講演情報
[19p-C43-8]Real-time movies of photo-induced azo-polymer motions obtained by high-speed atomic force microscopy
〇Keishi Yang1, Feng-Yueh Chan2, Yasushi Inouye1,4, Prabhat Verma1, Takayuki Uchihashi2,3, Hidekazu Ishitobi1,4, Takayuki Umakoshi1,5 (1.Dept. Applied Physics, Osaka Univ., 2.Dept. of Physics, Nagoya Univ., 3.ExCELLS, 4.FBS, Osaka Univ., 5.Inst. Adv. Co-creation Studies, Osaka Univ.)
キーワード：
high-speed atomic force microscopy、azo-polymer
Azo-polymer thin film, containing azo-benzene molecules, forms unique surface reliefs due to photoisomerization reaction under light irradiation. In previous, the formation process of azo-polymer has been studied by observing distinct deformed structures at different irradiation times using atomic force microscopy (AFM). To reveal the formation mechanisms, real-time nanoscale visualization of the azo-polymer deformation process is highly desirable.
In this study, we achieved the real-time observation of the deformation process of azo-polymer thin films using high-speed atomic force microscopy(HS-AFM). HS-AFM can capture AFM image with a high spatial resolution (~1 nm) and temporal resolution (~10 frames per second). We succeeded in real time imaging of azo-polymer deformation process using HS-AFM combined with inverted optical microscope. Through HS-AFM observations under various conditions, the deformation mechanism of azo-polymer can be further understood in the future.
In this study, we achieved the real-time observation of the deformation process of azo-polymer thin films using high-speed atomic force microscopy(HS-AFM). HS-AFM can capture AFM image with a high spatial resolution (~1 nm) and temporal resolution (~10 frames per second). We succeeded in real time imaging of azo-polymer deformation process using HS-AFM combined with inverted optical microscope. Through HS-AFM observations under various conditions, the deformation mechanism of azo-polymer can be further understood in the future.
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