Issue 2, 2013
From the journal:

Photochemical & Photobiological Sciences

Emission enhancement of a carbazole-based fluorophore on a quantum dot surface†

Puran Kumar De*a  and  Douglas C. Neckersa  

* Corresponding authors

a Center for Photochemical Sciences, Bowling Green State University, Bowling Green, OH, USA
E-mail: pde@bgsu.edu
Tel: +1 4193727830

Abstract

A novel carbazole-based fluorophore 5-(carbazol-9-yl)-5′-mercapto-2,2′-bithiophene (CBTSH) was synthesized. CBTSH exhibited emission enhancement when attached to the surface of CdSe quantum dots (QDs). The emission quantum yield of CBTSH attached to CdSe is almost 5 times larger than that of CBTSH alone. The emission enhancement of CBTSH on the CdSe surface is due to the restriction on the rotational and vibrational motions of the carbazolylbithienyl unit as a result of QD aggregation.

Graphical abstract: Emission enhancement of a carbazole-based fluorophore on a quantum dot surface

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Article information

DOI
https://doi.org/10.1039/C2PP25281C
Article type
Paper
Submitted
07 Aug 2012
Accepted
28 Sep 2012
First published
02 Oct 2012

Photochem. Photobiol. Sci., 2013,12, 363-368

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Emission enhancement of a carbazole-based fluorophore on a quantum dot surface

P. Kumar De and D. C. Neckers, Photochem. Photobiol. Sci., 2013, 12, 363 DOI: 10.1039/C2PP25281C

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