ol6b02991_si_004.cif (1.28 MB)
Synthesis and Electrical Properties of Derivatives of 1,4-bis(trialkylsilylethynyl)benzo[2,3‑b:5,6‑b′]diindolizines
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posted on 2016-11-15, 20:05 authored by Devin
B. Granger, Yaochuan Mei, Karl J. Thorley, Sean R. Parkin, Oana D. Jurchescu, John E. AnthonyA new
class of nitrogen-containing arene organic semiconductors
incorporating fused indolizine units is described. This system, though
having a zigzag shape, mimics the electronic properties of its linear
analogue pentacene as a result of nitrogen lone pair incorporation
into the π-electron system. Solubilizing trialkylsilylethynyl
groups were employed to target crystal packing motifs appropriate
for field-effect transistor devices. The triethylsilylethynyl derivative
yielded hole mobilities of 0.1 cm2 V–1 s–1 and on/off current ratios of 105.
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target crystalmotifcmpair incorporation0.1analogue pentaceneDerivativefield-effect transistor devicessemiconductorSolubilizing trialkylsilylethynyl groupsSynthesihole mobilitiesnitrogen-containing arenezigzag shapeπ- electron systemtriethylsilylethynylmimicindolizine unitsdiindolizineElectrical Properties10 5
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