Bioinspired cellulose membrane with hierarchically porous structure for highly efficient solar steam generation

Wang, Linfeng; Wang, Han; Liu, Changjun; Xu, Yuan; Ma, Sitian; Zhuang, Yan; Zhang, Qian; Yang, Hongjun; Xu, Weilin

doi:10.1007/s10570-020-03359-4

Cited by 22 publications

(11 citation statements)

References 28 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…An increasing amount of cellulose polymer fused together to form a flaky layer in the space between the ice crystals. An identical result was reported in a previous paper . A comparison of the morphology of cellulose foam prepared using 3, 4, and 5 wt % showed that the uniformity of the structure of the sample prepared using 3 wt % was superior to that of the samples prepared using 4 and 5 wt %.…”

Section: Results and Discussionsupporting

confidence: 89%

“…An identical result was reported in a previous paper. 32 A comparison of the morphology of cellulose foam prepared using 3, 4, and 5 wt % showed that the uniformity of the structure of the sample prepared using 3 wt % was superior to that of the samples prepared using 4 and 5 wt %. It was concluded that the many undissolved cellulose fibers in the samples prepared using 4 and 5 wt % disrupted the directional structure, resulting in uneven pores and an uneven orientation.…”

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

Bioinspired Cellulose Foam with Excellent Water Wicking and Flux Properties Prepared Using Ice Template

Liu

et al. 2021

J. Phys. Chem. B

Self Cite

View full text Add to dashboard Cite

The application and functionalization of cellulose has been attracting increased attention in academic and industrial studies because of its wide range of sources, short renewable cycle, and low environmental impact. In order to enhance the application field of cellulose and decrease the environmental pollution for organic solvent associated with its preparation, cellulose foam with a vertically hierarchically porous structure similar to wood was designed and fabricated successfully from a cellulose aqueous solution using an ice templated in this study. The cellulose foam prepared using a 3 wt % concentration possessed a uniform vertical hierarchically porous structure, which could provide a pathway for the flow of water or air based on the capillary effect. The highest water wicking rate and flux were 7.8184 mm·s–1 and 29.49 mL·min–1·g–1, respectively, for the porous foam prepared using a 3 wt % concentration. The mechanical testing experiment showed that the porous structure did not reduce the amount of stress that the sample could endure before being damaged. The compression strength increased with increasing cellulose concentration in solution. Therefore, the hierarchical structure formed in the prepared cellulose foam effectively improved the water flux behavior and provided a structural basis for future applications of cellulose scaffolds.

show abstract

Section: Results and Discussionsupporting

confidence: 89%

Section: Resultsmentioning

confidence: 99%

Bioinspired Cellulose Foam with Excellent Water Wicking and Flux Properties Prepared Using Ice Template

Liu

et al. 2021

J. Phys. Chem. B

Self Cite

View full text Add to dashboard Cite

show abstract

“…In order to overcome this limitation, phase inversion at low temperature condition was employed to fix the aligned porous structure. Previous report indicated that PAN and cellulose foam with aligned porous structure similar to wood structure was obtained by ice template 10,11 …”

Section: Introductionmentioning

confidence: 97%

“…A vertically hierarchically porous structure similar to wood was observed in cellulose foam prepared by freeze drying. Experimental data lead us to conclude that the hierarchically porous structure was beneficial in term of improving the photothermal conversion efficiency 11 . Aligned vertically porous PAN foam prepared by freeze drying show superfast absorption speed and high‐efficiency absorption capacities for liquids, including organic pollutants (chloroform, soybean oil, and toluene) 23 …”

Section: Introductionmentioning

confidence: 99%

“…A hierarchically aligned porous structure in wood has been found to enable the rapid transport of electrons and ions, and has been widely used in many emerging areas, including energy, 1–3 the environment, 4–6 and biomedicine 7–9 . In order to overcome some of the limitations of wood with its hierarchically aligned porous structures on non‐reproducible structures and their constituent non‐homogeneity, our group has designed and prepared a polyacrylonitrile (PAN) and cellulose scaffold with a hierarchically aligned porous structure similar to wood by using an ice template for the application of solar steam generation 10–12 …”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Wood‐inspired polyacrylonitrile foam with hierarchically aligned porous structure for application in water purification

Liu

et al. 2021

J of Applied Polymer Sci

Self Cite

View full text Add to dashboard Cite

The main purpose of this study is to verify the excellent absorption efficiency of polyacrylonitrile (PAN) foam which has a hierarchically aligned porous structure similar to wood for water purification. Ice template and freeze drying method was employed to prepare the PAN foam, and the performance of the prepared sample was characterized by advanced technology. Experimental data revealed that the micromorphology, absorption efficiency, and mechanical properties were tunable by controlling the polymer concentration in solution. The PAN foam prepared at 7 wt% not only had excellent absorption efficiency, but also had great water flux. The highest absorption efficiency of the PAN foam prepared at 7 wt% for the model dye, methylene blue, reached 97.83%. Therefore, a new strategy for water purification by filtration using a scaffold with a hierarchically aligned porous structure is possible.

show abstract

The application of cellulosic‐based materials on interfacial solar steam generation for highly efficient wastewater purification: A review

Saeed,

Xu,

Yang

2024

Carbon Energy

View full text Add to dashboard Cite

The world's population is growing, leading to an increasing demand for freshwater resources for drinking, sanitation, agriculture, and industry. Interfacial solar steam generation (ISSG) can solve many problems, such as mitigating the power crisis, minimizing water pollution, and improving the purification and desalination of seawater, rivers/lakes, and wastewater. Cellulosic materials are a viable and ecologically sound technique for capturing solar energy that is adaptable to a range of applications. This review paper aims to provide an overview of current advancements in the field of cellulose‐based materials ISSG devices, specifically focusing on their applications in water purification and desalination. This paper examines the cellulose‐based materials ISSG system and evaluates the effectiveness of various cellulosic materials, such as cellulose nanofibers derived from different sources, carbonized wood materials, and two‐dimensional (2D) and 3D cellulosic‐based materials from various sources, as well as advanced cellulosic materials, including bacterial cellulose and cellulose membranes obtained from agricultural and industrial cellulose wastes. The focus is on exploring the potential applications of these materials in ISSG devices for water desalination, purification, and treatment. The function, advantages, and disadvantages of cellulosic materials in the performance of ISSG devices were also deliberated throughout our discussion. In addition, the potential and suggested methods for enhancing the utilization of cellulose‐based materials in the field of ISSG systems for water desalination, purification, and treatment were also emphasized.

show abstract

Bioinspired cellulose membrane with hierarchically porous structure for highly efficient solar steam generation

Cited by 22 publications

References 28 publications

Bioinspired Cellulose Foam with Excellent Water Wicking and Flux Properties Prepared Using Ice Template

Bioinspired Cellulose Foam with Excellent Water Wicking and Flux Properties Prepared Using Ice Template

Wood‐inspired polyacrylonitrile foam with hierarchically aligned porous structure for application in water purification

The application of cellulosic‐based materials on interfacial solar steam generation for highly efficient wastewater purification: A review

Contact Info

Product

Resources

About