Advances in Molecular Electronics: a brief Review

Transmission Electron Microscopy 
The tunneling of electrons through the potential barrier of ETO-
NP provides the topography (quantitative analysis of particle and 
size and 2-dimensional shapes [29,30].) information of the sample 
powder. It is evident from the TEM image (Figure 2) that the 
ETO-NPs are non-uniform in size and shape in the range from 60 
to 66 nm, further crystalline nature of the ETO-NPs, confirmed 
with the help of the SAED pattern. 
Figure 2:
 TEM images of ETO-NPs with different magnifications. 
EDX 
The Energy dispersive X-ray analysis
 (
EDX) spectrum allows the 
quantitative analysis of major elements present in the 
synthesized sample. ( Figure 3) shows the EDAX spectrum of 
samples containing ETO-NPs, in this spectrum, stoichiometric 
concentration of Erbium (Er) and oxygen (O) absorption was 
strongly observed at (1.5 and 7 KeV) and (0.5 KeV) respectively. 
Additionally, the Er element reveals a uniform distribution among 
the other elements, predicting that the Erbium element is 
homogeneously incorporated into ETO- NPs. 
Figure 3:
 The EDAX pattern of ETO-NPs. 
FTIR Analysis of ETO-Nps 
FTIR spectrum of ETO-NP is shown in (Figure 4). The 
vibrational broadband at the point of 3424 cm
-1
and 2976 cm
-1
are 
due to OH stretching or vibrations of water molecules. The band 
that can be observed at 1647 cm
-1
is due to Amide (C=N 
stretching of open chain compound) or NH2 (helical structure) of 
Urea compound. 1593 cm
-1
is related to CO stretching vibration 
and 1459 cm
-1
is related to bending mode of CH2/ CH3 or 
symmetrical deformation of N=O. This peak at 1311 cm
-1
indicated the stretching of the C=O group arises due to the urea 
compound [31] which was added during the synthesis process. 
The fingerprint region of core element Erbium shows the 
absorption at 563 cm
-1
and 471 cm
-1
with groups Er-O-Er and Er-
O respectively [32]. These two major groups confirmed the 
occurrence of ETO-NPs in the sample. 
Figure 4:
 FTIR spectrum of Erbium oxide (Er
2
O
3
). 

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Citation:
Gopal S Iruson B Balaraman S Krishnmoorthy S and Elayaperumal M. (2021) Structural and Evaluations of Rare Earth Erbium Try Oxide 
Nanoparticles and Their Health Impacts on Workers. Global J Mater Sci Eng 3(3): 123 DOI: 
https://doi.org/10.36266/GJMSE/123
 
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Global J Mater Sci Eng