6-Hydroxyquinoline Oligomers Emit White Light

Author

Fatih Dogan, Missouri University of Science and TechnologyFollow
Ali Bilici
Mehmet Ercengiz Yildirim
Ismet Kaya

Abstract

The 6-hyroxyquinoline (HQ) was shown to undergo an oxidative oligomerization reaction in the alkaline medium. The obtained oligo (6-hyroxyquinoline) (OHQ) was characterized with respect to chemical composition, molecular weight, particle size, thermal stability, morphology and conductivity. FT-IR and ¹H-NMR spectral data suggested that the resulting product was mainly C2, C4 and C6-coupled via C-C/C-O-C linkages. OHQ emitted white light upon irradiated at 339 nm. Optical band gap (E_g) of OHQ was determined to be 2.78 eV. The isolated product was amorphous and soluble in common polar organic solvents. The solid state conductivity studies for OHQ were also performed and found to be in the region of semiconductor.

Recommended Citation

F. Dogan et al., "6-Hydroxyquinoline Oligomers Emit White Light," Science of Advanced Materials, vol. 6, no. 9, pp. 1957 - 1964, American Scientific Publishers, Sep 2014.

The definitive version is available at https://doi.org/10.1166/sam.2014.1968

Department(s)

Materials Science and Engineering

Keywords and Phrases

Conjugated polymer; Oligoquinoline; Oxidative polycondensation; Photoluminescence; White light emission

International Standard Serial Number (ISSN)

1947-2935

Document Type

Article - Journal

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2014 American Scientific Publishers, All rights reserved.

Publication Date

01 Sep 2014