Issue 17, 2016

Synthesis and optoelectronic properties of chemically modified bi-fluorenylidenes

Abstract

The development of new light harvesting materials is a key issue for the progress of the research on organic & hybrid photovoltaics. Here, we report a new class of organic sensitizers based on the bi-fluorenylidene moiety as π-linker within the donor–π-linker–acceptor (D–π–A) scheme. The new dyes are endowed with electron donor and electron acceptor units at strategic positions in order to improve their electronic and light-harvesting properties. The comprehensive study of these compounds through the use of different experimental and theoretical techniques, provides an in-depth understanding of their electronic and photophysical properties, and reveal their interest as photovoltaic materials.

Graphical abstract: Synthesis and optoelectronic properties of chemically modified bi-fluorenylidenes

Supplementary files

Article information

Article type
Paper
Submitted
26 Okt. 2015
Accepted
08 Dec. 2015
First published
09 Dec. 2015

J. Mater. Chem. C, 2016,4, 3798-3808

Author version available

Synthesis and optoelectronic properties of chemically modified bi-fluorenylidenes

M. Wielopolski, M. Marszalek, F. G. Brunetti, D. Joly, J. Calbo, J. Aragó, Jacques-E. Moser, R. Humphry-Baker, S. M. Zakeeruddin, J. L. Delgado, M. Grätzel, E. Ortí and N. Martín, J. Mater. Chem. C, 2016, 4, 3798 DOI: 10.1039/C5TC03501E

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