Studies on BaO particles in nanosize regime

Mahamuni, S and Bendre, BS and Baruah, T and Kshirsagar, A and Joshi, SS and Bedekar, AG and Patil, SF and Singh, P and Maiti, K and Sarma, DD (1996) Studies on BaO particles in nanosize regime. In: Nanostructured Materials, 7 (5). 557-564 .

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Abstract

Barium oxide nanosize particles were prepared using the wet chemical route. Various capping agents were used to arrest the growth. X-ray diffraction studies reveal particle size as low as 9 Angstrom in diameter, which is close to the Bohr exciton radius of BaO. However, changes in the optical absorption features arising from the confinement effect in the nanosize regime were not observed. These results were confirmed by fluorescence measurements. The calculations based on effective mass approximations indicate that the quantum confinement effects are not significant for particle sizes as small as 15 Angstrom.

Item Type:	Journal Article
Publication:	Nanostructured Materials
Publisher:	Elsevier Science
Additional Information:	Copyright of this article belongs to Elsevier Science.
Department/Centre:	Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited:	13 May 2011 06:26
Last Modified:	13 May 2011 06:26
URI:	http://eprints.iisc.ac.in/id/eprint/37595

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