Please use this identifier to cite or link to this item: https://doi.org/10.1002/chem.200902675
Title: A cruciform 6, 6′-dipentacenyl: Synthesis, solid-state packing and applications in thin-film transistors
Authors: Zhang, X. 
Jiang, X.
Luo, J. 
Chi, C. 
Chen, H.
Wu, J. 
Keywords: Charge transfer
Field-effect transistors
Oligoacenes
Pi interactions
Semiconductors
Issue Date: 11-Jan-2010
Citation: Zhang, X., Jiang, X., Luo, J., Chi, C., Chen, H., Wu, J. (2010-01-11). A cruciform 6, 6′-dipentacenyl: Synthesis, solid-state packing and applications in thin-film transistors. Chemistry - A European Journal 16 (2) : 464-468. ScholarBank@NUS Repository. https://doi.org/10.1002/chem.200902675
Abstract: A novel molecular design concept 6,6'-linked pentacene dimer, 13,13'-bis(triisopropylsilylethynyl)-6,6'-dipentacenyl (Dips-TIPS) for high-performance organic semiconductors by using cruciform molecules as potential 2D isotropic charge transporting materials was reported. Dip-TIPS, exhibits the desired two-directional isotropic face-to-face π stacking, and FET mobilities of up to 0.11 cm2V-1s-1 were obtained based on vapor-deposited thin films. Dip-TIPS have good solubility in normal organic solvents, such as chloroform and THF. The absorption spectrum of Dip-TIPS in thin film displays an obvious bathochromic shift, which suggests that the molecules adopt a π-aggregated form in the solid state. The electrochemical properties of Dip-TIPS were investigated in CH 2Cl2, by using cyclic voltammetry. Differential scanning calorimetry (DSC) measurement of Dip-TIPS did not show any transitions below 350°C.
Source Title: Chemistry - A European Journal
URI: http://scholarbank.nus.edu.sg/handle/10635/92932
ISSN: 09476539
DOI: 10.1002/chem.200902675
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