Highly Circularly Polarized Photoluminescence over a Broad Spectral Range from a Calamitic, Hole-Transporting, Chiral Nematic Glass and from an Indirectly Excited Dye

Woon, K.L. and O'Neill, M. and Richards, G.J. and Aldred, M.P. and Kelly, S.M. and Fox, A.M. (2003) Highly Circularly Polarized Photoluminescence over a Broad Spectral Range from a Calamitic, Hole-Transporting, Chiral Nematic Glass and from an Indirectly Excited Dye. Advanced Materials, 15 (18). pp. 1555-1558. ISSN 0935-9648

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/adma.20...

Abstract

A highly birefringent, luminescent chiral nematic liquid crystal is shown to have an extremely broad photonic stop band (see dashed line in Figure) overlapping its emission spectrum. Highly circularly polarized photoluminescence is observed from the liquid crystal itself and from an indirectly excited dye dopant. The liquid crystal is hole-transporting with a room-temperature mobility of 4 × 10–4 cm2 V–1 s–1.

Item Type: Article
Uncontrolled Keywords: Birefringence; Liquid crystals, chiral; Liquid crystals, nematic; Photoluminescence
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
Divisions: Faculty of Science > Dept of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 27 Feb 2015 01:37
Last Modified: 27 Feb 2015 01:37
URI: http://eprints.um.edu.my/id/eprint/12890

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