High crystallinity of tunicate cellulose nanofibers for high-performance engineering films

Moon, Sung Min; Heo, Jae Eun; Jeon, Jisoo; Eom, Taesik; Jang, Daseul; Her, Kyeonga; Cho, Whirang; Woo, Kyungbae; Wie, Jeong Jae; Shim, Bong Sup

doi:10.1016/j.carbpol.2020.117470

Cited by 28 publications

(18 citation statements)

References 52 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The tunicate cellulose suspension with a consistency of 10 g/L was homogenized through a high-pressure homogenization (AH-PILOT, ATS Engineering Ltd., Suzhou, China) at 400 bar for 10 passes, and the microfibrillated cellulose (MFC) suspension was obtained. TEMPO-oxidized tunicate cellulose nanofibrils (CNF) were prepared according to the procedure reported in the previous literature [ 33 , 34 ]. TEMPO (0.032 g) and sodium bromide (0.2 g) were separately added to 200 mL tunicate cellulose suspension (10 g/L) with continuous magnetic stirring.…”

Section: Methodsmentioning

confidence: 99%

All-Tunicate Cellulose Film with Good Light Management Properties for High-Efficiency Organic Solar Cells

Jiang

Zhang

et al. 2023

Nanomaterials

View full text Add to dashboard Cite

Tunicate nanocellulose with its unique properties, such as excellent mechanical strength, high crystallinity, and good biodegradability, has potential to be used for the preparation of light management film with tunable transmittance and haze. Herein, we prepared a whole tunicate cellulose film with tunable haze levels, by mixing tunicate microfibrillated cellulose (MFC) and tunicate cellulose nanofibrils (CNF). Then, the obtained whole tunicate cellulose film with updated light management was used to modify the organic solar cell (OSC) substrate, aiming to improve the light utilization efficiency of OSC. Results showed that the dosage of MFC based on the weight of CNF was an important factor to adjust the haze and light transmittance of the prepared cellulose film. When the dosage of MFC was 3 wt.%, the haze of the obtained film increased 74.2% compared to the pure CNF film (39.2%). Moreover, the optimized tunicate cellulose film exhibited excellent mechanical properties (e.g., tensile strength of 168 MPa, toughness of 5.7 MJ/m3) and high thermal stability, which will be beneficial to the workability and durability of OSC. More interestingly, we applied the obtained whole tunicate cellulose film with a high haze (68.3%) and high light transmittance (85.0%) as an additional layer to be adhered to the glass substrate of OSC, and a notable improvement (6.5%) of the power conversion efficiency was achieved. With the use of biodegradable tunicate cellulose, this work provides a simple strategy to enhance light management of the transparent substrate of OSC for improving power conversion efficiency.

show abstract

Section: Methodsmentioning

confidence: 99%

All-Tunicate Cellulose Film with Good Light Management Properties for High-Efficiency Organic Solar Cells

Jiang

Zhang

et al. 2023

Nanomaterials

View full text Add to dashboard Cite

show abstract

“…The tunic layer is composed of a complex matrix of cellulose fibers, along with other polysaccharides and proteins, which provide structural support and protection to the animal [15]. The cellulose produced by tunicates is of particular interest to researchers due to its high degree of crystallinity and its unique physical properties, such as high tensile strength and biocompatibility [16]. Tunicate cellulose has potential applications in a range of industries, including biomedical engineering, food packaging, and textile production.…”

Section: Tunicatesmentioning

confidence: 99%

Synthesis, characterization and application of nanocrystalline cellulose: A review

Oyohwose¹,

Omoko²

2023

Int. J. Sci. Res. Arch.

View full text Add to dashboard Cite

This review article summarizes the recent progress in the synthesis, characterization, and applications of nanocrystalline cellulose (NCC). NCC is a nanoscale material that can be extracted from renewable sources such as plants, and has attracted significant attention due to its unique properties, including high surface area, mechanical strength, and biodegradability. The review covers various methods for the synthesis of NCC, including acid hydrolysis, enzymatic hydrolysis, and mechanical methods. The characterization techniques for NCC, such as X-ray diffraction, transmission electron microscopy, and dynamic light scattering, are also discussed. Furthermore, the review provides an overview of the applications of NCC, including reinforcement in composites, paper and packaging, biomedical applications, and energy storage. Overall, this review provides a comprehensive understanding of the synthesis, characterization, and applications of NCC, highlighting its potential as a sustainable and versatile nanomaterial for various fields.

show abstract

“…The candidates for matrix polymers include petroleum-based plastics, rubber, glass, and biopolymers. Among these materials, the film of cellulose nanofibers (CNFs) extracted from the mantle of ascidian has been reported to show higher thermal conductivity (∼2.5 W/mK) than other conventional polymers due to their thick crystallines with the extended chain crystal structure, and characterization of their thermal conduction and the use of CNFs as a heat-dissipation material have been reported. ,− As indicated by the ability of pencils to write characters on paper, cellulose has a high affinity for carbon materials, and it is expected to composite well with CF fillers. In addition, CNF can be easily handled in an aqueous system, and it has the advantage of self-agglomeration to form a film (paper) upon drying.…”

Section: Introductionmentioning

confidence: 99%

Thermal Diffusion Films with In-Plane Anisotropy by Aligning Carbon Fibers in a Cellulose Nanofiber Matrix

Uetani

Takahashi

Watanabe

et al. 2022

ACS Appl. Mater. Interfaces

View full text Add to dashboard Cite

For highly efficient heat dissipation of thin electronic devices, development of film materials that exhibit high thermal conductivity in the in-plane direction is desired. In particular, it is important to develop thermally conductive films with large in-plane anisotropy to prevent thermal interference between heat sources in close proximity and to cool in other directions by diffusion. In this study, we developed flexible composite films composed of a uniaxially aligned carbon-fiber filler within a cellulose nanofiber matrix through liquid-phase three-dimensional patterning. The film exhibited a high in-plane thermal conductivity anisotropy of 433%, with combined properties of a thermal conductivity of 7.8 W/mK in the aligned direction and a thermal conductivity of 1.8 W/mK in the in-plane orthogonal direction. This remarkable thermal conductivity and in-plane anisotropy showed the ability to significantly cool powder electroluminescent devices formed on the composite film and also to cool two heat sources in close proximity without thermal interference. In addition, the carbon-fiber filler could be extracted from the composite films by heat treatment at 450 °C and reused as a thermally conductive material.

show abstract

High crystallinity of tunicate cellulose nanofibers for high-performance engineering films

Cited by 28 publications

References 52 publications

All-Tunicate Cellulose Film with Good Light Management Properties for High-Efficiency Organic Solar Cells

All-Tunicate Cellulose Film with Good Light Management Properties for High-Efficiency Organic Solar Cells

Synthesis, characterization and application of nanocrystalline cellulose: A review

Thermal Diffusion Films with In-Plane Anisotropy by Aligning Carbon Fibers in a Cellulose Nanofiber Matrix

Contact Info

Product

Resources

About