Scalable bacterial cellulose biofilms with improved ion transport for high osmotic power generation

Wu, Zhuotong; Zhang, Tao; Wang, Baoxiu; Ji, Peng; Sheng, Nan; Zhang, Minghao; Liang, Qianqian; Chen, Shiyan; Wang, Huaping

doi:10.1016/j.nanoen.2021.106275

Cited by 35 publications

(27 citation statements)

References 39 publications

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“…As seen in Figure d, our work showed superior performance among the reported works. Besides, the reported works either used a large amount of 2D materials or showed low output power density, and our membrane with the low-loading functional materials proposed a sustainable way to design materials with high energy conversion performance. ,,− ,,,, …”

Section: Results and Discussionmentioning

confidence: 95%

“…As the most abundant biomaterial in the world, the CNF has been extensively investigated and explored in its applications in various fields. The abundant surface functional groups of the CNF not only render its naturally negative surface (Figure S1) but also allow it to be easily modified through chemical bonding or physical interaction . As shown in Figure a, the CNF/LDCM membranes are prepared by a two-step vacuum-assisted filtration.…”

Section: Results and Discussionmentioning

confidence: 99%

“…Besides, the reported works either used a large amount of 2D materials or showed low output power density, and our membrane with the low-loading functional materials proposed a sustainable way to design materials with high energy conversion performance. 13,16,[20][21][22]32,36,42,43 ■ CONCLUSIONS In summary, the free-standing CNF/LDCM membranes with the CQD, CNT, and GO (from 0D to 2D) as the photothermal layer for light-induced heat enhanced ion transmembrane transport behavior and osmotic energy conversion properties are reported. With the idea of practical application of the advanced nanofluidic membrane system, the ultralow loading strategy is proposed to achieve the low cost, high osmotic energy conversion performance, and sustainability.…”

Section: ■ Introductionmentioning

confidence: 91%

“…The abundant surface functional groups of the CNF not only render its naturally negative surface (Figure S1) but also allow it to be easily modified through chemical bonding or physical interaction. 36 As shown in Figure 1a, the CNF/LDCM membranes are prepared by a two-step vacuum-assisted filtration. The as-prepared CNF membrane is free-standing and transparent (Figure 1a, left side).…”

Section: ■ Introductionmentioning

confidence: 99%

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Engineered Cellulose Nanofiber Membranes with Ultrathin Low-Dimensional Carbon Material Layers for Photothermal-Enhanced Osmotic Energy Conversion

Luo

Liu

et al. 2022

ACS Appl. Mater. Interfaces

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As a promising clean energy source, membranebased osmotic energy harvesting has been widely investigated and developed through optimizing the membrane structure in recent years. For chasing higher energy conversion performance, various external stimuli have been introduced into the osmotic energy harvesting systems as assistant factors. Light as a renewable and well-tunable energy form has drawn great attention. Normally, it needs massive photoresponsive materials for improving the energy conversion performance and this hinders its wide applications. Herein, we fabricate a cellulose nanofiber (CNF) membrane with an ultrathin layer of low-dimensional carbon materials (LDCMs) for photothermal-enhanced osmotic energy conversion. The ultralow loading carbon quantum dot, carbon nanotube, and graphene oxide (LDCM/CNF = 1:200 wt) are used for light-to-heat conversion to build the heat gradient across the membrane. The output power density of the osmotic energy generator has increased from ∼3.55 to ∼7.67 W/m 2 under a 50-fold concentration gradient with light irradiation. This work shows the great potential of the CNF as a nanofluidic platform and the photothermal enhancement in osmotic energy conversion, and the ultralow loading design provides a practical and economical way to fully utilize other energy resources for enhancing osmotic energy conversion.

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Section: Results and Discussionmentioning

confidence: 95%

Section: Results and Discussionmentioning

confidence: 99%

Section: ■ Introductionmentioning

confidence: 91%

Section: ■ Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Engineered Cellulose Nanofiber Membranes with Ultrathin Low-Dimensional Carbon Material Layers for Photothermal-Enhanced Osmotic Energy Conversion

Luo

Liu

et al. 2022

ACS Appl. Mater. Interfaces

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“…After the introduction of Fe 2+ , the zeta potential decreased to 1.49 mV. Moreover, the surface charge densities (σ) of the heterochannels were calculated by eqs and : where ε, ε 0 , ζ, and λ d are the permittivity of pure water, the permittivity of vacuum, zeta potential, and the Debye length, respectively. k B , T , C i , and Z i represent the Boltzmann constant, the absolute temperature, the concentration, and the valence number, respectively.…”

Section: Resultsmentioning

confidence: 99%

Interfacially Super-Assembled Tyramine-Modified Mesoporous Silica-Alumina Oxide Heterochannels for Label-Free Tyrosinase Detection

et al. 2021

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Tyrosinase (TYR) is a multifunctional copper-containing enzyme that plays a critical role in the biosynthetic pathway of melanin. Thus, the detection of TYR activity possesses vast importance from clinical diagnosis to the food industry. However, most TYR detection methods are expensive, complicated, and time-consuming. Herein, a functional nanofluidic heterochannel composed of an ultrathin tyramine-modified mesoporous silica layer (Tyr-MS) and alumina oxide (AAO) arrays is constructed by an interfacial super-assembly method. The heterochannel with plenty of enzyme catalytic sites for TYR provides the response of the ion current signal against TYR concentrations. Introducing enzymatic reaction paves the way for the heterochannel to achieve label-free, selective, specific detection of TYR. Notably, a highly sensitive detection of TYR with a limit of 2 U mL–1 was obtained by optimizing the modified conditions. Detailed investigations and theoretical calculations further reveal the mechanism for the detection performance. This work provides a simple, low-cost, quick response, and label-free platform based on functional nanofluidic devices for enzyme-sensing technologies.

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Insights into Hierarchical Structure–Property–Application Relationships of Advanced Bacterial Cellulose Materials

Chen

et al. 2023

Adv Funct Materials

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Bacterial cellulose (BC) is an environmentally friendly biomaterial that is widely investigated because it possesses a unique hierarchical nanofiber network structure as well as extraordinary performance. In this review, the formation of the BC hierarchical nanofiber network structure from the perspective of biosynthesis is illustrated based on its basic chemical and crystal structure. Moreover, the design and processing of BC-based advanced materials through biosynthesis, physical, and/or chemical modification are also reviewed. The intrinsic characteristics of BC, derived from its hierarchical structure, are analyzed to understand its structure-property-application relationships. The applications of advanced BC-based materials are reviewed, such as high-strength structural materials utilizing the properties of nanofibers, energy conversion and storage, bioelectronic interfaces, environmental remediation, and thermal management applications utilizing the ion transport properties and 3D network structures of these materials. In addition, the authors also offer their opinions and potential future research directions for sustainably developing BC-based materials.

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Scalable bacterial cellulose biofilms with improved ion transport for high osmotic power generation

Cited by 35 publications

References 39 publications

Engineered Cellulose Nanofiber Membranes with Ultrathin Low-Dimensional Carbon Material Layers for Photothermal-Enhanced Osmotic Energy Conversion

Engineered Cellulose Nanofiber Membranes with Ultrathin Low-Dimensional Carbon Material Layers for Photothermal-Enhanced Osmotic Energy Conversion

Interfacially Super-Assembled Tyramine-Modified Mesoporous Silica-Alumina Oxide Heterochannels for Label-Free Tyrosinase Detection

Insights into Hierarchical Structure–Property–Application Relationships of Advanced Bacterial Cellulose Materials

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