Krishna, Anuj and Vijayan, N. and Bagdia, Chandan and Thukral, Kanika and Sonia, Ms and Haranath, D. and Maurya, K. K. and Bhagavannarayana, G. (2016) Effect of ampoule support on the growth of organic benzimidazole single crystals by vertical Bridgman technique for nonlinear optical applications. CrystEngComm, 18 (25). 4844-4850 . ISSN 1466-8033

PDF - Published Version Restricted to Registered users only Download (4Mb) | Request a copy

Abstract

Benzimidazole single crystals were grown using a vertical Bridgman technique with modified ampoule design. The thermal fluctuations during the melt were effectively controlled by the glass ampoule support which was filled with alumina wool in order to maintain a proper temperature gradient throughout the growth process. The unit cell dimensions of the grown crystals were assessed using powder X-ray diffraction technique. Comparative analyses have been carried out for both the crystals which were grown using a conventional ampoule and using the ampoule with support, via high resolution X-ray diffraction and it was found that there was a significant enhancement in crystalline perfection for the crystal which was grown using the ampoule with support. Further, optical transmission and photoluminescence studies on the grown crystals were carried out using UV-vis and photoluminescence spectroscopy and it was observed that there was a noticeable variation in the optical transmission and luminescence results.

Item Type:	Article
Additional Information:	Copyright for this article belongs to M/s Royal Society of Chemistry.
Subjects:	Chemistry Crystallography
Divisions:	UNSPECIFIED
Depositing User:	Dr. Rajpal Walke
Date Deposited:	17 Nov 2017 10:42
Last Modified:	17 Nov 2017 10:42
URI:	http://npl.csircentral.net/id/eprint/2190

Actions (login required)

View Item