Hisao Ishii

Professor

Chiba University

Japan

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Hisao Ishii is a Professor at Chiba University in Japan. His research focuses on the properties of organic semiconductors, photoelectron emission, and the development of advanced materials for electronic devices. Recent articles include explorations into the effects of nitrogen doping in Cu2O-based pn junctions, and the role of molecular orientation in organic field-effect transistors. He is also involved in innovative studies related to energy generation and the characterization of halide perovskites.

Articles (15)

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2025

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2025

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2025

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2025

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2025

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2022

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2022

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2022

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2021

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2021

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2021

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2021

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2021

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2021

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2020

Collaborators (9)

Sean Roberts

Associate Professor

University of Texas at Austin

UNITED STATES

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Hirohiko Fukagawa

Chiba University

JAPAN

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Satoshi Yasuno

Japan Synchrotron Radiation Research Institute

JAPAN

Associate Professor

Ritsumeikan University

JAPAN

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Hisao Ishii

Research Interests

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About

Articles (15)

Molecular orientation of dielectric layers at indigo/dielectric interfaces impacts the ordering of indigo films in organic field-effect transistors

Impact of Nitrogen Doping on Leakage Current of p‐Type Cu2O‐Based pn Junctions for Ga2O3 Power Device Applications

Density of States around the Valence Top Region of Cu2O Thin Films Observed with Constant‐Initial‐State and Constant‐Final‐State Photoelectron Yield Spectroscopy

Highly efficient photoelectron emission from stable low-work-function surfaces using organic bases

Instantaneous deposition-rate modulator for vacuum vapor deposition: fabrication of polarization gradated organic film

Understanding spontaneous orientation polarization of amorphous organic semiconducting films and its application to devices

Study of the effect of density of states distribution on carrier injection at organic/electrode interface through high-sensitivity photoemission spectroscopy and injection simulation

Current Generation Mechanism in Self-assembled Electret-based Vibrational Energy Generators

MEMS post-processed self-assembled electret for vibratory energy harvesters

Direct probing of gap states and their passivation in halide perovskites by high-sensitivity, variable energy ultraviolet photoelectron spectroscopy

Enhanced orientation of 1,3,5-tris(1-phenyl-1h-benzimidazole-2-yl)benzene by light irradiation during its deposition evaluated by displacement current measurement

Examination of Spontaneous Orientation Polarization in Wet-Processed Tris(8-hydroxyquinolinato)aluminum Film Measured by Rotary Kelvin Probe Method

In-gap states of an amorphous In-Ga-Zn-O thin film studied via high-sensitivity ultraviolet photoemission spectroscopy using low-energy photons

Influence of intermolecular interactions on the formation of spontaneous orientation polarization in organic semiconducting films

Self-Assembled Electret for Vibration-Based Power Generator

Collaborators (9)

Sean Roberts

Hirohiko Fukagawa

Satoshi Yasuno

Yuzo Shigesato

Yutaka Noguchi

Takayuki Miyamae

JUNJUN JIA

Yuya Tanaka

Daisuke Yamane

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