Session Details

[9a-N205-1~10]13.8 Optical properties and light-emitting devices

Tue. Sep 9, 2025 9:00 AM - 11:30 AM JST
Tue. Sep 9, 2025 12:00 AM - 2:30 AM UTC
N205 (Lecture Hall North)

[9a-N205-1]High External Quantum Efficiency of 0.51% in 232 nm AlGaN-based far-UVC LED by Swapping from Heteroepitaxy to Homoepitaxy

〇(P)Muhammad Nawaz Sharif1, Kohei Fujimoto1,3, Arata Sasaki1,3, Hiromitsu Sakai2, Hiroyuki Yaguchi3, Muhammad Ajmal Khan1, Hideki Hirayama1 (1.Quantum Optodevice Labortory RIKEN Cluster for Pioneering Research, 2.Shin-Etsu Chemical Co., Ltd. Japan, 3.Saitama University)

[9a-N205-2]Demonstration of (219–221 nm)-Band Extreme-far-UVC LEDs on c-Sapphire

〇(P)Amina Yasin1, Yuki Nakamura1, M. Nawaz Sharif1, M. Ajmal Khan1, Hideki Hirayama1 (1.RIKEN)

[9a-N205-3]A new tri-layer Ni/Al/Au p-electrode in 281 nm UVB LED Boosted EQE to 4.6%

〇Hamida Zia2,1, Amina Yasin2, Kohei Fujimoto1,2, Hiroyuki Yaguchi1, M. Ajmal Khan2, Hideki Hirayama2 (1.Saitama University, 2.Riken)

[9a-N205-4]Dependence of light output on Si concentration of deep-UV LEDs with Si-doped quantum well structures

〇Marina Fujita1, Takeuchi Tetsuya1, Kamiyama Satoshi1, Iwaya Motoaki1, Ishiguro Hisanori1, Takehisa Teppei1, Muto Hibiki1, Miura Sena1, Takase Kenta1 (1.Meijo Univ)

[9a-N205-5]Temperature Dependence of Photoluminescence in Layered Two-Dimensional TiNCl

〇Masaru Oda1, Taisei Ukon1, Masashi Tanaka1, Hisao Kondo2, Aishi Yamamoto3 (1.Kyushu Inst. of Tech., 2.Ehime Univ., 3.Hiroshima Inst. of Tech.)

[9a-N205-6]Observation of Multiple-quantum-well Polaritons by Reflectance Spectra Measurements in Organic-inorganic 2D Perovskite Film

〇Naoki Shimosako1, Yasuhiro F. Miura2, Yoshiya Akagi2, Hideyuki Kunugita3, Kazuhiro Ema3 (1.Shizuoka Univ., 2.Hamamatsu Univ. School of Med., 3.Sophia Univ.)

[9a-N205-7]Electronic and Luminescence Properties of Novel Zero-Dimensional Li2HfX6 Halide Scintillators for Neutron Detection

〇(DC)Chihaya Fujiwara1,2, Shunsuke Kurosawa2,3,4,5, Akihiro Yamaji2,3, Akira Yoshikawa2,3 (1.Graduate School of Eng., Tohoku Univ., 2.IMR, Tohoku Univ., 3.NICHe, Tohoku Univ., 4.ILE Osaka Univ., 5.Institute for Integrated Radiation and Nuclear Science, Kyoto Univ.)

[9a-N205-8]Luminescence color tuning of colloidal silicon quantum dots dispersible in polar solvents by gel permeation chromatography

〇(M1C)Shota Sasaki1, Nobuyoshi Koshida1,2, Toshihiro Nakamura1 (1.Hosei Univ., 2.Tokyo Univ. of A&T)

[9a-N205-9]Narrow band luminescence from organic dye and silicon quantum dot hybrid thin film with Fabry–Pérot resonator

〇(M1)Daigo Michikoshi1, Nobuyoshi Koshida1,2, Takashi Kasahara1, Toshihiro Nakamura1 (1.Hosei Univ., 2.Tokyo Univ. A&T)

[9a-N205-10]Improvement of luminescence properties of Si quantum dot based electrogenerated chemiluminescence device using organic molecules

〇(M1C)Rikuto Tanaka1, Nobuyoshi Koshida1,2, Takashi Kasahara1, Nakamura Toshihiro1 (1.Hosei Univ., 2.Tokyo Univ.)