CEMS Topical Meeting on

Organic Photoelectronics: Theory, Materials, Interfaces, and Spectroscopy

July 25–26, 2019
Suzuki Umetaro Hall, RIKEN



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Day 1 (Thursday, July 25, 2019)

12:30 - 13:10Registration
13:10 - 13:20Opening
Session I
13:20 - 13:50Shun Watanabe (The University of Tokyo)
Molecular Alchemy towards Plastic Metal
13:50 - 14:20Akira Ohno (Tokyo Institute of Technology)
Charge Transport Mechanism Controlled by Degree of Order in Organic Semiconductors
14:20 - 14:50Hiroyuki Matsui (Yamagata University)
Crystal Structure, Band Calculation and Crystal Orientation Imaging of Printed TMTES-Pentacene Thin-Film Transistors
14:50 - 15:20Shunto Arai (The University of Tokyo)
Semiconductive Single Molecular Bilayers: A New Type of Molecular Nanostructure
15:20 - 15:40Coffee Break
Session II
15:40 - 16:10Takuya Ogaki (RIKEN CEMS)
Control of packing structure of organic semiconductors by introducing small substituents
16:10 - 16:40Takaaki Manaka (Tokyo Institute of Technology)
Spectroscopic operand measurements for studying the organic semiconductor devices
16:40 - 17:10Masao Nakamura (RIKEN CEMS)
Potentials of Organic Ferroelectrics in Shift Current Photovoltaics
17:10 - 17:40Naoki Ogawa (RIKEN CEMS)
THz Emission Spectroscopy on Shift Current
17:40 - 18:00Break
18:00 - 20:00Banquet at Hirosawa Club

Day 2 (Friday, July 26, 2019)

8:30 - 9:00Registration
Session III
9:00 - 9:30Kyohei Nakano (RIKEN CEMS)
Organic Donor and Acceptor Interface in Photovoltaics
9:30 - 10:00Takatoshi Fujita (Institute for Molecular Science)
Theoretical Investigation on Effects of Polarization and Delocalization on Excited States in Organic Semiconductors
10:00 - 10:10Coffee Break
10:10 - 10:40Kiyoshi Miyata (Kyushu University)
Real-time Observation of Concerted Electron-Phonon Dynamics in Organic Materials for Optoelectronics
10:40 - 11:10Yasunari Tamai (Kyoto University)
Photon Energy Loss and Charge Recombination in Nonfullerene Acceptor Organic Solar Cells
11:10 - 11:40Hiroyuki Yoshida (Chiba University)
Energy of Charge Separation States in Donor and Acceptor Blend Films
11:40 - 13:00Lunch Break
13:00 - 14:30Poster Session
Session IV
14:30 - 15:00Hajime Nakanotani (Kyushu University)
Manipulation of the Spin-Flip Process Toward to Development of High-Performance Organic Light-Emitting Devices
15:00 - 15:30Hiroyuki Tamura (The University of Tokyo)
Theoretical Study of Charge and Exciton Dynamics in Molecular Condensates
15:30 - 15:50Coffee Break
15:50 - 16:20Tsuneaki Sakurai (Kyoto University)
Highly Fluorescent Liquid Crystal Blends Using Excited-State Intramolecular Proton Transfer Molecules
16:20 - 16:50Yuya Tanaka (Chiba University)
Displacement Current Measurement of Organic Semiconductor Devices Using a Combined Waveform
16:50 - 17:20Naoya Aizawa (RIKEN CEMS)
Prediction of Reversible Intersystem Crossing Kinetics in Organic Semiconductors
17:20 - 17:30Closing

Poster Session (Friday, July 26, 2019)

P01Masaki Saigo (Kyushu University)
Structural relaxation upon S1-T1 conversion and thermally activated delayed fluorescence in carbazole-benzonitrile derivatives
P02Hokuto Hamada (Chiba University)
Orientation polarization of organic molecules on PEDOT:PSS treated by UV/O3: Internal potential distribution and device properties of organic light-emitting diodes
P03Naotaka Kasuya (The University of Tokyo)
High carrier density, electrostatic doping in organic semiconductors with novel electret polymers
P04Abduheber Mirzehmet (Chiba University)
Surface Termination of Solution-processed Perovskite Film
P05Cheng Zhang (RIKEN CEMS)
Bulk Photovoltaic Effects with Spontaneous Polarization of Subphthalocynines
P06Masuki Kawamoto (RIKEN CEMS)
A Solution-Processed Substrate-Free Thermoelectric Film
P07Wei-Chih Wang (RIKEN CEMS)
Face-on Orientation of Semiconducting Polymers in Thin Films Induced by Surface Segregated Polymer Layer
P08Yuki Uemura (Chiba University)
Impact of the molecular quadrupole moment in the molecularly mixed film of organic semiconductors
P09Naoya Aizawa (RIKEN CEMS)
Exciplex Emissions Derived from Exceptionally Long-Distanced Donor and Acceptor Molecules
P10Kazushi Enomoto (RIKEN CEMS)
Controllable 1D patterned assembly of colloidal quantum dots on PbSO4 nanoribbons
P11Soo Won Heo (RIKEN CEMS)
Enhancement of energy conversion efficiency and long-term stability in OPV via interfacial engineering
A Small Molecule Acceptor with Large Fused Ring Core for Organic Solar Cells
P13Syed Abdullah Abd Rahman (Chiba University)
Coverage dependence of Energy Levels in Organic Monolayer
P14Takumi Aihara (Chiba University)
Screening effect of metal surface on the interface energy level alignment at the metal/organic
P15Chao Wang (RIKEN CEMS)
Fullerene Molecules at Organic Interfaces
P16Shuixing Dai (RIKEN CEMS)
The effect of central core on the performance of fused-ring acceptors
Highly sensitive organic image sensors based on diode-stacked pixels
P18Koki Shibata (Chiba University)
Enhancement of signal intensity of inverse photoelectron spectroscopy by grating-coupled surface plasmon resonance