Abstract
The surface pressure versus area isotherm of a Langmuir film of ytterbium bisphthalocyanine on water subphases of pH 2.1 to 9.2 has been investigated and an average area per molecule of 70 AA2 measured. The monolayer was found to collapse at a rate of 29%/hour. A dipping regime has been established for the deposition of Langmuir-Blodgett films with transfer ratios of unity. These deposited films were found to be electrochromic and their spectra are discussed.
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