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Title: A nanofluidic ion regulation membrane with aligned cellulose nanofibers

Abstract

The advancement of nanofluidic applications will require the identification of materials with high-conductivity nanoscale channels that can be readily obtained at massive scale. Inspired by the transpiration in mesostructured trees, we report a nanofluidic membrane consisting of densely packed cellulose nanofibers directly derived from wood. Numerous nanochannels are produced among an expansive array of one-dimensional cellulose nanofibers. The abundant functional groups of cellulose enable facile tuning of the surface charge density via chemical modification. The nanofiber-nanofiber spacing can also be tuned from ~2 to ~20 nm by structural engineering. The surface-charge-governed ionic transport region shows a high ionic conductivity plateau of ~2 mS cm -1(up to 10 mM). The nanofluidic membrane also exhibits excellent mechanical flexibility, demonstrating stable performance even when the membrane is folded 150°. Combining the inherent advantages of cellulose, this novel class of membrane offers an environmentally responsible strategy for flexible and printable nanofluidic applications.

Authors:
ORCiD logo [1];  [2];  [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1];  [1];  [1];  [1]; ORCiD logo [3];  [2]; ORCiD logo [1]
  1. Univ. of Maryland, College Park, MD (United States). Dept. of Materials Science and Engineering
  2. Yale Univ., New Haven, CT (United States)
  3. Univ. of California, Irvine, CA (United States)
Publication Date:
Research Org.:
Energy Frontier Research Centers (EFRC) (United States). Nanostructures for Electrical Energy Storage (NEES); Univ. of Maryland, College Park, MD (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1566713
Grant/Contract Number:  
SC0001160
Resource Type:
Accepted Manuscript
Journal Name:
Science Advances
Additional Journal Information:
Journal Volume: 5; Journal Issue: 2; Journal ID: ISSN 2375-2548
Publisher:
AAAS
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; bio-inspired; energy storage (including batteries and capacitors); defects; charge transport; synthesis (novel materials); synthesis (self-assembly); synthesis (scalable processing)

Citation Formats

Li, Tian, Li, Sylvia Xin, Kong, Weiqing, Chen, Chaoji, Hitz, Emily, Jia, Chao, Dai, Jiaqi, Zhang, Xin, Briber, Robert, Siwy, Zuzanna, Reed, Mark, and Hu, Liangbing. A nanofluidic ion regulation membrane with aligned cellulose nanofibers. United States: N. p., 2019. Web. doi:10.1126/sciadv.aau4238.
Li, Tian, Li, Sylvia Xin, Kong, Weiqing, Chen, Chaoji, Hitz, Emily, Jia, Chao, Dai, Jiaqi, Zhang, Xin, Briber, Robert, Siwy, Zuzanna, Reed, Mark, & Hu, Liangbing. A nanofluidic ion regulation membrane with aligned cellulose nanofibers. United States. doi:10.1126/sciadv.aau4238.
Li, Tian, Li, Sylvia Xin, Kong, Weiqing, Chen, Chaoji, Hitz, Emily, Jia, Chao, Dai, Jiaqi, Zhang, Xin, Briber, Robert, Siwy, Zuzanna, Reed, Mark, and Hu, Liangbing. Fri . "A nanofluidic ion regulation membrane with aligned cellulose nanofibers". United States. doi:10.1126/sciadv.aau4238. https://www.osti.gov/servlets/purl/1566713.
@article{osti_1566713,
title = {A nanofluidic ion regulation membrane with aligned cellulose nanofibers},
author = {Li, Tian and Li, Sylvia Xin and Kong, Weiqing and Chen, Chaoji and Hitz, Emily and Jia, Chao and Dai, Jiaqi and Zhang, Xin and Briber, Robert and Siwy, Zuzanna and Reed, Mark and Hu, Liangbing},
abstractNote = {The advancement of nanofluidic applications will require the identification of materials with high-conductivity nanoscale channels that can be readily obtained at massive scale. Inspired by the transpiration in mesostructured trees, we report a nanofluidic membrane consisting of densely packed cellulose nanofibers directly derived from wood. Numerous nanochannels are produced among an expansive array of one-dimensional cellulose nanofibers. The abundant functional groups of cellulose enable facile tuning of the surface charge density via chemical modification. The nanofiber-nanofiber spacing can also be tuned from ~2 to ~20 nm by structural engineering. The surface-charge-governed ionic transport region shows a high ionic conductivity plateau of ~2 mS cm-1(up to 10 mM). The nanofluidic membrane also exhibits excellent mechanical flexibility, demonstrating stable performance even when the membrane is folded 150°. Combining the inherent advantages of cellulose, this novel class of membrane offers an environmentally responsible strategy for flexible and printable nanofluidic applications.},
doi = {10.1126/sciadv.aau4238},
journal = {Science Advances},
number = 2,
volume = 5,
place = {United States},
year = {2019},
month = {2}
}

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