Donor−Acceptor 9-Uncapped Fluorenes and Fluorenones as Stable Blue Light Emitters,

Goel, Atul ; Chaurasia, Sumit ; Dixit, Manish ; Kumar, Vijay ; Prakash, Sattey ; Jena, Bijayalaxmi ; Verma, Jai K. ; Jain, Mayank ; Anand, R. S. ; Manoharan, S. Sundar (2009) Donor−Acceptor 9-Uncapped Fluorenes and Fluorenones as Stable Blue Light Emitters, Organic Letters, 11 (6). pp. 1289-1292. ISSN 1523-7060

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Official URL: http://doi.org/10.1021/ol9000679

Related URL: http://dx.doi.org/10.1021/ol9000679

Abstract

The “green emission defect” (GED) produced by fluorenones has significantly retarded the commercial scope of fluorene-based B-OLEDs. In this paper, for the first time, it is demonstrated that the “green light” emitting fluorenones 7 can be converted to “blue light” emitting fluorenones 10 by appropriate positioning of donor−acceptor and chromophoric groups onto the fluorene/fluorenone backbone. Additionally, we report an elegant highly rapid synthetic route for donor−acceptor fluorenes and fluorenones at room temperature with excellent yields.

Item Type:Article
Source:Copyright of this article belongs to American Chemical Society.
ID Code:117935
Deposited On:06 May 2021 09:38
Last Modified:06 May 2021 09:38

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