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Preparation and characterization of bismuth germanium oxide (BGO) polymer composites

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2017
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Authors
Brajović, Ljiljana
Stojanović, Dušica B.
Mihailović, Pedja
Marković, Smilja
Romcević, Maja
Mitrić, Miodrag N.
Lazović, Vladimir
Dramlić, Dragan
Petricević, Slobodan
Romcević, Nebojsa
Article (Published version)
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Abstract
Bismuth germanium oxide Bi12GeO20 (BGO) has very interesting electrical, optical and magnetic properties. In order to make devices based on this material more flexible, its powder was used for preparing polymer composites. This study reports investigation of the effects of using different solvents and polymers in preparation of BGO composite on the microstructural and optical behaviour of the resulting material. Preparation of such composites by a solution casting method is described. Poly (methyl methacrylate) (PMMA) and polystyrene (PS)) were used as matrix materials and acetone and chloroform as solvents. Their microstructure and the quality of BGO dispersion and deaggregation in polymer matrix were analyzed by SEM, Raman, XRD and optical spectroscopy. The influence of particle size distribution, their shapes, and concentration on the optical transmission is calculated based on Mie scattering theory and discussed, too.
Keywords:
Composite materials / Polymer / Elastic scattering / Optical properties / Optical spectroscopy
Source:
Journal of Alloys and Compounds, 2017, 695, 841-849
Publisher:
  • Elsevier Ltd
Projects:
  • Predefined functional properties polymer composite materials processes and equipment development (RS-34011)
  • Optoelectronics nanodimension systems - the rout towards applications (RS-45003)

DOI: 10.1016/j.jallcom.2016.10.140

ISSN: 0925-8388

WoS: 000391817600101

Scopus: 2-s2.0-85005915340
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URI
http://grafar.grf.bg.ac.rs/handle/123456789/853
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