caa a22 4500 463212231 CHVBK 20180405153145.0 cr unu---uuuuu 170326e20070801xx s 000 0 eng 10.1007/s00339-007-3928-6 doi (NATIONALLICENCE)springer-10.1007/s00339-007-3928-6 The absorption band at 1.128eV of copper phthalocyanine films [Elektronische Daten] [M. Ohmukai, H. Kubota, Y. Tsutsumi] We deposited copper phthalocyanine (CuPc) films on (100) silicon wafers by means of a vacuum evaporation method and investigated the absorption characteristics by means of photoacoustic (PA) spectroscopy. It was verified that we excluded the PA signal originated in the silicon substrate with the chopping frequency of 200Hz when the thickness of the CuPc film was 4.4μm. We then detected an absorption band at 1.128eV (1.1μm). This band is possibly related to the charge transfer between Cu atoms and adsorbed oxygen molecules. Springer-Verlag, 2007 Ohmukai M. Department of Electrical Engineering, Akashi College of Technology, 674-8501, Akashi, Hyogo, Japan aut Kubota H. Department of Electrical Engineering, Akashi College of Technology, 674-8501, Akashi, Hyogo, Japan aut Tsutsumi Y. Department of Electrical Engineering, Akashi College of Technology, 674-8501, Akashi, Hyogo, Japan aut Applied Physics A Springer-Verlag 88/2(2007-08-01), 315-317 0947-8396 88:2<315 2007 88 339 https://doi.org/10.1007/s00339-007-3928-6 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s00339-007-3928-6 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Ohmukai M. Department of Electrical Engineering, Akashi College of Technology, 674-8501, Akashi, Hyogo, Japan aut NATIONALLICENCE 700 1- Kubota H. Department of Electrical Engineering, Akashi College of Technology, 674-8501, Akashi, Hyogo, Japan aut NATIONALLICENCE 700 1- Tsutsumi Y. Department of Electrical Engineering, Akashi College of Technology, 674-8501, Akashi, Hyogo, Japan aut NATIONALLICENCE 773 0- Applied Physics A Springer-Verlag 88/2(2007-08-01), 315-317 0947-8396 88:2<315 2007 88 339 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer