Photo-induced volume change of amorphous carbon nitride thin films

2016 Fiscal Year Final Research Report

• Project/Area Number: 26790054
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Thin film/Surface and interfacial physical properties
• Research Institution: 防衛大学校(総合教育学群、人文社会科学群、応用科学群、電気情報学群及びシステム工学群)
• Principal Investigator: Aono Masami 防衛大学校(総合教育学群、人文社会科学群、応用科学群、電気情報学群及びシステム工学群), 電気情報学群, 准教授 (80531988)
• Research Collaborator: HARATA Tomo 防衛大学校, 大学院理工学研究科, 学生 ; TAMURA Naoyuki 防衛大学校, 大学院理工学研究科, 学生 ; MIYAZAKI Hisashi 防衛大学校, 電気情報学群, 助教 (30531991) ; KISHIMURA Hiroaki 防衛大学校, 電気情報学群, 講師 (40535332) ; ABE Hiroshi 防衛大学校, 電気情報学群, 教授 (60535300)
• Project Period (FY): 2014-04-01 – 2017-03-31
• Keywords: 窒化炭素 / アモルファス / 光 / エネルギー変換 / マイクロマシーン

Outline of Final Research Achievements

Photoinduced volume change, which is a deformation induced by irradiation of visible light, is revealed in amorphous carbon nitride thin films prepared by reactive sputtering. The aim of this study is elucidation of the origin of the deformation. As a result of spectroscopic measurement, an existence of C=N bonding structure is the most important for the deformaion. In addition, the deformation of amorphous carbon nitride films primarily induced by photon energy directly. Macroscopic deformation was observed in carbon nitride deposited on polymer films. Finally, we prototyped a light-driven pump with a diaphragm of amorphous carbon nitride film on quartz and polymer films. Pumping motion according to on/off of the visible light was observed.

Free Research Field

光機能材料