Synthesis, Characterization of La(III), Nd(III), and Er(III) Complexes with Schiff Bases Derived from Benzopyran-4-one and Thier Fluorescence Study

<table>Emission spectra of L<sup>3</sup> and its neodymium and erbium complexes in DMF (<svg height="15.9" id="M78" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 55.450001 15.9" width="55.450001" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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q0 -76 10 -138.5t37 -107.5t69 -45q32 0 55.5 25t35.5 68.5t17.5 91.5t5.5 105t-5.5 105.5t-18 92t-36 68t-56.5 24.5z" id="x30"></path></g>
<g transform="matrix(.012,0,0,-.012,42.075,7.475)"><path d="M535 230h-483v50h483v-50z" id="x2212"></path></g><g transform="matrix(.012,0,0,-.012,49.06,7.475)"><path d="M447 623l8 -12l-283 -613l-74 -10l-7 11q174 283 297 551h-216q-48 0 -62.5 -12t-33.5 -63h-29q10 60 18 148h382z" id="x37"></path></g>
</svg> mol L<sup>−1</sup>)</table>

International Journal of Inorganic Chemistry

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Figure 4

Figure 4: Synthesis, Characterization of La(III), Nd(III), and Er(III) Complexes with Schiff Bases Derived from Benzopyran-4-one and Thier Fluorescence Study 

Figure 4 | Synthesis, Characterization of La(III), Nd(III), and Er(III) Complexes with Schiff Bases Derived from Benzopyran-4-one and Thier Fluorescence Study 