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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 35  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
IEICE-EID, IDY, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2021-01-28
13:15
Kyoto   Multinary oxide/oxysulfide phosphors and thin film emission devices
Kazuki Tsujimori, Haruki Taniguchi, Tadashi Ishigaki, Koutoku Ohmi (Tottori Univ.)
 [more]
IEICE-EID, IDY, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2021-01-28
13:20
Kyoto   Thermal quenching characteristics under CTS excitaion in Y4Si2O7N2:Eu3+ red phosphors synthesized in NH3 atmosphere
Ken Kinoshita, Misa Kawashima, Rentaro Furuie, Tadashi Ishigaki (Tottori Univ.), Takashi Kunimoto (Tokushima Bunri Univ.), Koutoku Ohmi (Tottori Univ.)
 [more]
IEICE-EID, IDY, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2021-01-28
13:30
Kyoto   Mn5+ activated M2GeO4(M = Ca, Sr, Ba) near-infrared phosphors for in-vivo imaging
Shoto Tanaka, Tadashi Ishigaki, Yutaro Zaima, Kouhei Matsubara, Yudai Nitta, Koutoku Ohmi (Tottori Univ.)
 [more]
IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2020-01-23
13:50
Tottori Tottori Univ [Poster Presentation] Investigation of correlation between PL temperature characteristics and charge transfer state (CTS) in Eu3+ activated red multi-anion compound phosphors
Misa Kawashima, Ken Kinoshita, Takuya Sohma, Kodai Nakamoto, Tadashi Ishigaki (Tottori Univ.), Takashi Kunimoto (Tokushima Bunri Univ.), Koutoku Ohmi (Tottori Univ.)
Eu3+ activated red multi-anion compound phosphors, such as Y4Si2O7N2:Eu3+ (YSON), La2O3:Eu3+ (LO) and LaOF:Eu3+ (LOF), h... [more]
IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2020-01-23
14:00
Tottori Tottori Univ [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.)
Red Phosphor LaSiO2N:Eu has been synthesized in NH3 atmosphere. The synthesized sample shows a red emission due to Eu3+ ... [more]
IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2020-01-23
14:05
Tottori Tottori Univ [Poster Presentation] Dispersive type EL devices prepared using ZnS:Cu nanophosphor -- Improvement of PL and EL characteristics by adding several flux materials --
Koki Saruta, Shuma Bando, Tadashi Ishigaki, Koutoku Ohmi (Tottori Univ)
For dispersive inorganic electroluminescent (EL) devices using ZnS:Cu phosphor, improvement of luminance and efficiency ... [more]
IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2020-01-23
14:10
Tottori Tottori Univ [Poster Presentation] Mn5+ activated M2AO4 (M = Ca, Sr, Ba, A = Si, Ge) near-infrared phosphors
Shoto Tanaka, Tadashi Ishigaki, Yutaro Zaima, Kohei Matsubara, Yudai Nitta, Koutoku Ohmi (Tottori Univ.)
M2AO4:Mn5+ (M = Ca, Sr, Ba, A = Si, Ge) phosphors have been synthesized by solid-state reaction method. Their crystallog... [more]
IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2020-01-24
11:05
Tottori Tottori Univ [Poster Presentation] Influence of Bi codoping to excitation characteristics in tetragonal Mg2TiO4:Mn4+ deep red phosphors
Motoshi Suhama, Yusuke Ueno, Tadashi Ishigaki, Koutoku Ohmi (Tottori Univ.)
In this study, the Bi3+ codoping to Mg2TiO4:Mn4+ has been attempted. In addition, a low temperature annealing at 625°C f... [more]
IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2020-01-24
11:15
Tottori Tottori Univ [Poster Presentation] Synthesis of Ca6BaP4O17:Mn5+ near-infrared phosphors and their luminescent properties
Kohei Matsubara, Tadashi Ishigaki, Yutarou Zaima, Shoto Tanaka, Yudai Nitta, Koutoku Ohmi (Tottori Univ.)
癌診断の方法の一つとして蛍光生体イメージングが期待されている.これまでの研究で液相反応法を用いてCa10(PO4)6(OH)2:Mn5+ (HAp:Mn5+) ナノ粒子蛍光体の作製に成功している.しかし,発光強度が非常に弱いため, Caサイ... [more]
IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2020-01-24
11:20
Tottori Tottori Univ [Poster Presentation] Characteristics of luminescence and particle shape in M10(PO4)6(OH)2:Mn5+ (M=Ca,Sr,Ba) near-infrared nanophosphors
Yutaro Zaima, Tadashi Ishigaki, Kouhei Matsubara, Shoto Tanaka, Yudai Nitta, Koutoku Ohmi (tottori Univ)
Recently, we succeeded in synthesizing a near-infrared Ca10(PO4)6(OH)2:Mn5+ (HAp:Mn5+) nanophosphors by liquid phase rea... [more]
IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2019-01-25
09:40
Kagoshima   [Poster Presentation] Dispersion type EL devices using ZnS: Cu nano phosphor -- Highly activation of Cu by impregnation method --
Satoshi Tanaka, Koki Saruta, Tadashi Ishigaki, Kotoku Ohmi (Tottotri Univ)
 [more]
IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2019-01-25
09:55
Kagoshima   [Poster Presentation] Current injection type emission devices using CuAlS2:Mn phosphor thin films -- SiO2 barrier layer suppressing interfacial diffusion between phosphor/electrode layers --
Shogo Ueda, Kazuki Tujimori, Tadashi Ishigaki, Koutoku Ohmi (Tottori Univ.)
