Marked Difference in the Reaction Rate of an Azobenzene-based Photochromic Amorphous Molecular Material between Films Prepared by Vacuum Deposition and Spin Coating
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A marked difference in the reaction rate of an azobenzene-based photochromic amorphous molecular material between films prepared by vacuum deposition and spin coating was found, the rate for the vacuum-deposited film being significantly faster compared to spin-coated amorphous film; this result indicates that the microstructures of amorphous films prepared by the above two methods are different from each other, suggesting that the local free volume of the vacuum-deposited film is smaller than that of the spin-coated film.
- Chemistry Letters
Chemistry Letters 35(10), 1160-1161, 2006-10-05
The Chemical Society of Japan