Abstract
Two nondestructive and complementary spectral methods as infrared and Raman spectroscopies have been used for characterizations of poly(propylene amine) dendrimers comprising 1,8-naphthalimide units in the dendrimer periphery and their metal complexes with Cu2+ at Zn2+ ions.
Highlights
Poly(propylene amine) (PPA) is a new class of commercial dendrimers possessing tertiary amino groups in the core and terminal primary amino groups in the dendrimer periphery [1]
We have extensively studied the dendrimer modifications with 1,8naphthalimides in response to the needs of vanguard sensors for preventing environment pollution [2,3,4,5,6,7]
Are used for identification and characterization of dendrimers [8]. Some of these methods used for studying the vibrations of atoms in dendrimer molecules are infrared and Raman spectroscopies. The difference between both of spectral methods lies in the fact that while in infrared spectroscopy are important oscillations, changing dipole moment, in the Raman spectroscopy is characteristic the change of polarizability of molecules
Summary
Poly(propylene amine) (PPA) is a new class of commercial dendrimers possessing tertiary amino groups in the core and terminal primary amino groups in the dendrimer periphery [1]. Some of these methods used for studying the vibrations of atoms in dendrimer molecules are infrared and Raman spectroscopies. In this paper we present Raman and infrared spectral analyses on Zn (II) and Cu (II) halide complexes of poly(propylene amine) dendrimers of first and second generations, comprising 1,8-naphthalimide units in the dendrimer periphery.
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