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Polymers
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Low-Dimensional Carbon-Based Polymer Composites: Preparation, Properties and Applications
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Low-Dimensional Carbon-Based Polymer Composites: Preparation, Properties and Applications

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Composites and Nanocomposites".

Deadline for manuscript submissions: closed (20 October 2024) | Viewed by 7861

Special Issue Editors

Dr. Hao Li

E-Mail Website
Guest Editor
School of Materials, Northwestern Polytechnical University, Xi’an, China
Interests: graphene; carbon nanotube; carbon quantum dot; polymer; nanocomposite
Special Issues, Collections and Topics in MDPI journals
Dr. Delong He

E-Mail Website
Guest Editor
Laboratoire de Mécanique Paris-Saclay, Université Paris-Saclay, CentraleSupélec, ENS Paris-Saclay, CNRS, 91190 Gif-sur-Yvette, France
Interests: multifunctional composites; carbon nanomaterials; energy harvesting and storage; laser-mater interaction
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Low-dimensional carbon materials include zero-dimensional carbon quantum dots, fullerenes, one-dimensional carbon nanotubes, two-dimensional graphene and other related materials, which have unique optical, electrical, magnetic, thermal, mechanical properties and a large specific surface area. By compounding with polymers, the microstructure of the composites can be regulated, to obtain excellent performance with broad application prospects in the fields of flexible electronics, biomedicine, energy storage, electromagnetic shielding, water treatment, etc.

This Special Issue invites original research articles and critical reviews on the most recent advancements of low-dimensional carbon-based polymer composites. Potential topics include but are not limited to:

  • Polymer composites based on carbon quantum dots, fullerenes, carbon nanotubes, graphene, etc.;
  • Preparation and characterization of low-dimensional materials as polymer fillers;
  • Structures, properties and applications of low-dimensional carbon/polymer composites;
  • Design and functionalization of multidimensional and multi-scale composites. 

Dr. Hao Li
Dr. Delong He
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. Polymers 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 2700 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

  • low-dimensional material
  • polymer composite
  • carbon quantum dot
  • fullerene
  • carbon nanotube
  • graphene
  • preparation
  • application

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Published Papers (4 papers)

