Photoelectron spectroscopic study on monolayer pentacene thin-film/polar ZnO single-crystal hybrid interface

Takahiro Nagata; Tatsuru Nakamura; Ryoma Hayakawa; Takeshi Yoshimura; Seungjun Oh; Nobuya Hiroshiba; Toyohiro Chikyow; Norifumi Fujimura; Yutaka Wakayama

doi:10.7567/APEX.10.025702

Photoelectron spectroscopic study on monolayer pentacene thin-film/polar ZnO single-crystal hybrid interface

Takahiro Nagata, Tatsuru Nakamura, Ryoma Hayakawa, Takeshi Yoshimura, Seungjun Oh, Nobuya Hiroshiba, Toyohiro Chikyow, Norifumi Fujimura, Yutaka Wakayama

材料科学高等研究所

研究成果: Article › 査読

4 被引用数 (Scopus)

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The polarity effects of ZnO on the electronic state of a monolayer pentacene/ZnO interface were investigated by X-ray photoelectron spectroscopy (XPS). XPS revealed that the Zn-polar ZnO (Zn-ZnO) strongly depleted electrons in pentacene at the interface. The O-polar ZnO showed greater electron transfer from ZnO to pentacene than Zn-ZnO. The surface potential of pentacene on ZnO was larger than that of bulk pentacene regardless of the ZnO polarity. These findings indicate that the polarity of ZnO has the potential to control the electronic state of the organic/ inorganic semiconductor interface.

本文言語	English
論文番号	025702
ジャーナル	Applied Physics Express
巻	10
号	2
DOI	https://doi.org/10.7567/APEX.10.025702
出版ステータス	Published - 2017 2月

ASJC Scopus subject areas

工学（全般）
物理学および天文学（全般）

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title = "Photoelectron spectroscopic study on monolayer pentacene thin-film/polar ZnO single-crystal hybrid interface",

abstract = "The polarity effects of ZnO on the electronic state of a monolayer pentacene/ZnO interface were investigated by X-ray photoelectron spectroscopy (XPS). XPS revealed that the Zn-polar ZnO (Zn-ZnO) strongly depleted electrons in pentacene at the interface. The O-polar ZnO showed greater electron transfer from ZnO to pentacene than Zn-ZnO. The surface potential of pentacene on ZnO was larger than that of bulk pentacene regardless of the ZnO polarity. These findings indicate that the polarity of ZnO has the potential to control the electronic state of the organic/ inorganic semiconductor interface.",

author = "Takahiro Nagata and Tatsuru Nakamura and Ryoma Hayakawa and Takeshi Yoshimura and Seungjun Oh and Nobuya Hiroshiba and Toyohiro Chikyow and Norifumi Fujimura and Yutaka Wakayama",

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T1 - Photoelectron spectroscopic study on monolayer pentacene thin-film/polar ZnO single-crystal hybrid interface

AU - Nagata, Takahiro

AU - Nakamura, Tatsuru

AU - Hayakawa, Ryoma

AU - Yoshimura, Takeshi

AU - Oh, Seungjun

AU - Hiroshiba, Nobuya

AU - Chikyow, Toyohiro

AU - Fujimura, Norifumi

AU - Wakayama, Yutaka

PY - 2017/2

Y1 - 2017/2

N2 - The polarity effects of ZnO on the electronic state of a monolayer pentacene/ZnO interface were investigated by X-ray photoelectron spectroscopy (XPS). XPS revealed that the Zn-polar ZnO (Zn-ZnO) strongly depleted electrons in pentacene at the interface. The O-polar ZnO showed greater electron transfer from ZnO to pentacene than Zn-ZnO. The surface potential of pentacene on ZnO was larger than that of bulk pentacene regardless of the ZnO polarity. These findings indicate that the polarity of ZnO has the potential to control the electronic state of the organic/ inorganic semiconductor interface.

AB - The polarity effects of ZnO on the electronic state of a monolayer pentacene/ZnO interface were investigated by X-ray photoelectron spectroscopy (XPS). XPS revealed that the Zn-polar ZnO (Zn-ZnO) strongly depleted electrons in pentacene at the interface. The O-polar ZnO showed greater electron transfer from ZnO to pentacene than Zn-ZnO. The surface potential of pentacene on ZnO was larger than that of bulk pentacene regardless of the ZnO polarity. These findings indicate that the polarity of ZnO has the potential to control the electronic state of the organic/ inorganic semiconductor interface.

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Photoelectron spectroscopic study on monolayer pentacene thin-film/polar ZnO single-crystal hybrid interface

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