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Advanced Biomass-Based Multifunctional Materials
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Advanced Biomass-Based Multifunctional Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Biomaterials".

Deadline for manuscript submissions: closed (20 February 2023) | Viewed by 7315

Special Issue Editors

Prof. Dr. Feng Xu

E-Mail Website
Guest Editor
Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, China
Interests: lignocellulose; biomass pretreatment; cellulose solvent; lignin chemistry; composite paper; biopolymer; biochemicals
Special Issues, Collections and Topics in MDPI journals
Dr. Sheng Chen

E-Mail Website
Guest Editor
Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, China
Interests: biomaterials; cellulose; lignin; functional paper; energy harvest; energy storage; sensing; water treatment

Special Issue Information

Dear Colleagues,

With the rapid development of global economy, we are facing the challenges of resources shortage and environmental pollution. Biomass, such as wood, energy crops, and waste from forests, yards, or farms, are promising alternatives to the fossil resource for the preparation of advanced functional materials towards the sustainability and environment-friendship. Therefore, the biomass-based multifunctional materials have attracted increasing attentions from researchers in the past years. There is an urgent need for the development of novel advanced materials based on original biomass and/or extracted main components for potential applications in energy harvesting/storage, smart sensing, water treatment, light management, thermal regulation, green packaging, flexible electronics, soft actuators, CO2 capture, and so forth.

The present Special Issue on “Advanced Biomass-Based Multifunctional Materials” welcome contributions in form of full article, short communication, or review article in topics related to the design, synthesis, modification, characterization, and applications of biomass-based materials, including but not limited to wood, bamboo, corncob, wheat straw, cellulose, hemicellulose, lignin, silk, chitosan, pectin, starch. The functional materials include but not limited to monolith, powder, film, hydrogel, xerogel, aerogel, fiber, nanorod, nanoparticle, microsphere, nanowire, nanosheet. The advanced applications include but not limited to supercapacitor, sensor, nanogenerator, transparent film, battery, solar evaporator, filter, absorber, actuators.

Dr. Feng Xu
Dr. Sheng Chen
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. Materials 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 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

  • lignocellulose
  • polysaccharides
  • biopolymers
  • lignin
  • functional film
  • hydrogel
  • aerogel
  • energy harvest
  • energy storage
  • sensing
  • water treatment
  • light management
  • thermal regulation
  • green packaging
  • flexible electronics
  • soft actuators
  • CO2 capture
  • carbon materials

Published Papers (3 papers)

