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The Chemical Educator

ISSN: 1430-4171 (electronic version)

Table of Contents

Abstract Volume 18 (2013) pp 021-023
DOI 10.1007/s00897132459a

Fluorescence Quenching by Resonant Energy Transfer

Bradly B. Baer, Kenneth A. Martin, and Allan M. Nishimura*,†

Chemistry Department, Westmont College, Santa Barbara, CA 93108,; Chemistry Department, Point Loma Nazarene University, San Diego, CA 92106 Received July 14, 2012. Accepted December 10, 2012.

Published: 1 Febuary 2013

Abstract. Due to dispersion forces, many aromatic molecules in concentrated solutions form complexes, particularly if they are electronically excited. In this physical chemistry experiment, the student is introduced to resonance energy transfer (RET) and the accompanying quenching that is observed for the donor molecule.

Key Words: Laboratories and Demonstrations; physical chemistry; fluorescence; fluorenone; quenching; energy transfer; RET; naphthalene; 2-methoxynaphthalene; fluorine; spectroscopy

(*) Corresponding author. (E-mail:

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