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2013•Physical Chemistry Chemical PhysicsRequires access

Photoconductive properties of a π-conjugated α-cyclodextrin containing [2]rotaxane and its corresponding molecular dumbbell

Ioanna Deligkiozi, Raffaello Papadakis, Athanase Tsolomitis

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Abstract

The photoconductive properties of an azo-containing [2]rotaxane, bearing a π-conjugated axial part and its corresponding dumbbell compound are investigated. Structural effects on the observed photoconductive behavior in both cases are discussed. The photoresponsive behavior of the title [2]rotaxane was proved to be more intense than that of its analogue lacking the α-cyclodextrin (α-CyD) macrocycle. A mechanism of the photoinduced charge transport in both cases is proposed.

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What this paper is about

The photoconductive properties of an azo-containing [2]rotaxane, bearing a π-conjugated axial part and its corresponding dumbbell compound are investigated. Structural effects on the observed photoconductive behavior in both cases are discussed. The photoresponsive behavior of the title [2]rotaxane was proved to be more intense than that of its analogue lacking the α-cyclodextrin (α-CyD) macrocycle. A mechanism of the photoinduced charge transport in both cases is proposed.

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Available abstract

The photoconductive properties of an azo-containing [2]rotaxane, bearing a π-conjugated axial part and its corresponding dumbbell compound are investigated. Structural effects on the observed photoconductive behavior in both cases are discussed. The photoresponsive behavior of the title [2]rotaxane was proved to be more intense than that of its analogue lacking the α-cyclodextrin (α-CyD) macrocycle. A mechanism of the photoinduced charge transport in both cases is proposed.

Key concepts: Rotaxane, Dumbbell, Photoconductivity, Conjugated system, Cyclodextrin, Chemistry, Photochemistry, Materials science

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