Abstraction of nano copper in a room temperature ionic liquid

C. Y. Peng; H. Paul Wang; C. H. Huang; Yu Ling Wei

doi:10.1063/1.2644665

Abstraction of nano copper in a room temperature ionic liquid

C. Y. Peng, H. Paul Wang, C. H. Huang, Yu Ling Wei

Department of Environmental Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Speciation of copper in the abstraction of nano copper with a room temperature ionic liquid (RTIL) (1-butyl-3-methylimidazolium hexafluorophosphate [C₄mim][PF₆]) has been studied by X-ray absorption near edge structural (XANES) and extended X-ray absorption fine structural (EXAFS) spectroscopies in the present work. The least-square fits of the XANES spectra suggest that nano CuO (79%) and Cu(II) complex (Cu(II)-IL) (21%) are the main copper species in the RTIL. The fitted EXAFS spectra show that the Cu-O (1st shell) bond distance is 2.08 Å with a coordination number (CN) of 2.6. In the second shells of copper, the average bond distance of Cu-Cu is 2.99 Å with a CN of 5.1.

Original language	English
Title of host publication	X-RAY ABSORPTION FINE STRUCTURE - XAFS13
Subtitle of host publication	13th International Conference
Pages	789-791
Number of pages	3
DOIs	https://doi.org/10.1063/1.2644665
Publication status	Published - 2007
Event	X-RAY ABSORPTION FINE STRUCTURE - XAFS13: 13th International Conference - Stanford, CA, United States Duration: 2006 Jul 9 → 2006 Jul 14

Publication series

Name	AIP Conference Proceedings
Volume	882
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Other

Other	X-RAY ABSORPTION FINE STRUCTURE - XAFS13: 13th International Conference
Country	United States
City	Stanford, CA
Period	06-07-09 → 06-07-14

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

Access to Document

10.1063/1.2644665

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title = "Abstraction of nano copper in a room temperature ionic liquid",

abstract = "Speciation of copper in the abstraction of nano copper with a room temperature ionic liquid (RTIL) (1-butyl-3-methylimidazolium hexafluorophosphate [C4mim][PF6]) has been studied by X-ray absorption near edge structural (XANES) and extended X-ray absorption fine structural (EXAFS) spectroscopies in the present work. The least-square fits of the XANES spectra suggest that nano CuO (79%) and Cu(II) complex (Cu(II)-IL) (21%) are the main copper species in the RTIL. The fitted EXAFS spectra show that the Cu-O (1st shell) bond distance is 2.08 {\AA} with a coordination number (CN) of 2.6. In the second shells of copper, the average bond distance of Cu-Cu is 2.99 {\AA} with a CN of 5.1.",

author = "Peng, {C. Y.} and Wang, {H. Paul} and Huang, {C. H.} and Wei, {Yu Ling}",

year = "2007",

doi = "10.1063/1.2644665",

language = "English",

isbn = "0735403848",

series = "AIP Conference Proceedings",

pages = "789--791",

booktitle = "X-RAY ABSORPTION FINE STRUCTURE - XAFS13",

}

Peng, CY, Wang, HP, Huang, CH & Wei, YL 2007, Abstraction of nano copper in a room temperature ionic liquid. in X-RAY ABSORPTION FINE STRUCTURE - XAFS13: 13th International Conference. AIP Conference Proceedings, vol. 882, pp. 789-791, X-RAY ABSORPTION FINE STRUCTURE - XAFS13: 13th International Conference, Stanford, CA, United States, 06-07-09. https://doi.org/10.1063/1.2644665

TY - GEN

T1 - Abstraction of nano copper in a room temperature ionic liquid

AU - Peng, C. Y.

AU - Wang, H. Paul

AU - Huang, C. H.

AU - Wei, Yu Ling

PY - 2007

Y1 - 2007

N2 - Speciation of copper in the abstraction of nano copper with a room temperature ionic liquid (RTIL) (1-butyl-3-methylimidazolium hexafluorophosphate [C4mim][PF6]) has been studied by X-ray absorption near edge structural (XANES) and extended X-ray absorption fine structural (EXAFS) spectroscopies in the present work. The least-square fits of the XANES spectra suggest that nano CuO (79%) and Cu(II) complex (Cu(II)-IL) (21%) are the main copper species in the RTIL. The fitted EXAFS spectra show that the Cu-O (1st shell) bond distance is 2.08 Å with a coordination number (CN) of 2.6. In the second shells of copper, the average bond distance of Cu-Cu is 2.99 Å with a CN of 5.1.

AB - Speciation of copper in the abstraction of nano copper with a room temperature ionic liquid (RTIL) (1-butyl-3-methylimidazolium hexafluorophosphate [C4mim][PF6]) has been studied by X-ray absorption near edge structural (XANES) and extended X-ray absorption fine structural (EXAFS) spectroscopies in the present work. The least-square fits of the XANES spectra suggest that nano CuO (79%) and Cu(II) complex (Cu(II)-IL) (21%) are the main copper species in the RTIL. The fitted EXAFS spectra show that the Cu-O (1st shell) bond distance is 2.08 Å with a coordination number (CN) of 2.6. In the second shells of copper, the average bond distance of Cu-Cu is 2.99 Å with a CN of 5.1.

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BT - X-RAY ABSORPTION FINE STRUCTURE - XAFS13

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