The 87th JSAP Autumn Meeting 2026
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Session Details

Oral presentation12 Organic Molecules and Bioelectronics : 12.2 Characterization and Materials Physics

[11a-A33-1~13]12.2 Characterization and Materials Physics

Fri. Sep 11, 2026 9:00 AM - 12:30 PM JST
Fri. Sep 11, 2026 12:00 AM - 3:30 AM UTC
A33 (Faculty of Info. Sci. & Tech. Bldg.)
9:00 AM - 9:15 AM JST(12:00 AM - 12:15 AM UTC)

[11a-A33-1]Investigating Exciton Diffusion and Harvesting Dynamics in Lanthanide-Based OLEDs

〇(PC)Shiori Miyazaki1,2, Yunzhou Deng1, Kenichi Goushi2, Kiyoshi Miyata2, Chihaya Adachi2, Ken Onda2, Akshay Rao1 (1.University of Cambridge, 2.Kyushu Univ.)
9:15 AM - 9:30 AM JST(12:15 AM - 12:30 AM UTC)

[11a-A33-2]High-Precision Automated Analysis of Photoelectron Yield Spectroscopy Spectra Based on Akaike Information Criterion: Introduction of Variable Power Exponent Search

〇Shinjiro Yagyu1, Takahiro Nagata1, Takeshi Yasuda1, Yoshiyuki Nakajima2 (1.NIMS, 2.Rikenkeiki)
9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[11a-A33-3]Orientation and Molecule-Substrate Interactions of Polar Molecules Exhibiting Spontaneous Orientation Polarization

〇(DC)Ryo Nakano1, Risako Kameyama1, Manato Tateno1, Hirohiko Fukagawa1,2,3, Takayuki Miyamae1,3,4 (1.Chiba Univ., 2.CFS, Chiba Univ., 3.MCRC, Chiba Univ., 4.SMARC, Chiba Univ.)
9:45 AM - 10:00 AM JST(12:45 AM - 1:00 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[11a-A33-4]Observation of Exciton-Anion Fusion in Triazine Derivatives

〇(B)Ryosuke Hanashima1, Manato Tateno2, Renjiro Shibuya2, Seita Kyogoku2, Shintaro Mitsui2, Takeshi Okada3, Nobumichi Arai3, Hisao Ishii2,4,5, Hirohiko Fukagawa2,4,5 (1.F.Eng. Chiba Univ., 2.GSSE Chiba Univ., 3.Tosoh Corporation, 4.CFS Chiba Univ., 5.MCRC Chiba Unniv)
10:00 AM - 10:15 AM JST(1:00 AM - 1:15 AM UTC)

[11a-A33-5]Development of a Simple Method for Measuring the Density of States Using Finate-Difference Photoelectron Yield Spectroscopy

〇(M1)Kasumi Koshiba1, Manato Tateno1, Ryo Ozaki1, Hirohiko Fukagawa1,2,3, Hisao Ishii1,2,3 (1.GSSE Chiba Univ., 2.CFS Chiba Univ., 3.MCRC Chiba Univ.)
10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)

[11a-A33-6]Observation of molecular reorientation of organic light-emitting materials by ultrafast time-resolved electron diffraction measurement

〇(D)Kaito Enya1, Yuri Saida1, Masaki Saigo2, Kanami Sugiyama3, Kiyoshi Miyata2, Makoto Kuwahara4, Yoichi Yamada1, Eiji Nishibori1, Shin-ya Koshihara1, Hajime Nakanotani5, Ken Onda2, Chihaya Adachi6, Masaki Hada1 (1.Univ.Tsukuba, 2.Sci., Kyushu Univ., 3.Kyoto Univ., 4.Nagoya Univ., 5.Hokkaido Univ., 6.OPERA, Kyushu Univ.)
10:45 AM - 11:00 AM JST(1:45 AM - 2:00 AM UTC)

[11a-A33-7]Electronic structure changes induced by alkali metal deposition on the organic Mott insulator β′-(BEDT-TTF)2ICl2 studied by angle-resolved photoelectron spectroscopy

〇Yuto Ishida1, Keisuke Fukutani2, Kohki Mizukami2, Ryotaro Nakazawa1, Takuya Kobayashi3, Taketoshi Minato2,5, Hiromi Taniguchi4, Satoshi Kera1,2 (1.Chiba Univ., 2.IMS, 3.Hokkaido Univ., 4.Saitama Univ, 5.Spin-L)
11:00 AM - 11:15 AM JST(2:00 AM - 2:15 AM UTC)

[11a-A33-8]Demonstration of Intermolecular Electronic-band Dispersion on Solution-grown Organic Semiconductor Single-crystals

〇Yasuo Nakayama1, Tomoya Tasaki1, Kiyoshi Nikaido2, Ryota Ono2, Kazuhide Kikuchi1, Hiroyuki Hattori1, Kiyohisa Tanaka3, Reiji Kumai4, Hiroyuki Matsui5, Satoru Inoue5, Tatsuo Hasegawa2 (1.Tokyo Univ. Sci., 2.Univ. Tokyo, 3.IMS, 4.KEK, 5.Yamagata Univ.)
11:15 AM - 11:30 AM JST(2:15 AM - 2:30 AM UTC)

[11a-A33-9]Direct observation of electron–molecular vibration coupling in copper phthalocyanine monolayer by high-resolution low-energy inverse photoemission spectroscopy

Tomoko Onishi1, Mihiro Kubo1, 〇Hiroyuki Yoshida1,2 (1.Chiba Univ., 2.MCRC, Chiba Univ.)
11:30 AM - 11:45 AM JST(2:30 AM - 2:45 AM UTC)

[11a-A33-10]Peak separation analyses for inverse photoelectron spectra: Comparing curve fitting, second derivative, and deconvolution

〇Ryotaro Nakazawa1, Haruki Sato1, Hiroyuki Yoshida1 (1.GSE, Chiba Univ.)
11:45 AM - 12:00 PM JST(2:45 AM - 3:00 AM UTC)

[11a-A33-11]Direct determination of electron affinities of OLED materials using low energy inverse photoelectron spectroscopy (LEIPS)

〇Kiyoshi Torizuka1, Ota Nagaoka1, Kazuki Nakano1, Hiroyuki Yoshida1,2 (1.Chiba Univ., 2.MCRC Chiba Univ)
12:00 PM - 12:15 PM JST(3:00 AM - 3:15 AM UTC)

[11a-A33-12]Electronic Energy Level Measurements of Pentacene Films Prepared by Photoconversion of a Soluble Precursor

〇Takuto Ohguro1, Shinjiro Suzuki3, Hiroko Yamada3, Ryotaro Nakazawa1, Hiroyuki Yoshida1,2 (1.GSE,Chiba Univ., 2.MCRC,Chiba Univ., 3.ICR,Kyoto Univ.)
12:15 PM - 12:30 PM JST(3:15 AM - 3:30 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[11a-A33-13]Variation in Electron Affinity Induced by Spontaneous Orientation Polarization
in OLED Materials

〇Ota Nagaoka1, Kiyoshi Torizuka1, Ryotaro Nakazawa1, Hiroyuki Yoshida1,2 (1.Chiba Univ., 2.Chiba Univ.)
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