Rhodamine B–Naphthylthiosemicarbazide Derivative Based Optical Chemosensor for Copper(II) ion

Content Provider	Semantic Scholar
Author	Watchasit, Sarayut Suksai, Chomchai
Copyright Year	2017
Abstract	A new rhodamine B derivertive -based optical chemosensor L1 was synthesized for the detection of Cu 2+ ion in 5% H 2 O/CH 3 CN solution. It was found that in the presence of Cu 2+ the color solution of L1 was changed from colorless to purple. This is due to the formation of spirolactam ring opening process which induced by Cu 2+ . Moreover, Cu 2+ can enhance the fluorescence intensity at 579 nm through the energy transfer respect to the FRET process. The complex formation constant was calculated to be 4.6 × 10 3 M -1 . The analytical detection limit of Cu 2+ using this method is 0.18 ppm. Keywords : optical chemosensor, rhodamine B derivative, copper (II), thiosemicarbazide
Starting Page	37
Ending Page	53
Page Count	17
File Format	PDF HTM / HTML
Volume Number	22
Alternate Webpage(s)	http://science.buu.ac.th/ojs246/index.php/sci/article/download/1691/1586
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article