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Paper Abstract and Keywords
Presentation 2020-01-23 14:00
[Poster Presentation] Excitation and luminescent characteristics LaSiO2N:Eu red phosphors synthesized in NH3
KenKinoshita, Misa Kawashima, Takuya Sohma, Tadashi Ishigaki (Tottori Univ.), Takashi Kunimoto (Tokusima Bunri Univ.), Koutoku Ohmi (Tottori Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Red Phosphor LaSiO2N:Eu has been synthesized in NH3 atmosphere. The synthesized sample shows a red emission due to Eu3+ and a broad CTS excitation band in the near UV. The CTS energy in this sample is about 3.43 eV, which is slightly lower than 3.51 eV of La2O2S:Eu. The photoluminescent (PL) emission intensity under CTS excitation is increased by about 64 times by the post-annealing in air increased. From the X-ray Absorption Fine Structure measurement, it is confirmed that the Eu3+ in the post-annealed phosphor sample is more than 90%.
Keyword (in Japanese) (See Japanese page) 
(in English) white LED / LaSiO2N:Eu / CTS excitation band / red phosphor / / / /  
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Conference Information
Conference Date 2020-01-23 - 2020-01-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Tottori Univ 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To IEICE-EID 
Conference Code 2020-01-EID-IDY-SSL-JC-EDD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Excitation and luminescent characteristics LaSiO2N:Eu red phosphors synthesized in NH3 
Sub Title (in English)  
Keyword(1) white LED  
Keyword(2) LaSiO2N:Eu  
Keyword(3) CTS excitation band  
Keyword(4) red phosphor  
1st Author's Name KenKinoshita  
1st Author's Affiliation Tottori University (Tottori Univ.)
2nd Author's Name Misa Kawashima  
2nd Author's Affiliation Tottori University (Tottori Univ.)
3rd Author's Name Takuya Sohma  
3rd Author's Affiliation Tottori University (Tottori Univ.)
4th Author's Name Tadashi Ishigaki  
4th Author's Affiliation Tottori University (Tottori Univ.)
5th Author's Name Takashi Kunimoto  
5th Author's Affiliation Tokushima Bunri University (Tokusima Bunri Univ.)
6th Author's Name Koutoku Ohmi  
6th Author's Affiliation Tottori University (Tottori Univ.)
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Speaker Author-1 
Date Time 2020-01-23 14:00:00 
Presentation Time 5 minutes 
Registration for IEICE-EID 
Paper #  
Volume (vol) vol.44 
Number (no) no.1 
Date of Issue  

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