract
Recently, two-dimensional tungsten disulfide (WS2) has attracted attention as a next generation thermoelectric material due to a favorable Seebeck coefficient. However, its thermoelectric efficiency still needs to be improved due to the intrinsically low electrical conductivity of WS2. In [...] Read more.
Recently, two-dimensional tungsten disulfide (WS2) has attracted attention as a next generation thermoelectric material due to a favorable Seebeck coefficient. However, its thermoelectric efficiency still needs to be improved due to the intrinsically low electrical conductivity of WS2. In the present study, thermoelectric properties of WS2 hybridized with highly conductive single-walled carbon nanohorns (SWCNHs) were investigated. The WS2/SWCNH nanocomposites were fabricated by annealing the mixture of WS2 and SWCNHs using a high-frequency induction heated sintering (HFIHS) system. By adding SWCNHs to WS2, the nanocomposites exhibited increased electrical conductivity and a slightly decreased Seebeck coefficient with the content of SWCNHs. Hence, the maximum power factor of 128.41 μW/mK2 was achieved for WS2/SWCNHs with 0.1 wt.% SWCNHs at 780 K, resulting in a significantly improved thermoelectric figure of merit (zT) value of 0.027 compared to that of pristine WS2 with zT 0.017. Full article
(This article belongs to the Special Issue Carbon Nano-Composite Materials)
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