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Title:
PHOTOCATALYST, GAS SENSOR DEVICE, GAS SENSOR, AND MEASURING METHOD
Document Type and Number:
WIPO Patent Application WO/2020/003464
Kind Code:
A1
Abstract:
Provided is a photocatalyst with which the time required for decomposing an object to be decomposed can be reduced. This photocatalyst (1) comprises cuprous bromide, and the cuprous bromide exhibits, with the irradiation of light, a photocatalytic property for decomposing a substance in contact with the cuprous bromide. A gas sensor device is also provided, said gas sensor device being provided with a first electrode, a second electrode, and a sensitive film that connects the first electrode and the second electrode, the sensitive film comprises cuprous bromide, and the cuprous bromide exhibits, with the irradiation of light, a photocatalytic property for decomposing a substance in contact with the cuprous bromide.

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Inventors:
USHIGOME MICHIO (JP)
WAKAMURA MASATO (JP)
TSUBOI OSAMU (JP)
Application Number:
PCT/JP2018/024693
Publication Date:
January 02, 2020
Filing Date:
June 28, 2018
Export Citation:
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Assignee:
FUJITSU LTD (JP)
International Classes:
B01J27/122; B01J35/02; G01N27/12
Foreign References:
CN105148951A2015-12-16
CN104959155A2015-10-07
JP2017227499A2017-12-28
JP2017191036A2017-10-19
JP2018025412A2018-02-15
JPS63158445A1988-07-01
JP2000055853A2000-02-25
JP2009233655A2009-10-15
JP2000327315A2000-11-28
JP2005193231A2005-07-21
JP2001302220A2001-10-31
JP2003175338A2003-06-24
JP2003334883A2003-11-25
JP2005029671A2005-02-03
JP2005200302A2005-07-28
JP2005219053A2005-08-18
JP2005220016A2005-08-18
JP2006050992A2006-02-23
JP2006197837A2006-08-03
JP2006204397A2006-08-10
JP2006212928A2006-08-17
JP2006239514A2006-09-14
JP2006265581A2006-10-05
JP2007167784A2007-07-05
JP2007252983A2007-10-04
JP2007260587A2007-10-11
JP2007263486A2007-10-11
JP2008036465A2008-02-21
JP2008050275A2008-03-06
JPH08245208A1996-09-24
JP2007144304A2007-06-14
Other References:
YAO, RU-XIN ET AL.: "A perfectly aligned 63 helical tubular cuprous bromide single crystal for selective photo-catalysis, luminescence and sensing of nitro-explosives", DALTON TRANSACTIONS, vol. 44, 2015, pages 3410 - 3416, XP055666845
MITANI, M. ET AL.: "Effect of phosphorus ligands on the Cu(I)-catalyzed addition reaction of alkyl halide to an electron-deficient olefin under photo-irradiation", REACTION KINETICS AND CATALYSIS LETTERS, vol. 65, no. 1, 1998, pages 101 - 106, XP055666844, ISSN: 0133-1736
K.V. RAJANIS. DANIELSM. RAHMANA. COWLEYP.J. MCNALLY: "Deposition of earth-abundant p-type CuBr films with high hole conductivity and realization of p-CuBr/n-Si heterojunction solar cell", MATERIALS LETTER, vol. 111, 2013, pages 63 - 66, XP028728913, DOI: 10.1016/j.matlet.2013.08.042
H. MOZZANEGA ET AL.: "NH3 Oxidation over UV-Irradiated Ti02 at Room Temperature", THE JOURNAL OF PHYSICAL CHEMISTRY, vol. 83, no. 17, 1979, pages 2251 - 2255
MICHIO USHIGOMEKAZUAKI KARASAWASATORU MOMOSERYOZO TAKASUOSAMU TSUBOI: "Development of portable breath sensor for measuring ammonia component in breath in short time", IEEJ, THE 33RD ''SENSOR SYMPOSIUM ON SENSORS, MICROMACHINES AND APPLIED SYSTEMS'' PROCEEDINGS, 2016
See also references of EP 3815783A4
Attorney, Agent or Firm:
SANADA, Tamotsu et al. (JP)
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