Red light-emitting devices consisting of CuAlS2:Mn polycrystalline phosphor thin films have been investigated. CuAlS2:Mn... [more] IDY2019-17
pp.81-84
IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2019-01-25
10:00
Kagoshima   [Poster Presentation] Wavelength conversion agricultural sheet dispersed with Mg2TiO4:Mn4+ red phosphor
Kazuki Kuzukawa, Motoshi Suhama, Naruto Doumoto, Tadashi Ishigaki, Eiji Nishihara (Tottori Univ.), Ryota Yamanashi, Hiroshi Okura (Merck Ltd.), Koutoku Ohmi (Tottori Univ.)
Wavelength conversion sheets dispersed with red phosphor Mg2TiO4:Mn4+ (MTO) have been developed to promote photosynthesi... [more] IDY2019-18
pp.85-88
IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2019-01-25
10:20
Kagoshima   [Poster Presentation] Activation of Mn5+ centers by annealing in Ca10(PO4)6(OH)2:Mn5+ NIR nanophosphor
Ryo Takeuchi, Tadashi Ishigaki, Yutaro Zaima, Kouhei Matsubara, Shoto Tanaka, Koutoku Ohmi (Tottori Univ.)
 [more]
IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2019-01-25
10:40
Kagoshima   [Poster Presentation] Improvement of luminescence characteristics by atmospheric post-annealing for Y4Si2O7N2:Eu3+ red phosphor synthesized in NH3
Kodai Nakamoto, Misa Kawashima, Ken Kinoshita, Yuichiro Hatanaka, Tadashi Ishigaki (Tottori Unv.), Takashi Kunimoto (Tokushima Bunri Univ.), Tetsuo Honma (JASRI), Koutoku Ohmi (Tottori Unv.)
 [more]
IEICE-EID, IDY, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2018-01-26
09:00
Shizuoka Shizuoka Univ., Hamamatsu ZnS:Cu dispersive type EL devices prepared by liquid phase reaction method
Shohei Ueda, Satoshi Tanaka, Kouki Saruta, Tadashi Ishigaki, Koutoku Ohmi (Tottori Univ.)
 [more]
IEICE-EID, IDY, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2018-01-26
09:10
Shizuoka Shizuoka Univ., Hamamatsu Reduction of driving voltage in ZnS:Cu dispersive type EL devices -- Electric field concentration effect by whisker-shaped phosphor partcles --
Nagayama Ryo, Daichi Kaneda, Tadashi Ishigaki, Ohmi koutoku (Tottori Univ.)
 [more]
IEICE-EID, IDY, IEIJ-SSL, SID-JC, IEE-EDD [detail] 2018-01-26
09:20
Shizuoka Shizuoka Univ., Hamamatsu Current injection type EL devices using CuAlS2:Mn phosphor thin films -- Characteristics of phosphor thin films and EL devices prepared on ITO, ZnO, and ZnS --
Shota Hayashi, Shogo Ueda, Tadashi Ishigaki, Kotoku Ohmi (Tottori Univ.)
 [more]
IEICE-EID, IDY, IEE-EDD, IEIJ-SSL, SID-JC [detail] 2017-01-27
11:18
Tokushima Tokushima Univ. Mn5+ activated near-infrared nanophosphors for in vivo bioimaging
Wataru Uehara, Tadashi Ishigaki (Tottori Univ.), Toru Inagaki (Ube Industries, Ltd.), Nakamoto Kodai, Takeuchi Ryo (Tottori Univ.), Tetsuo Honma (JASRI), Koutoku Ohomi (Tottori Univ.)
 [more]
IEICE-EID, IDY, IEE-EDD, IEIJ-SSL, SID-JC [detail] 2017-01-27
11:26
Tokushima Tokushima Univ. Charge transfer state of Eu3+ centers in (La, Gd)-O-F-S and Y-Si-O-N
Masahiro Okada, Tadashi Ishigaki (Tottori Univ.), Ryo Yoshimatsu (Denka), Tetsuo Honma (JASRI), Koutoku Ohmi (Tottori Univ.)
 [more]
 Results 1 - 20 of 35  /  [Next]  
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