Research / 2019 / Article / Fig 4

Research Article

A Binary Supramolecular Assembly with Intense Fluorescence Emission, High pH Stability, and Cation Selectivity: Supramolecular Assembly-Induced Emission Materials

Figure 4

Coordination effect between DSP5 and Fe3+. (a) C1s, (b) O1s, and (c) S2p regions of XPS spectra of DSP5 before (up) and after (down) the addition of Fe3+, and (d) Fe2p regions of XPS spectrum of DSP5+Fe3+ powder. (e) Solid-state CP-MAS 13C NMR characterization of DSP5 and DSP5 + Fe3+ powder.

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