[19p-P4-1~15] 6.2 Carbon-based thin films

[19p-P4-2] Observation of Photoconductivity in Graphitic Carbon Nitride Films (II)

〇(B)Hiroaki Aoyama¹, Kazushi Yasuda¹, Hitoe Habuchi¹, Hirofumi Takikawa² (1.Natl. Inst. Technol., Gifu Coll., 2.Toyohashi Univ. Technol.)

Keywords:thin film, carbon nitride, semiconductor

Photocatalytic properties of graphitic carbon film have been reported. It has a bandgap of about 2.8 eV. The film can be applied to a semiconductor material by preparing it. The graphitic carbon films were prepared by evaporating guanidine carbonate as a source at several temperatures. Photoconductivity was observed with irradiating monochromatic light. The spectra of photosensitivity coincide with those of optical absorption.