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Proton conductance and dielectric relaxation in hydrated graphite oxide, studied with impedance spectroscopy
Yu, J; Lian, YD; Xu, W; Wang, CL; Chang, XL; Tang, TB; Gu, M; Wang CL(王成龙); Chang XL(常雪灵)
2018
Source PublicationAPPLIED PHYSICS LETTERS
ISSN0003-6951
EISSN1077-3118
Volume112Issue:17Pages:171603
SubtypeArticle
AbstractHydrated graphite oxide samples containing different concentrations of functional groups were investigated with a range of experimental techniques including complex impedance spectroscopy. The activation energies in their conductivities increase with their epoxide concentrations and closely match those in dielectric relaxation. They appear to conduct by a Grotthuss mechanism, involving the exchange of protons between neighboring water molecules and the rotation of water. In the region below room temperature, this conductance is not limited by proton hopping but by water rotation about its hydrogen bond to an epoxide group attached to a graphene plane. Published by AIP Publishing.
DOI10.1063/1.5023187
WOS KeywordGRAPHENE OXIDE ; WATER-MOLECULES ; CONDUCTIVITY ; TRANSPORT ; NANOSHEETS ; MEMBRANES ; SILICA ; NAFION ; IONS
Indexed BySCI ; EI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Applied
WOS IDWOS:000431072800015
EI Accession Number20181705110060
ADS Bibcode2018ApPhL.112q1603Y
Citation statistics
Cited Times:0 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/285878
Collection多学科研究中心
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Yu, J,Lian, YD,Xu, W,et al. Proton conductance and dielectric relaxation in hydrated graphite oxide, studied with impedance spectroscopy[J]. APPLIED PHYSICS LETTERS,2018,112(17):171603.
APA Yu, J.,Lian, YD.,Xu, W.,Wang, CL.,Chang, XL.,...&常雪灵.(2018).Proton conductance and dielectric relaxation in hydrated graphite oxide, studied with impedance spectroscopy.APPLIED PHYSICS LETTERS,112(17),171603.
MLA Yu, J,et al."Proton conductance and dielectric relaxation in hydrated graphite oxide, studied with impedance spectroscopy".APPLIED PHYSICS LETTERS 112.17(2018):171603.
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