并五苯
X射线光电子能谱
单层
材料科学
有机半导体
极性(国际关系)
极地的
半导体
单晶
化学物理
光电子学
纳米技术
结晶学
化学
化学工程
薄膜晶体管
图层(电子)
工程类
细胞
物理
生物化学
天文
作者
Takahiro Nagata,Terumi Nakamura,Ryoma Hayakawa,Takeshi Yoshimura,Seungjun Oh,Nobuya Hiroshiba,Toyohiro Chikyow,Norifumi Fujimura,Yutaka Wakayama
标识
DOI:10.7567/apex.10.025702
摘要
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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