CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Graphene Oxide Restricts Growth and Recrystallization of Ice Crystals
Geng, HY; Liu, X; Shi, GS; Bai, GY; Ma, J; Chen, JB; Wu, ZY; Song, YL; Fang, HP; Wang, JJ
2017
Source PublicationANGEWANDTE CHEMIE-INTERNATIONAL EDITION
ISSN1433-7851
Volume56Issue:4Pages:997-1001
Subtype期刊论文
AbstractWe show graphene oxide (GO) greatly suppresses the growth and recrystallization of ice crystals, and ice crystals display a hexagonal shape in the GO dispersion. Preferred adsorption of GO on the ice crystal surface in liquid water leads to curved ice crystal surface. Therefore, the growth of ice crystal is suppressed owing to the Gibbs-Thompson effect, that is, the curved surface lowers the freezing temperature. Molecular dynamics simulation analysis reveals that oxidized groups on the basal plane of GO form more hydrogen bonds with ice in comparison with liquid water because of the honeycomb hexagonal scaffold of graphene, giving a molecular-level mechanism for controlling ice formation. Application of GO for cryopreservation shows that addition of only 0.01 wt% of GO to a culture medium greatly increases the motility (from 24.3% to 71.3%) of horse sperms. This work reports the control of growth of ice with GO, and opens a new avenue for the application of 2D materials.
KeywordCryopreservation Gibbs-thompson Effect Graphene Oxide Hydrogen Bonds Ice Formation
DOI10.1002/anie.201609230
Indexed BySCI
Language英语
WOS IDWOS:000394997200009
Citation statistics
Cited Times:45[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/27337
Collection中科院上海应用物理研究所2011-2018年
Recommended Citation
GB/T 7714
Geng, HY,Liu, X,Shi, GS,et al. Graphene Oxide Restricts Growth and Recrystallization of Ice Crystals[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,2017,56(4):997-1001.
APA Geng, HY.,Liu, X.,Shi, GS.,Bai, GY.,Ma, J.,...&Wang, JJ.(2017).Graphene Oxide Restricts Growth and Recrystallization of Ice Crystals.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,56(4),997-1001.
MLA Geng, HY,et al."Graphene Oxide Restricts Growth and Recrystallization of Ice Crystals".ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 56.4(2017):997-1001.
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