Dihydroazulene: from controlling photochromism to molecular electronics devices

Søren Lindbæk Broman; Mogens Brøndsted Nielsen

doi:10.1039/c4cp02442g

Dihydroazulene: from controlling photochromism to molecular electronics devices

Søren Lindbæk Broman, Mogens Brøndsted Nielsen

Department of Chemistry

59 Citations (Scopus)

Abstract

Recent synthetic advances allowing large-scale preparation and systematic functionalization of the dihydroazulene (DHA)-vinylheptafulvene (VHF) photo-/thermoswitch have enabled detailed studies on how to tune optical and switching properties and have paved the way for using this system as a functional unit in molecular electronics and materials chemistry. Since discovery of its photochromism in the 1980‘ies, numerous examples of DHA-VHF systems have been developed, allowing multimode switching, fluorescence-control and fine tuning of absorbance and VHF half-lives, giving insights into the mechanism of the switching event. Here, we present an overview of the properties of the DHA-VHF system, together with some selected synthetic procedures which have paved the way for its development.

Original language	English
Journal	Physical Chemistry Chemical Physics
Volume	16
Issue number	39
Pages (from-to)	21172-21182
Number of pages	11
ISSN	1463-9076
DOIs	https://doi.org/10.1039/c4cp02442g
Publication status	Published - 17 Sept 2014

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AU - Nielsen, Mogens Brøndsted

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N2 - Recent synthetic advances allowing large-scale preparation and systematic functionalization of the dihydroazulene (DHA)-vinylheptafulvene (VHF) photo-/thermoswitch have enabled detailed studies on how to tune optical and switching properties and have paved the way for using this system as a functional unit in molecular electronics and materials chemistry. Since discovery of its photochromism in the 1980‘ies, numerous examples of DHA-VHF systems have been developed, allowing multimode switching, fluorescence-control and fine tuning of absorbance and VHF half-lives, giving insights into the mechanism of the switching event. Here, we present an overview of the properties of the DHA-VHF system, together with some selected synthetic procedures which have paved the way for its development.

AB - Recent synthetic advances allowing large-scale preparation and systematic functionalization of the dihydroazulene (DHA)-vinylheptafulvene (VHF) photo-/thermoswitch have enabled detailed studies on how to tune optical and switching properties and have paved the way for using this system as a functional unit in molecular electronics and materials chemistry. Since discovery of its photochromism in the 1980‘ies, numerous examples of DHA-VHF systems have been developed, allowing multimode switching, fluorescence-control and fine tuning of absorbance and VHF half-lives, giving insights into the mechanism of the switching event. Here, we present an overview of the properties of the DHA-VHF system, together with some selected synthetic procedures which have paved the way for its development.

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JF - Physical Chemistry Chemical Physics

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Dihydroazulene: from controlling photochromism to molecular electronics devices

Abstract

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