Phthalocyanine is a basic synthetic organic molecule used in electronics including gas sensors and photovoltaics. The molecular orientation of the copper Phthalocyanine (CuPc) molecule in thin films is examined on gold surfaces with different thicknesses ranging from 0 nm to 30 nm. CuPc powder is sublimated when thin films are heated to 160°C. X-ray diffraction (XRD) and atomic force microscopy (AFM) are used to analyze the thin films. CuPc has two main XRD peaks, CuPc(200) and CuPc(313), which occur when the molecules are in the standing or lying orientation, respectively. The XRD spectrum has a CuPc(200) peak for each sample. The roughness of gold before CuPc powder sublimation is 0.3 nm, which is less than the size of the CuPc molecule, 1.3 nm, so CuPc molecules should have a CuPc(313) peak according to previous literature. CuPc's grain size is determined to be 204 nm from the Height-Height Correlation Function R code.
|Commitee:||Jaikumar, Prashanth, Kwon, Chuhee|
|School:||California State University, Long Beach|
|Department:||Physics and Astronomy|
|School Location:||United States -- California|
|Source:||MAI 58/05M(E), Masters Abstracts International|
|Subjects:||Physics, Condensed matter physics, Materials science|
|Keywords:||Film, Gold, Phthalocyanine, Roughness, Thin, Xrd|
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