Spectral Properties of a pH Responsive Water Soluble Spironaphthoxazine and Its Multi-Switching Property

BAE, JIN SEOK (배진석); KIM SUNG HOON (김성훈)

Spectral Properties of a pH Responsive Water Soluble Spironaphthoxazine and Its Multi-Switching Property

Textile Coloration and Finishing
Abbr : Text. Color. and Finish.
2013, 25(1), pp.18-24
Publisher : The Korean Society Of Dyers And Finishers
Research Area : Engineering > Fiber Engineering > Dyeing Engineering

BAE, JIN SEOK ¹, KIM SUNG HOON ¹

¹경북대학교

Accredited

ABSTRACT

A water soluble spironaphthoxazine (SPO) was synthesized, and its spectral properties were determined. Under UV irradiation, colorless SPO shows intensive blue color while the intensity of its initial fluorescence decreased. In addition, SPO also exhibited high sensitivity to pH stimuli both in colorimetry and fluorometry distinguishing from the spectral appearance observed under UV irradiation. Further, integrating these two optical characteristics a three-state switching system can be established, and all interconversions can be observed by naked-eye.

KEYWORDS

water soluble spironaphthoxazine, colorimetric, fluorometric, pH stimulation, multi-switching

Citation status

* References for papers published after 2023 are currently being built.

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This paper was written with support from the National Research Foundation of Korea.

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