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One, Two Three :
One, Two Three : Phosphaalkene Decoration Tailoring Solubility and Electronic Properties of Truxene-Based Electron Acceptors
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- Shameem, Muhammad Anwar (author)
- Uppsala universitet,Syntetisk molekylär kemi
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- Wells, Jordann A. L. (author)
- Uppsala universitet,Syntetisk molekylär kemi
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- Gupta, Arvind Kumar (author)
- Uppsala universitet,Syntetisk molekylär kemi
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- Orthaber, Andreas, 1979- (author)
- Uppsala universitet,Syntetisk molekylär kemi
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(creator_code:org_t)
- 2023-03-27
- 2023
- English.
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In: Chemistry - A European Journal. - : John Wiley & Sons. - 0947-6539 .- 1521-3765. ; 29:32
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Abstract
Subject headings
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- We report the functionalization and deplanarization of truxenes using pnictaalkene fragments. Selective introduction of one, two, or three Mes*-Pn fragments provides up to three fully reversible reductions based on the Pn=C fragments. The incorporation of the unsaturated heteroelement fragment as well as the contortion of the truxene core result in significantly red-shifted absorption spectra and interesting opto-electronic properties which are studied by electrochemistry and spectro-electrochemistry. Incorporation of arsaalkene (As=C) motifs gives significantly milder reduction potentials and red-shifted absorption, while phosphaalkene decorated truxene P3 can be functionalized using Au(I)Cl coordination. Furthermore, solubility is markedly increased upon incorporation of the Pn-Mes* fragments which renders these materials suitable for solution processing.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Keyword
- arsaalkene
- contorted aromatics
- organic radical
- phosphaalkene pi-conjugation
Publication and Content Type
- ref (subject category)
- art (subject category)
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