Journal
JOURNAL OF LUMINESCENCE
Volume 131, Issue 1, Pages 104-108Publisher
ELSEVIER
DOI: 10.1016/j.jlumin.2010.09.021
Keywords
Chemodosimeter; Amplified fluorescence; Rhodamine 101 hydrazide; Redox hydrolysis
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Funding
- Scientific Research Foundation for the Returned Overseas Chinese Scholars State Education Ministry of People s Republic of China [2009(08), 2008(890)]
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A new chemodosimeter based on the spirolactam form of rhodamine 101 hydrazide (I) has been synthesized This chemodosimeter is found to exhibit an irreversible colorimetric and fluorogenic response toward Cu2+ in aqueous solution in a highly selective sensitive and rapid manner The dominating fluorescence maximum is red-shifted to 600 nm Such a red region is reported uniquely among the rhodamine chemodosimeters on Cu2+ The colorimetric and fluorogenic response of I toward Cu2+ is proposed to be attributed to Cu2+-promoted redox hydrolysis of I (c) 2010 Elsevier B V All rights reserved
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