STRUCTURE AND PRODUCTION METHOD THEREFOR - JAPAN SCIENCE & TECH AGENCY

Title:

STRUCTURE AND PRODUCTION METHOD THEREFOR

Document Type and Number:

WIPO Patent Application WO/2018/139579

Kind Code:

A1

Abstract:

Provided are: a structure with high photocatalytic activity; and a production method therefor. The structure of an embodiment is characterized in that: the structure is provided with a first metal compound with a first crystal structure and a second metal compound layer which is located on the surface of the first metal compound and has a second structure that differs from the first crystal structure; and, in time-resolved spectroscopy measured 5 µs after laser pulse irradiation, the maximum value of super-absorption intensity for the first metal compound, which has the second metal compound layer on the surface thereof, in the 1000 cm-1 to 20000 cm-1 wavenumber range is in the 1000 cm-1 to 8000 cm-1 wavenumber range and the ratio of said maximum super-absorption intensity with respect to the super-absorption intensity at wavenumber 15000 cm-1 is at least 10 fold.

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Inventors:

YAMAKATA AKIRA (JP)
JUNIE JHON MAGDADARO VEQUIZO (JP)
CHANDANA SAMPATH KUMARA RANASINGHE (JP)

Application Number:

PCT/JP2018/002459

Publication Date:

August 02, 2018

Filing Date:

January 26, 2018

Export Citation:

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Assignee:

JAPAN SCIENCE & TECH AGENCY (JP)

International Classes:

B01J35/02; B01J21/06; B01J23/30; B01J37/02; B01J37/34

Domestic Patent References:

WO2013133338A1

2013-09-12

Foreign References:

CN103736500A	2014-04-23
CN104028258A	2014-09-10
JP2015200016A	2015-11-12
JP2014221438A	2014-11-27
JP2004205256A	2004-07-22

Other References:

RANASINGHE, C. S. K. ET AL.: "Transient Absorption Study of Photogenerated Charge Carriers in Electrochemical Systems , 118 A", 14 September 2016 (2016-09-14), pages 78, XP055531635, ISSN: 1343-9936
YAMAKATA, A. ET AL.: "Distinctive Behavior of Photogenerated Electrons and Holes in Anatase and Rutile TiO2 Powders", J. PHYS. CHEM. C, vol. 119, no. 43, 8 October 2015 (2015-10-08), pages 24538 - 24545, XP055529859

Attorney, Agent or Firm:

KISARAGI ASSOCIATES (JP)

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