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Research

18 pages, 5140 KiB  
Article
Multifunctional Nanocarriers Based on Chitosan Oligomers and Graphitic Carbon Nitride Assembly
by Alberto Santiago-Aliste, Eva Sánchez-Hernández, Natalia Langa-Lomba, Vicente González-García, José Casanova-Gascón, Jesús Martín-Gil and Pablo Martín-Ramos
Materials 2022, 15(24), 8981; https://doi.org/10.3390/ma15248981 - 15 Dec 2022
Cited by 3 | Viewed by 2060
Abstract
In this study, a graphitic carbon nitride and chitosan oligomers (g-C3N4–COS) nanocarrier assembly, which was obtained by cross-linking with methacrylic anhydride (MA), was synthesized and characterized. Its characterization was carried out using infrared spectroscopy, elemental and thermal analyses, and [...] Read more.
In this study, a graphitic carbon nitride and chitosan oligomers (g-C3N4–COS) nanocarrier assembly, which was obtained by cross-linking with methacrylic anhydride (MA), was synthesized and characterized. Its characterization was carried out using infrared spectroscopy, elemental and thermal analyses, and transmission electron microscopy. The new nanocarriers (NCs), with an average particle size of 85 nm in diameter and a 0.25 dispersity index, showed photocatalytic activity (associated with the g-C3N4 moiety), susceptibility to enzymatic degradation (due to the presence of the COS moiety), and high encapsulation and moderate-high release efficiencies (>95% and >74%, respectively). As a proof of concept, the visible-light-driven photocatalytic activity of the NCs was tested for rhodamine B degradation and the reduction of uranium(VI) to uranium(IV). Regarding the potential of the nanocarriers for the encapsulation and delivery of bioactive products for crop protection, NCs loaded with Rubia tinctorum extracts were investigated in vitro against three Vitis vinifera phytopathogens (viz. Neofusicoccum parvum, Diplodia seriata, and Xylophilus ampelinus), obtaining minimum inhibitory concentration values of 750, 250, and 187.5 µg·mL−1, respectively. Their antifungal activity was further tested in vivo as a pruning wound protection product in young ‘Tempranillo’ grapevine plants that were artificially infected with the two aforementioned species of the family Botryosphaeriaceae, finding a significant reduction of the necrosis lengths in the inner woody tissues. Therefore, g-C3N4-MA-COS NCs may be put forward as a multifunctional platform for environmental and agrochemical delivery applications. Full article
(This article belongs to the Special Issue Advanced Biomass-Based Multifunctional Materials)
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13 pages, 2427 KiB  
Article
Direct-Ink-Write Printing and Electrospinning of Cellulose Derivatives for Conductive Composite Materials
by Runfeng Shi, Jiankang Zhang, Jinheng Yang, Yanglei Xu, Cuihuan Li, Sheng Chen and Feng Xu
Materials 2022, 15(8), 2840; https://doi.org/10.3390/ma15082840 - 13 Apr 2022
Cited by 9 | Viewed by 2597
Abstract
The aim of this study is to realize the controlled construction and modulation of micro-/nanostructures of conductive composite materials (CCMs) in a facile way. Herein, interdigital electrodes are prepared by direct-ink-write printing co-blended inks made of ethyl cellulose and carbon nanotubes on cellulose [...] Read more.
The aim of this study is to realize the controlled construction and modulation of micro-/nanostructures of conductive composite materials (CCMs) in a facile way. Herein, interdigital electrodes are prepared by direct-ink-write printing co-blended inks made of ethyl cellulose and carbon nanotubes on cellulose paper. The cellulose nanofibers (CFs) are prepared by electrospinning cellulose acetate on to an aluminum foil, followed by deacetylation in NaOH/ethanol. All co-blended inks exhibit a typical non-Newtonian shear thinning behavior, enabling smooth extrusion and printing. The above electrodes and the conductive CF films with excellent thermal stability are assembled into a pressure sensor, which has a high sensitivity (0.0584 KPa−1) to detect the change in external loading pressure. The obtained porous CFs film is further endowed with conductivity by in situ polymerization of polypyrrole (PPy), which are uniformly distributed on the CFs surface as particles; a triboelectric nanogenerator is constructed by using the CF@PPy film as a tribo-positive friction layer to achieve efficient energy harvesting (output voltage = 29.78 V, output current = 2.12 μA). Therefore, the construction of CCMs with micro-/nanostructures based on cellulose derivatives have essential application prospects in emerging high-tech fields, such as green electronics for sensing and energy harvesting. Full article
(This article belongs to the Special Issue Advanced Biomass-Based Multifunctional Materials)
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16 pages, 4666 KiB  
Article
Porous Carbon Material Derived from Steam-Exploded Poplar for Supercapacitor: Insights into Synergistic Effect of KOH and Urea on the Structure and Electrochemical Properties
by Dayong Ding, Lan Ma, Xin Li, Zhong Liu, Lanfeng Hui, Fengshan Zhang and Yumeng Zhao
Materials 2022, 15(8), 2741; https://doi.org/10.3390/ma15082741 - 08 Apr 2022
Cited by 4 | Viewed by 1619
Abstract
The electrochemical performance of supercapacitors using porous carbon as electrodes is strongly affected by the fabrication process of carbon material. KOH is commonly used as an activator combined with urea as a nitrogen dopant. However, the roles of KOH and urea in pore [...] Read more.
The electrochemical performance of supercapacitors using porous carbon as electrodes is strongly affected by the fabrication process of carbon material. KOH is commonly used as an activator combined with urea as a nitrogen dopant. However, the roles of KOH and urea in pore structure configuration and the electrochemical behavior of porous carbon electrodes are still ambiguous. Herein, the optimum porous carbon is obtained when KOH and urea are used simultaneously. KOH is used as a pore-forming substance, whereas urea is employed as a nitrogen source for the nitrogen doping of porous carbon, which increases its defect sites while reducing the graphitization degree. More importantly, urea also expands pores as a pore-enlarging agent, inducing interconnected porous structures. As a result, a hierarchical porous structure is formed and ascribed to the synergistic effect of KOH and urea, and the specific surface area reached 3282 m2 g−1 for sample PC800-4. The specific capacitance is 319 F g−1 at 0.5 A g−1 with excellent cycling stability over 2500 cycles. Furthermore, the symmetric supercapacitor reaches an excellent energy density of 11.6 W h kg−1 under 70.0 W kg−1 in a 6 M KOH electrolyte. Our work contributes to the rational designation of the porous carbon structure for supercapacitor applications. Full article
(This article belongs to the Special Issue Advanced Biomass-Based Multifunctional Materials)
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