Effects of Heavy Atom Perturber and Organic Solvent on Non-protected Room Temperature Phosphorescence of α-Naphthalenyloxyacetic Acid

Abstract

Abstract: A strong and stableroom tempera ture phospho rescence(RTP)signal of α-naph-thalenyloxyacetic acid(α-NOA)aqueous solution can be induced on ly by using Na₂SO₃ as de-oxidizer and KI(or TlNO₃)as heavy a tomperturber. The maximum phospho rescence in ten-sity wavelengths a reλ_exλ_em=287/495, 521nm(orλ_exλ_em=297/494,521nm)when KI(or TlNO₃)a s heavy a tomperturber. Though the RTP signal is lower with KI as heavy a tomperturber than that with TlNO₃,but the analy tical cha racteristics of the former is better than that of the latter. The kind and amount of organic solvent added to the system have a strong effect on the RTP intensity,irradiating time required to acquire stable RTP signal and the choice of heavy a tomperturber.

Key words: α-Naphthalenyloxyacetic acid, Non-protected room temperature phosphores-cence, Effect of organic solvent, Choice of heavy atom perturber

CLC Number:

O657.3

TrendMD:

CHEN Xiao-Kang, MOU Lan, LI Long-Di . Effects of Heavy Atom Perturber and Organic Solvent on Non-protected Room Temperature Phosphorescence of α-Naphthalenyloxyacetic Acid[J]. Chem. J. Chinese Universities, 1999, 20(7): 1052.

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Effects of Heavy Atom Perturber and Organic Solvent on Non-protected Room Temperature Phosphorescence of α-Naphthalenyloxyacetic Acid

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