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Polymer Materials in Electron Transfer-Based Devices

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Smart and Functional Polymers".

Deadline for manuscript submissions: closed (21 September 2024) | Viewed by 2862

Special Issue Editors


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Guest Editor
Light Industry College, Liaoning University, Shenyang 110036, China
Interests: polyoxometalates; electrochromism; metal organic framework
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
School of Chemistry, Liaoning University, Shenyang, China
Interests: metal-organic framework; metal complexes

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Guest Editor
Light Industry College, Liaoning University, Shenyang, China
Interests: polymers; electrolyte; electrode material; electrochromism

Special Issue Information

Dear Colleagues,

Electron transfer is a fundamental concept in chemistry, physics, and material science that underlies various chemical processes, biological processes, and technological applications. It involves the movement of electrons between atoms, ions, or molecules and is central to understanding and manipulating chemical and physical systems. Numerous state-of-the-art functional devices and materials are associated with the process of electron transfer. Furthermore, an increasing number of polymer materials are playing crucial roles in this process. This Special Issue focuses on functional devices based on electron transfer processes involving polymer materials, including but not limited to capacitors, batteries, photovoltaic devices, sensors, electrochromic devices, thermoelectric devices, and so on.

Dr. Shi-Ming Wang
Dr. Lin Liu
Dr. Ming-Yue Zhang
Guest Editors

Manuscript Submission Information

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Keywords

  • electron transfer
  • functional devices
  • polymers
  • electrochromic
  • sensors

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Published Papers (2 papers)

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Research

12 pages, 4110 KiB  
Article
Investigation into the Internal Factors for the Catalytic Oxidation of Cyclohexane by Zr(IV)-Based Metal-Organic Frameworks
by Kechao Wang, Zhi-Peng Tao, Jia-Qi Chu, Shi-Ming Wang and Zheng-Bo Han
Polymers 2024, 16(22), 3114; https://doi.org/10.3390/polym16223114 - 6 Nov 2024
Viewed by 1381
Abstract
Three porous Zr(IV)-based MOFs, UiO-66, MOF-808 and MOF-802, were selected to catalyze cyclohexane oxidation in order to reveal the intrinsic factors of the active site and catalytic performance. It was found that reducing the number of Zr6O8 ligand linkages could [...] Read more.
Three porous Zr(IV)-based MOFs, UiO-66, MOF-808 and MOF-802, were selected to catalyze cyclohexane oxidation in order to reveal the intrinsic factors of the active site and catalytic performance. It was found that reducing the number of Zr6O8 ligand linkages could improve the catalytic efficiency of cyclohexane oxidation. The main reason for this is the different enrichment abilities of MOFs with different linkage numbers for cyclohexane, which was confirmed by the TPD of cyclohexane and also by GCMC simulations. Meanwhile, the catalytic effect of MOF-802 was lower than expected due to its low porosity and narrow inner pore size. The by-products were identified in detail by GC-MS, providing evidence for this catalytic mechanism. In addition, the potential of this catalyst for industrial applications in cyclohexane oxidation was demonstrated by optimizing the catalytic conditions. Full article
(This article belongs to the Special Issue Polymer Materials in Electron Transfer-Based Devices)
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12 pages, 3884 KiB  
Article
Preparation of Functionalized Ethylene–Vinyl-Alcohol Nanofibrous Membrane Filter for Rapid and Cyclic Removing of Organic Dye from Aqueous Solution
by Jiachen Ding, Tingting Li, Xiangyi Wang, Mengyang Li, Tianyu Li and Zhiming Zhang
Polymers 2024, 16(16), 2328; https://doi.org/10.3390/polym16162328 - 17 Aug 2024
Cited by 1 | Viewed by 1054
Abstract
A functionalized ethylene–vinyl-alcohol (EVOH) nanofibrous membrane (NFM) was fabricated via co-electrospinning H4SiW12O40 (SiW12) and EVOH first, and then grafting citric acid (CCA) on the electrospun SiW12@EVOH NFM. Characterization with FT-IR, EDX, and XPS confirmed [...] Read more.
A functionalized ethylene–vinyl-alcohol (EVOH) nanofibrous membrane (NFM) was fabricated via co-electrospinning H4SiW12O40 (SiW12) and EVOH first, and then grafting citric acid (CCA) on the electrospun SiW12@EVOH NFM. Characterization with FT-IR, EDX, and XPS confirmed that CCA was introduced to the surface of SiW12@EVOH NFM and the Keggin structure of SiW12 was maintained well in the composite fibers. Due to a number of carboxyl groups introduced by CCA, the as-prepared SiW12@EVOH-CCA NFM can form a high number of hydrogen bonds with CR, and thus can be used to selectively absorb congo red (CR) in aqueous solutions. More importantly, the CR enriched in the NFM can be rapidly degraded via photocatalysis. SiW12 in the NFM acted as a photocatalyst, and the hydroxyl groups in the NFM acted as an electron donor to accelerate the photodegradation rate of CR. Meanwhile, the SiW12@EVOH-CCA NFM was regenerated and then exhibited a relatively stable adsorption capacity in five cycles of filtration–regeneration. The bifunctional nanofibrous membrane filter showed potential for use in the thorough purification of dye wastewater. Full article
(This article belongs to the Special Issue Polymer Materials in Electron Transfer-Based Devices)
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