Chmel, Nikola Paul, Clarkson, Guy J., Troisi, Alessandro, Turner, S. S. and Scott, Peter (2011) Chiral semiconductor phases : the optically pure D3[MIII(S,S-EDDS)]2(D = TTF, TSF) family. Inorganic Chemistry, Vol.50 (No.9). pp. 4039-4046. doi:10.1021/ic102522k

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Abstract

A new family of optically pure tetrathiafulvalenium and tetraselenafulvalenium salts, D3[MIII(S,S-EDDS)]2·nH2O (where D = TTF, TSF; M = Co, Fe, Cr; EDDS = ethylenediaminedisuccinato), were synthesized electrochemically. These phases are semiconductors with conductivities between 6.9 × 10−6 and 1.3 × 10−5 S·cm−1 (Eaca. 0.3 eV) for TTF and 2.8 × 10−4 to 2.8 × 10−5 S·cm−1 (Eaca. 0.1 eV) for TSF compounds. While some crystals suffer from twinning, other well resolved structures consist of TTF/TSF stacks which, under the influence of the chiral anion, exhibit a periodic undulation described by an elliptical helix. The crystallographic data, along with computational work, indicate charge localization in the semiconducting motifs.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics Q Science > QD Chemistry Q Science > QP Physiology
Divisions:	Faculty of Science > Chemistry
Library of Congress Subject Headings (LCSH):	Semiconductors, Chirality, Charge transfer, Tetrathiafulvalene
Journal or Publication Title:	Inorganic Chemistry
Publisher:	American Chemical Society
ISSN:	0020-1669
Official Date:	2011
Dates:	Date Event 2011 Published
Volume:	Vol.50
Number:	No.9
Page Range:	pp. 4039-4046
DOI:	10.1021/ic102522k
Status:	Peer Reviewed
Publication Status:	Published
Funder:	Engineering and Physical Sciences Research Council (EPSRC)

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