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Influence of laser‐induced heating on MnO nanoparticles
Author(s) -
Hadžić B.,
Vasić B.,
Matović B.,
KuryliszynKudelska I.,
Dobrowolski W.,
Romčević M.,
Romčević N.
Publication year - 2018
Publication title -
journal of raman spectroscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.748
H-Index - 110
eISSN - 1097-4555
pISSN - 0377-0486
DOI - 10.1002/jrs.5358
Subject(s) - diffraction , raman spectroscopy , laser , raman scattering , materials science , phase (matter) , nanoparticle , irradiation , analytical chemistry (journal) , x ray crystallography , chemistry , nanotechnology , optics , physics , organic chemistry , chromatography , nuclear physics
The phase changes of MnO nanoparticles under laser‐induced heating have been studied. Previous confirmation of the existence of MnO phase was based on the X‐ray diffraction measurements. Here, we report the experimental spectra of nonresonant Raman scattering in the range between 100 and 1,600 cm −1 , for a sample irradiated with 8 different laser powers. The laser‐induced heating has produced change in existing phases in sample, destruction of MnO phase, and creation of MnO 2 , Mn 3 O 4 , and MnOOH phases along with formation of Mn 2+ on the sample surface. These phase changes have been confirmed by X‐ray diffraction and atomic force microscopy measurements.