Nanorod growth of copper phthalocyanine on fluorinated phosphonic acid SAM-modified indium tin oxide substrate for organic photovoltaic devices

CuPc nanorod growth was investigated on ITO substrates with and without 1H,1H,2H,2H-perfluoro-noctylphosphonic acid (FOPA) SAM modification, using vapor phase deposition, through the control of the temperature and surface energy of ITO substrates. At a substrate temperature of 200°C, copper phthaloc...

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Bibliographic Details
Published inMolecular Crystals and Liquid Crystals Vol. 653; no. 1; pp. 157 - 163
Main Authors Koshiba, Yasuko, Ohnishi, Toshiki, Morimoto, Masahiro, Misaki, Masahiro, Fukushima, Tatsuya, Ishida, Kenji
Format Journal Article
LanguageEnglish
Published Philadelphia Taylor & Francis 13.08.2017
Taylor & Francis Ltd
Subjects
Acids
Copper
Fluorinated phosphonic acid
Fluorination
Indium tin oxides
nanorod growth
Nanorods
organic photovoltaic
P-type semiconductors
Photovoltaic cells
Photovoltaics
Phthalocyanine
Solar cells
Substrates
Surface energy
Temperature
Thin films
Tin
vacuum vapor deposition
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Summary:CuPc nanorod growth was investigated on ITO substrates with and without 1H,1H,2H,2H-perfluoro-noctylphosphonic acid (FOPA) SAM modification, using vapor phase deposition, through the control of the temperature and surface energy of ITO substrates. At a substrate temperature of 200°C, copper phthalocyanine (CuPc) thin films that composed nanorods were prepared on both substrates. On FOPA-ITO, it was suggested that CuPc molecules were stacked with an edge-on orientation because of the dominant intermolecular π-π interaction through the decrease of surface energy of ITO with FOPA modification. Organic photovoltaic cells containing CuPc nanorods as a p-type semiconductor were fabricated and photovoltaic characteristics were observed.
ISSN:1542-1406
1563-5287
1527-1943
DOI:10.1080/15421406.2017.1351280