Spectral and Photochromic Study of Spiropyran

被引：3
|
作者：
Nordin, Rumaisa [1 ]
Lazim, Azwani Mat [1 ]
Hasbullah, Siti Aishah [1 ]
机构：
[1] Univ Kebangsaan Malaysia, Fac Sci & Technol, Sch Chem Sci & Food Technol, Ukm Bangi 43600, Selangor Darul, Malaysia
来源：
2013 UKM FST POSTGRADUATE COLLOQUIUM | 2013年 / 1571卷
关键词：
spiropyran; photochromic;
D O I：
10.1063/1.4858756
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A new class of benzospiropyran has been synthesized by the condensation of the precursor, Fisher base-spiropyran with substituted salicyaldehydes in 1:1 mole ratios. This photochromic compound, spiro [2H-1-benzopyran-2, 2'-(8'-hydroxy-1', 3', 3'-trimethylindoline)] was able to undergo convertion into its merocyanine form (colored) after being induced by irradiation of UV light. Both open and closed form of benzospiropyran were characterized and distinguished based on Infrared vibracional spectroscopy in Attenuated Total Reflexion mode (ATR) and UV-vis spectroscopy. In addition, association of ten different metal ions to ethanol solution of SP (A) leads to metal-ion binding by the MC isomer. The coupled reaction of all metal ions, MC-M2+ underwent a hypsochromic and bathochromic shift in the absorption bands.
引用
收藏
页码：817 / 821
页数：5
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