Fused electron donor-acceptor compounds and some aspects of their molecular and solid-state properties

Decurtins Silvio; Liu Shi-Xia; Geng Y.; Hauser J; Macchi P.

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DECURTINS, Silvio, LIU, Shi-Xia, GENG, Y., HAUSER, J, MACCHI, P.. Fused electron donor-acceptor compounds and some aspects of their molecular and solid-state properties. In: Materials Science and Condensed Matter Physics, Ed. 7, 16-19 septembrie 2014, Chișinău. Chișinău, Republica Moldova: Institutul de Fizică Aplicată, 2014, Editia 7, p. 38.

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Materials Science and Condensed Matter Physics
Editia 7, 2014

Conferința "Materials Science and Condensed Matter Physics"
7, Chișinău, Moldova, 16-19 septembrie 2014

Fused electron donor-acceptor compounds and some aspects of their molecular and solid-state properties

Pag. 38-38

Decurtins Silvio, Liu Shi-Xia, Geng Y., Hauser J, Macchi P.

University of Bern

Disponibil în IBN: 23 februarie 2019

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Compactly fused electron donor-acceptor (D-A) compounds, as exemplified with the tetrathiafulvalene (TTF) – benzothiadiazole (BTD) compound (1) and shown in Figure 1, constitute a class of redox-active materials with intriguing solid-state properties.[1] Combining D and A units in a planar π-conjugated molecular backbone is a promising strategy for obtaining a pronounced electrochemical amphotericity and strong photoinduced intramolecular charge-transfer (CT) transitions. Controlled chemical oxidation can induce the crystallization of fully or partially oxidized CT salts which may exhibit π-stacks, hence one-dimensional spin systems, with closely bound acceptor units along each of these strands (Figure 2). In case of compound 1, it results in a crystalline organic semiconductor exhibiting a room temperature conductivity of around 2 S cm-1. On the scale of a single D-A molecule, the detailed charge distribution can be investigated by different scanning probe methods.[2]

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