A broad-range variable-temperature solid state NMR spectral and relaxation investigation of the water state in Nafion 117-Reference-Cited by-同舟云学术

A broad-range variable-temperature solid state NMR spectral and relaxation investigation of the water state in Nafion 117

Published:2021 Issue:18 Volume:23 Page:10899-10908
ISSN:1463-9076
Container-title:Physical Chemistry Chemical Physics
language:en
Short-container-title:Phys. Chem. Chem. Phys.

Author:

Cheng Ren-Hao¹²³⁴,Cai Honghao⁵⁶⁷⁸,Huang Yu-Ren⁹¹⁰³⁴,Cui Xiaohong¹¹¹²¹³¹⁴⁷^ORCID,Chen Zhong¹¹¹²¹³¹⁴⁷^ORCID,Chen Hsuan-Ying¹⁵¹⁶³⁴^ORCID,Ding Shangwu¹²³⁴^ORCID

Affiliation:

1. Department of Chemistry and Center for Nanoscience and Nanotechnology

2. National Sun Yat-sen University

3. Kaohsiung

4. Taiwan

5. School of Science

6. Jimei University

7. Xiamen

8. China

9. Department of Applied Science

10. ROC Naval Academy

11. Department of Electronic Science

12. Fujian Provincial Key Laboratory of Plasma and Magnetic Resonance

13. State Key Laboratory of Physical Chemistry of Solid Surfaces

14. Xiamen University

15. Department of Medicinal and Applied Chemistry

16. Kaohsiung Medical University

Abstract

Variable temperature solid state NMR shows that ice formation inside Nafion is a gradual process, liquid water remains even at −70 °C, freezing starts from the pore center and the size of ice depends on the type of the cation and sulfonate rotation.

Funder

Ministry of Science and Technology, Taiwan

National Natural Science Foundation of China

National Sun Yat-sen University

Kaohsiung Medical University

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

Link

http://pubs.rsc.org/en/content/articlepdf/2021/CP/C9CP05978D

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