Figures & data
Figure 2 PEI-As2O3/MZF as seen by TEM (A) and SEM (B).
Abbreviations: PEI, polyethyleneimine;TEM, transmission electron microscopy; SEM, scanning electron microscopy.
![Figure 2 PEI-As2O3/MZF as seen by TEM (A) and SEM (B).Abbreviations: PEI, polyethyleneimine;TEM, transmission electron microscopy; SEM, scanning electron microscopy.](/cms/asset/0337a11d-4eb6-4a66-a1af-7a3bc88e0cc6/dijn_a_16485_f0002_b.jpg)
Figure 3 FTIR of PEI-As2O3/MZF: the top curve is As2O3/MZF and the bottom is PEI-As2O3/MZF.
Abbreviations: FTIR, Fourier transform infrared spectroscopy; PEI, polyethyleneimine.
![Figure 3 FTIR of PEI-As2O3/MZF: the top curve is As2O3/MZF and the bottom is PEI-As2O3/MZF.Abbreviations: FTIR, Fourier transform infrared spectroscopy; PEI, polyethyleneimine.](/cms/asset/6894667e-0da9-4b45-afc9-1de696d60f8a/dijn_a_16485_f0003_b.jpg)