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Research

11 pages, 4337 KiB  
Article
Preparation and Properties of Cyano-Functionalized Graphitic Nanoplatelets for High-Performance Acrylonitrile Butadiene Styrene Resin
by Seo-Jeong Yoon, Se-Jung Lee, Jae-Hoon Baek, Tae-Hee Kim and In-Yup Jeon
Polymers 2024, 16(20), 2859; https://doi.org/10.3390/polym16202859 - 10 Oct 2024
Viewed by 543
Abstract
Cyano-functionalized graphitic nanoplatelets (CyGNs) are synthesized by means of a mechanochemical reaction between graphite and acrylonitrile. The resulting CyGNs exhibit excellent mechanical properties and are highly dispersible in various solvents (i.e., THF). Due to their chemical compatibility (specifically, cyano functional groups), the CyGNs [...] Read more.
Cyano-functionalized graphitic nanoplatelets (CyGNs) are synthesized by means of a mechanochemical reaction between graphite and acrylonitrile. The resulting CyGNs exhibit excellent mechanical properties and are highly dispersible in various solvents (i.e., THF). Due to their chemical compatibility (specifically, cyano functional groups), the CyGNs serve effectively as a reinforcing filler for acrylonitrile butadiene styrene (ABS) resin. Consequently, compared to pure ABS, CyGN&ABS-X demonstrates improved mechanical properties and better thermal stability. Notably, the CyGN&ABS-1 specimen exhibits significant enhancements in the tensile strength (26 ± 1 MPa), Young’s modulus (992 ± 71 MPa), and tensile toughness (22 ± 3 MPa), representing increases of approximately 130.6%, 19.2%, and 59.6%, respectively, over pure ABS. This underscores the ability of a mechanochemical reaction to directly modify the functional groups of graphitic nanoplatelets (GnPs) as fillers, facilitating their strong compatibility with a variety of polymers, including copolymers. Full article
(This article belongs to the Special Issue Low-Dimensional Carbon-Based Polymer Composites: Preparation, Properties and Applications)
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20 pages, 16793 KiB  
Article
Dispersion Characteristics, the Mechanical, Thermal Stability, and Durability Properties of Epoxy Nanocomposites Reinforced with Carbon Nanotubes, Graphene, or Graphene Oxide
by Miraidin Mirzapour, Patrice Cousin, Mathieu Robert and Brahim Benmokrane
Polymers 2024, 16(13), 1836; https://doi.org/10.3390/polym16131836 - 27 Jun 2024
Cited by 1 | Viewed by 1113
Abstract
Carbon-based nanoparticles (CBNs) are regarded as promising nanofillers in nanocomposites to produce high-performance fiber-reinforced polymers (FRPs). To date, no systematic investigations have been carried out on the structural variations of nanofillers and their influences on dispersion characteristics, which give nanocomposites their mechanical and [...] Read more.
Carbon-based nanoparticles (CBNs) are regarded as promising nanofillers in nanocomposites to produce high-performance fiber-reinforced polymers (FRPs). To date, no systematic investigations have been carried out on the structural variations of nanofillers and their influences on dispersion characteristics, which give nanocomposites their mechanical and durability properties. Moreover, environmentally unfriendly organic solvents are used to exfoliate and disperse CBNs in a polymer matrix. This study developed a green, easy approach to preparing epoxy/CBN nanocomposites. We demonstrated graphene oxide’s (GO) effective dispersion capacity, creating good interface interaction that dramatically influenced properties at loadings as low as 0.4 wt%. The tensile strength and toughness of the epoxy increased by about 49%; and 160%, respectively. Incorporating 0.4 wt% of multi-wall carbon nanotubes (MWCNTs), graphene nanoplates (GNPs), or GO into the epoxy increased the modulus storage by around 17%, 25%, and 31%, respectively. Fractography analysis of fracture surfaces indicated the primary reinforcing mechanisms (crack deflection and penning) as well as the secondary mechanism (bridging effect) enhancing the mechanical characteristics of nanocomposites. Incorporating GNPs, GO, or MWCNTs into the epoxy decreased the water absorption at saturation by about 26%, 22%, and 16%, respectively. Full article
(This article belongs to the Special Issue Low-Dimensional Carbon-Based Polymer Composites: Preparation, Properties and Applications)
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13 pages, 5232 KiB  
Article
Flexible Wearable Strain Sensors Based on Laser-Induced Graphene for Monitoring Human Physiological Signals
by Yao Zou, Mian Zhong, Shichen Li, Zehao Qing, Xiaoqing Xing, Guochong Gong, Ran Yan, Wenfeng Qin, Jiaqing Shen, Huazhong Zhang, Yong Jiang, Zhenhua Wang and Chao Zhou
Polymers 2023, 15(17), 3553; https://doi.org/10.3390/polym15173553 - 26 Aug 2023
Cited by 43 | Viewed by 3286
Abstract
Flexible wearable strain sensors based on laser-induced graphene (LIG) have attracted significant interest due to their simple preparation process, three-dimensional porous structure, excellent electromechanical characteristics, and remarkable mechanical robustness. In this study, we demonstrated that LIG with various defects could be prepared on [...] Read more.
Flexible wearable strain sensors based on laser-induced graphene (LIG) have attracted significant interest due to their simple preparation process, three-dimensional porous structure, excellent electromechanical characteristics, and remarkable mechanical robustness. In this study, we demonstrated that LIG with various defects could be prepared on the surface of polyimide (PI) film, patterned in a single step by adjusting the scanning speed while maintaining a constant laser power of 12.4 W, and subjected to two repeated scans under ambient air conditions. The results indicated that LIG produced at a scanning speed of 70 mm/s exhibited an obvious stacked honeycomb micropore structure, and the flexible strain sensor fabricated with this material demonstrated stable resistance. The sensor exhibited high sensitivity within a low strain range of 0.4–8.0%, with the gauge factor (GF) reaching 107.8. The sensor demonstrated excellent stability and repeatable response at a strain of 2% after approximately 1000 repetitions. The flexible wearable LIG-based sensor with a serpentine bending structure could be used to detect various physiological signals, including pulse, finger bending, back of the hand relaxation and gripping, blinking eyes, smiling, drinking water, and speaking. The results of this study may serve as a reference for future applications in health monitoring, medical rehabilitation, and human–computer interactions. Full article
(This article belongs to the Special Issue Low-Dimensional Carbon-Based Polymer Composites: Preparation, Properties and Applications)
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13 pages, 4179 KiB  
Communication
Photoluminescence Performance and Photocatalytic Activity of Modified Carbon Quantum Dots Derived from Pluronic F127
by Linlin Liu, Yue Zhang, Youliang Cheng, Jing Chen and Fengjuan Li
Polymers 2023, 15(4), 850; https://doi.org/10.3390/polym15040850 - 8 Feb 2023
Cited by 2 | Viewed by 1629
Abstract
The photocatalytic degradation of organic dyes in waste water using carbon quantum dots (CQDs) remains a hot topic due to the importance of environmental protection. However, identifying suitable carbon resources and successful surface modification are still challenging. Herein, the hydrothermal method and surface [...] Read more.
The photocatalytic degradation of organic dyes in waste water using carbon quantum dots (CQDs) remains a hot topic due to the importance of environmental protection. However, identifying suitable carbon resources and successful surface modification are still challenging. Herein, the hydrothermal method and surface modification of ammonia and thionyl chloride were applied to synthesize CQDs with different surface groups using PEO106PPO70PEO106 (Pluronic F127) as a carbon source. The average particle size of the as-prepared CQDs was in the range of 2.3–3.5 nm. The unmodified CQDs had the highest relative photoluminescence intensity, while all as-prepared CQDs exhibited abnormal photoluminescence located outside the scope of the visible spectrum. Interestingly, CQDs modified with ammonia achieved a degradation rate of 99.13% (15 d) for 50 mg/L indigo carmine solution, while CQDs modified with thionyl chloride reached a degradation rate of 97.59% (15 d) for light green SF yellowish solution. Therefore, in this work, two typical organic dyes can be effectively photocatalytically degraded by as-prepared CQDs, with suitable surface modification. Full article
(This article belongs to the Special Issue Low-Dimensional Carbon-Based Polymer Composites: Preparation, Properties and Applications)
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