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Daniela M. Topasna
Department of Physics and Astronomy, Virginia Military Institute, Lexington, VA 24450, USA

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Journal article
Published: 26 December 2019 in Coatings
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There are numerous applications for thin films based chemical pH sensors, in such areas as biomedical, military, environmental, food, and consumer products. pH sensitive films fabricated through the ionic self-assembled monolayers technique were made of polyelectrolyte polyallylamine hydrochloride and the water-soluble organic dye molecule Direct Yellow 4. The films were monitored in various environmental conditions and for selected periods, at temperatures varying between −13.7 and 46.2 °C. Absorbance measurements and atomic force microscopy performed before and after thermal treatment indicate that for optimized thickness and composition the films maintain their functionality and are not affected by long-term exposure at these temperatures.

ACS Style

Daniela M. Topasna; Gregory A. Topasna. Response of Optically Transparent pH Sensing Films to Temperature and Temperature Variations. Coatings 2019, 10, 18 .

AMA Style

Daniela M. Topasna, Gregory A. Topasna. Response of Optically Transparent pH Sensing Films to Temperature and Temperature Variations. Coatings. 2019; 10 (1):18.

Chicago/Turabian Style

Daniela M. Topasna; Gregory A. Topasna. 2019. "Response of Optically Transparent pH Sensing Films to Temperature and Temperature Variations." Coatings 10, no. 1: 18.