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Product Code M241
Price £165.00

General Information

Full name 1,4,8,11-tetramethyl-6,13-triethylsilylethynyl pentacene
Synonyms TMTES-pentacene
CAS number n/a
Molecular formula C42H50Si2
Molecular weight 611.017 g/mol
Appearance Black crystalline solid
Solvents Anisole, butylbenzene, chlorobenzene, chloroform, dichlorobenzene, tetrahydrofuran, toluene, xylene
Recommended solvent Toluene
Recommended concentration 10 mg/ml (drop cast / spin cast)
TMTES pentacene chemical structure
Chemical structure of TMTES-pentacene. Chemical formula C42H50Si2.



1,4,8,11-tetramethyl-6,13-triethylsilylethynyl pentacene also known as TMTES-Pentacene. It is a soluble derivative of Pentacene [1], achieving mobilities of up to 4.34 cm2/Vs. TMTES-Pentacene is an ideal small-molecule semiconductor for both device fabrication and investigating the charge transport of solution-processed crystal semiconductor [4]. Mobilities of 3.5 cm2/Vs have been measured when spin coated using CYTOP© as the gate dielectric [2], and mobilities of up to 4.34  cm2/Vs have been achieved when used with high-permittivity polymer binders [3].



1H-NMR trace for TMTES pentacene
TMTES-Pentacene NMR trace.



(Please note that Ossila has no formal connection to any other authors or institutions in these references):

[1] High performance, acene-based organic thin film transistors. Gonzalo R Llorente et al., Chem. Commun., p3059-3061 (2009)

[2] Charge-transport physics of high-mobility molecular semiconductors. H Sirringhaus et al., Status Solidi B., V 9, 1655-1676 (2012)

[3] High Performance Organic Transistors Using Small Molecule Semiconductors and High Permittivity Semiconducting Polymers. Keri L McCall et al., Advanced Functional Materials, V 17, Issue 17, p3421-3434 (2007)

[4] Hall-Effect Measurements Probing the Degree of Charge-Carrier Delocalization in Solution-Processed Crystalline Molecular Semiconductors. Jui-Fen Chang et al., PhysRe Lett, V 107, 066601 (2011)


To the best of our knowledge the technical information provided here is accurate. However, Ossila assume no liability for the accuracy of this information. The values provided here are typical at the time of manufacture and may vary over time and from batch to batch.