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Correction: Acridinedione as selective flouride ion chemosensor: a detailed spectroscopic and quantum mechanical investigation

Nafees Iqbala, Syed Abid Alia, Iqra Munira, Saima Khanb, Khurshid Ayubb, Mariya al-Rashidac, Muhammad Islamd, Zahid Shafiqdg, Ralf Ludwigef and Abdul Hameed*a
aH. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi-75270, Pakistan. E-mail: abdul_hameed8@hotmail.com; Fax: +92-21-3481901; Tel: +92-21-99261701-2
bDepartment of Chemistry, COMSATS Institute of Information Technology, Abbottabad, KPK, Pakistan 22060
cDepartment of Chemistry, Forman Christian College, A Chartered University, Ferozepur Road, Lahore, Pakistan
dInstitute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan
eLeibniz-Institut für Katalyse e. V. an der Universität Rostock, Albert-Einstein-Str. 29a, 18059 Rostock, Germany
fDepartment of Physical Chemistry, University of Rostock, Dr.-Lorenz-Weg 1, 18059 Rostock, Germany
gDepartment of Chemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan

Received 9th January 2020 , Accepted 9th January 2020

First published on 23rd January 2020


Abstract

Correction for ‘Acridinedione as selective flouride ion chemosensor: a detailed spectroscopic and quantum mechanical investigation’ by Nafees Iqbal et al., RSC Adv., 2018, 8, 1993–2003.


The authors regret that the interpretation of the fluorescence spectra of compound 7i published in the original article was incorrect. In the original article, it was reported that upon excitation at 380 nm, the fluorescence spectrum of compound 7i showed two emission bands at 450 nm and 770 nm (Fig. 5b of the original article). The signal at 770 nm (previously reported as an emission band), is instead a second order diffraction (an artefact of diffraction grating/spectrofluorometer monochromator), as revealed from the literature.1,2 The authors thank a reader for highlighting this mistake.

The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.

References

  1. D. Tan, K. Sharafudeen, S. Zhou and J. Qiu, Nanoscale, 2012, 4, 6664 RSC.
  2. J. R. Lakowicz, Principles of Fluorescence Spectroscopy, Springer, Berlin, 2006, p. 37 Search PubMed.

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