Local crystal structure of nano-manganese-oxide gold adsorbent

Satoshi Iikubo; Hideki Koyanaka; Shin Ichi Shamoto; Ken Takeuchi; Shinji Kohara; Katsuaki Kodama; Chun Keung Loong

doi:10.1016/j.jpcs.2010.08.011

Local crystal structure of nano-manganese-oxide gold adsorbent

Satoshi Iikubo, Hideki Koyanaka, Shin Ichi Shamoto, Ken Takeuchi, Shinji Kohara, Katsuaki Kodama, Chun Keung Loong

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

The local crystal structure of dried and deuterated nano-manganese-oxide powder samples was studied via atomic pair distribution function analysis of X-ray and neutron powder diffraction data. The protonated sample shows ultrahigh efficiency as a gold adsorbent even from ppt-level aqueous solutions such as seawater. We show that the nano-manganese-oxide particles have an R-MnO ₂-type local crystal structure. The possible role of the protons on the surface of the nano-particles is discussed.

Original language	English
Pages (from-to)	1603-1608
Number of pages	6
Journal	Journal of Physics and Chemistry of Solids
Volume	71
Issue number	11
DOIs	https://doi.org/10.1016/j.jpcs.2010.08.011
Publication status	Published - Nov 2010
Externally published	Yes

All Science Journal Classification (ASJC) codes

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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10.1016/j.jpcs.2010.08.011

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title = "Local crystal structure of nano-manganese-oxide gold adsorbent",

abstract = "The local crystal structure of dried and deuterated nano-manganese-oxide powder samples was studied via atomic pair distribution function analysis of X-ray and neutron powder diffraction data. The protonated sample shows ultrahigh efficiency as a gold adsorbent even from ppt-level aqueous solutions such as seawater. We show that the nano-manganese-oxide particles have an R-MnO 2-type local crystal structure. The possible role of the protons on the surface of the nano-particles is discussed.",

author = "Satoshi Iikubo and Hideki Koyanaka and Shamoto, {Shin Ichi} and Ken Takeuchi and Shinji Kohara and Katsuaki Kodama and Loong, {Chun Keung}",

note = "Funding Information: This study was supported by a Grant-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science and Technology of Japan . The experiments have benefited from the use of the Intense Pulsed Neutron Source at Argonne National Laboratory, funded by the US. Department of Energy, BES-Materials Science , under Contract W-31-109-Eng-38 , and the Los Alamos Neutron Science Center at the Los Alamos National Laboratory, funded by the US. Department of Energy under Contract W-7405-ENG-36. We thank Prof. Y. Kameda for providing D 2 O PDF data.",

year = "2010",

month = nov,

doi = "10.1016/j.jpcs.2010.08.011",

language = "English",

volume = "71",

pages = "1603--1608",

journal = "Journal of Physics and Chemistry of Solids",

issn = "0022-3697",

publisher = "Elsevier Limited",

number = "11",

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TY - JOUR

T1 - Local crystal structure of nano-manganese-oxide gold adsorbent

AU - Iikubo, Satoshi

AU - Koyanaka, Hideki

AU - Shamoto, Shin Ichi

AU - Takeuchi, Ken

AU - Kohara, Shinji

AU - Kodama, Katsuaki

AU - Loong, Chun Keung

N1 - Funding Information: This study was supported by a Grant-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science and Technology of Japan . The experiments have benefited from the use of the Intense Pulsed Neutron Source at Argonne National Laboratory, funded by the US. Department of Energy, BES-Materials Science , under Contract W-31-109-Eng-38 , and the Los Alamos Neutron Science Center at the Los Alamos National Laboratory, funded by the US. Department of Energy under Contract W-7405-ENG-36. We thank Prof. Y. Kameda for providing D 2 O PDF data.

PY - 2010/11

Y1 - 2010/11

N2 - The local crystal structure of dried and deuterated nano-manganese-oxide powder samples was studied via atomic pair distribution function analysis of X-ray and neutron powder diffraction data. The protonated sample shows ultrahigh efficiency as a gold adsorbent even from ppt-level aqueous solutions such as seawater. We show that the nano-manganese-oxide particles have an R-MnO 2-type local crystal structure. The possible role of the protons on the surface of the nano-particles is discussed.

AB - The local crystal structure of dried and deuterated nano-manganese-oxide powder samples was studied via atomic pair distribution function analysis of X-ray and neutron powder diffraction data. The protonated sample shows ultrahigh efficiency as a gold adsorbent even from ppt-level aqueous solutions such as seawater. We show that the nano-manganese-oxide particles have an R-MnO 2-type local crystal structure. The possible role of the protons on the surface of the nano-particles is discussed.

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U2 - 10.1016/j.jpcs.2010.08.011

DO - 10.1016/j.jpcs.2010.08.011

M3 - Article

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SN - 0022-3697

VL - 71

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JO - Journal of Physics and Chemistry of Solids

JF - Journal of Physics and Chemistry of Solids

IS - 11

ER -

Local crystal structure of nano-manganese-oxide gold adsorbent

Abstract

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