NDLI: Effect of transition metal elements on the structural and optical properties of ZnO nanoparticles

Content Provider	Springer Nature Link
Author	YOUSEFI, RAMIN
Copyright Year	2016
Abstract	Undoped and transition metal (TM)-doped ZnO nanoparticles (Zn$_{0.98}$X$_{0.02}$O-NPs, X = Mn, Cr, Co and Fe) were synthesized from a metal nitrate precursor and gelatin by a sol–gel method. The compounds were synthesized at calcination temperatures of 550$^{∘}$C for 6 h. The synthesized undoped/doped ZnO-NPs were characterized by X-ray diffraction analysis (XRD) and scanning electron microscopy (SEM). XRD results indicated that the sample products were crystalline with a hexagonal wurtzite phase. SEM images showed the ZnO-NPs nearly spherical shapes and a non-uniform shape for doped ZnO-NPs. The crystalline development in the ZnO-NPs was investigated by X-ray peak broadening. The size–strain plot (SSP) method was used to study the individual contributions of crystallite sizes and lattice strain of the undoped and doped ZnO-NPs. The obtained results showed that strain of the NPs plays an important role in peak broadening; moreover, the mean crystalline size of the undoped and doped ZnO-NPs estimated from the SEM and the SSP method was highly inter-correlated. Finally, optical properties of the samples were studied by a UV–Vis spectrometer.
Starting Page	719
Ending Page	724
Page Count	6
File Format	PDF
ISSN	02504707
Journal	Bulletin of Materials Science
Volume Number	39
Issue Number	3
e-ISSN	09737669
Language	English
Publisher	Indian Academy of Sciences
Publisher Date	2016-06-08
Publisher Institution	Indian Academy of Sciences
Publisher Place	Bangalore, India
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	TM-doped ZnO-NPs sol–gel method size–strain method optical properties. Materials Science Engineering
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Materials Science

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