Paper
30 August 2005 Synthesis, optical, thermal, and redox properties of 2,3,9,10-tetrasubstituted- 6,13- dialkynylpentacenes
John E. Anthony, Christopher R. Swartz, Chad A. Landis, Sean R. Parkin
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Abstract
A series of 2,3,9,10-tetrasubstituted-6,13-dialkynylpentacenes was synthesized and their properties evaluated. Various alkynes with different substituents were chosen to explore the effects of substitution on acene properties. The addition of alkyl groups to the pentacene 2,3,9,10-positions showed significant effects on the absorption, emission, and redox properties versus the non-alkylated (R = H) materials. The acenes exhibited excellent solubility in numerous solvents, and HOMO energy levels matched well with the work function of gold, an important electrode material. Crystallographic characterization of the methoxymethylene derivative showed it to adopt a 1-dimensional π-stacked arrangement, with good overlap of the aromatic faces.
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John E. Anthony, Christopher R. Swartz, Chad A. Landis, and Sean R. Parkin "Synthesis, optical, thermal, and redox properties of 2,3,9,10-tetrasubstituted- 6,13- dialkynylpentacenes", Proc. SPIE 5940, Organic Field-Effect Transistors IV, 594002 (30 August 2005); https://doi.org/10.1117/12.615939
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KEYWORDS
Absorption

Oxidation

Crystals

Organic light emitting diodes

Solar energy

Molecules

Thermography

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